diff options
Diffstat (limited to 'REORG.TODO/sysdeps/microblaze')
46 files changed, 2734 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/microblaze/Implies b/REORG.TODO/sysdeps/microblaze/Implies new file mode 100644 index 0000000000..73c766c52e --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/Implies @@ -0,0 +1,4 @@ +wordsize-32 +# MicroBlaze uses IEEE 754 floating point. +ieee754/flt-32 +ieee754/dbl-64 diff --git a/REORG.TODO/sysdeps/microblaze/Makefile b/REORG.TODO/sysdeps/microblaze/Makefile new file mode 100644 index 0000000000..f7c95ae115 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/Makefile @@ -0,0 +1,11 @@ +ifeq ($(subdir),elf) +CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused +endif + +ifeq ($(subdir),gmon) +sysdep_routines += _mcount +endif + +ifeq ($(subdir),resource) +sysdep_routines += backtrace_linux +endif diff --git a/REORG.TODO/sysdeps/microblaze/__longjmp.S b/REORG.TODO/sysdeps/microblaze/__longjmp.S new file mode 100644 index 0000000000..cefe6d35b0 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/__longjmp.S @@ -0,0 +1,55 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +/* Jump to the position specified by ENV, causing the + setjmp call there to return VAL, or 1 if VAL is 0. */ + +/* void __longjmp (__jmp_buf env, int val) */ + +ENTRY(__longjmp) + lwi r1,r5,0 + lwi r2,r5,4 + lwi r13,r5,8 + lwi r14,r5,12 + lwi r15,r5,16 + lwi r16,r5,20 + lwi r17,r5,24 + lwi r18,r5,28 + lwi r19,r5,32 + lwi r20,r5,36 + lwi r21,r5,40 + lwi r22,r5,44 + lwi r23,r5,48 + lwi r24,r5,52 + lwi r25,r5,56 + lwi r26,r5,60 + lwi r27,r5,64 + lwi r28,r5,68 + lwi r29,r5,72 + lwi r30,r5,76 + lwi r31,r5,80 + addk r3,r6,r0 + beqi r3,L(return_1) + rtsd r15,8 + nop +L(return_1): + rtsd r15,8 + addik r3,r0,1 /* delay slot. */ +END(__longjmp) diff --git a/REORG.TODO/sysdeps/microblaze/_mcount.S b/REORG.TODO/sysdeps/microblaze/_mcount.S new file mode 100644 index 0000000000..502d966640 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/_mcount.S @@ -0,0 +1,91 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + + .global _mcount + .type _mcount, @function +_mcount: + # Save regs. + addik r1, r1,-4 * 24 + swi r31, r1, 4 * 23 + swi r30, r1, 4 * 22 + swi r29, r1, 4 * 21 + swi r28, r1, 4 * 20 + swi r27, r1, 4 * 19 + swi r26, r1, 4 * 18 + swi r25, r1, 4 * 17 + swi r24, r1, 4 * 16 + swi r23, r1, 4 * 15 + swi r22, r1, 4 * 14 + swi r21, r1, 4 * 13 + swi r20, r1, 4 * 12 + swi r19, r1, 4 * 11 + swi r15, r1, 4 * 10 + swi r12, r1, 4 * 9 + swi r11, r1, 4 * 8 + swi r10, r1, 4 * 7 + swi r8, r1, 4 * 6 + swi r7, r1, 4 * 5 + swi r6, r1, 4 * 4 + swi r5, r1, 4 * 3 + swi r4, r1, 4 * 2 + swi r3, r1, 4 * 1 + swi r2, r1, 4 * 0 + +#ifdef SHARED + mfs r20,rpc + addik r20,r20,_GLOBAL_OFFSET_TABLE_+8 + addk r6, r0, r15 # callee is in r15. + brlid r15, __mcount_internal@PLT + lwi r5, r1, 4 * 24 # caller is on the stack. +#else + # Pass from/to in r5 and r6. + addk r6, r0, r15 # callee is in r15. + bralid r15, __mcount_internal + lwi r5, r1, 4 * 24 # caller is on the stack. +#endif + + # Reload regs + lwi r31, r1, 4 * 23 + lwi r30, r1, 4 * 22 + lwi r29, r1, 4 * 21 + lwi r28, r1, 4 * 20 + lwi r27, r1, 4 * 19 + lwi r26, r1, 4 * 18 + lwi r25, r1, 4 * 17 + lwi r24, r1, 4 * 16 + lwi r23, r1, 4 * 15 + lwi r22, r1, 4 * 14 + lwi r21, r1, 4 * 13 + lwi r20, r1, 4 * 12 + lwi r19, r1, 4 * 11 + lwi r15, r1, 4 * 10 + lwi r12, r1, 4 * 9 + lwi r11, r1, 4 * 8 + lwi r10, r1, 4 * 7 + lwi r8, r1, 4 * 6 + lwi r7, r1, 4 * 5 + lwi r6, r1, 4 * 4 + lwi r5, r1, 4 * 3 + lwi r4, r1, 4 * 2 + lwi r3, r1, 4 * 1 + lwi r2, r1, 4 * 0 + + rtsd r15, 8 + addik r1, r1, 4 * 24 + + .size _mcount, . - _mcount diff --git a/REORG.TODO/sysdeps/microblaze/abort-instr.h b/REORG.TODO/sysdeps/microblaze/abort-instr.h new file mode 100644 index 0000000000..38469d490a --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/abort-instr.h @@ -0,0 +1,2 @@ +/* An instruction which should crash any program is `illegal'. */ +#define ABORT_INSTRUCTION asm ("brki r0, -1") diff --git a/REORG.TODO/sysdeps/microblaze/asm-syntax.h b/REORG.TODO/sysdeps/microblaze/asm-syntax.h new file mode 100644 index 0000000000..be54a0962f --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/asm-syntax.h @@ -0,0 +1,24 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#undef ALIGN +#define ALIGN(log) .align 1<<log + +#define R_(r) %##r +#define R(r) R_(r) +#define L(label) .##label diff --git a/REORG.TODO/sysdeps/microblaze/atomic-machine.h b/REORG.TODO/sysdeps/microblaze/atomic-machine.h new file mode 100644 index 0000000000..d73c69d46b --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/atomic-machine.h @@ -0,0 +1,269 @@ +/* Copyright (C) 2003-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdint.h> +#include <sysdep.h> + + +typedef int8_t atomic8_t; +typedef uint8_t uatomic8_t; +typedef int_fast8_t atomic_fast8_t; +typedef uint_fast8_t uatomic_fast8_t; + +typedef int32_t atomic32_t; +typedef uint32_t uatomic32_t; +typedef int_fast32_t atomic_fast32_t; +typedef uint_fast32_t uatomic_fast32_t; + +typedef intptr_t atomicptr_t; +typedef uintptr_t uatomicptr_t; +typedef intmax_t atomic_max_t; +typedef uintmax_t uatomic_max_t; + +#define __HAVE_64B_ATOMICS 0 +#define USE_ATOMIC_COMPILER_BUILTINS 0 + +/* XXX Is this actually correct? */ +#define ATOMIC_EXCHANGE_USES_CAS 1 + + +/* Microblaze does not have byte and halfword forms of load and reserve and + store conditional. So for microblaze we stub out the 8- and 16-bit forms. */ +#define __arch_compare_and_exchange_bool_8_acq(mem, newval, oldval) \ + (abort (), 0) + +#define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \ + (abort (), 0) + +#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ + ({ \ + __typeof (*(mem)) __tmp; \ + __typeof (mem) __memp = (mem); \ + int test; \ + __asm __volatile ( \ + " addc r0, r0, r0;" \ + "1: lwx %0, %3, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + " cmp %1, %0, %4;" \ + " bnei %1, 2f;" \ + " swx %5, %3, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + "2:" \ + : "=&r" (__tmp), \ + "=&r" (test), \ + "=m" (*__memp) \ + : "r" (__memp), \ + "r" (oldval), \ + "r" (newval) \ + : "cc", "memory"); \ + __tmp; \ + }) + +#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ + (abort (), (__typeof (*mem)) 0) + +#define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*mem) == 4) \ + __result = __arch_compare_and_exchange_val_32_acq (mem, newval, oldval); \ + else if (sizeof (*mem) == 8) \ + __result = __arch_compare_and_exchange_val_64_acq (mem, newval, oldval); \ + else \ + abort (); \ + __result; \ + }) + +#define atomic_compare_and_exchange_val_rel(mem, newval, oldval) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*mem) == 4) \ + __result = __arch_compare_and_exchange_val_32_acq (mem, newval, oldval); \ + else if (sizeof (*mem) == 8) \ + __result = __arch_compare_and_exchange_val_64_acq (mem, newval, oldval); \ + else \ + abort (); \ + __result; \ + }) + +#define __arch_atomic_exchange_32_acq(mem, value) \ + ({ \ + __typeof (*(mem)) __tmp; \ + __typeof (mem) __memp = (mem); \ + int test; \ + __asm __volatile ( \ + " addc r0, r0, r0;" \ + "1: lwx %0, %4, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + " swx %3, %4, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + : "=&r" (__tmp), \ + "=&r" (test), \ + "=m" (*__memp) \ + : "r" (value), \ + "r" (__memp) \ + : "cc", "memory"); \ + __tmp; \ + }) + +#define __arch_atomic_exchange_64_acq(mem, newval) \ + (abort (), (__typeof (*mem)) 0) + +#define atomic_exchange_acq(mem, value) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*mem) == 4) \ + __result = __arch_atomic_exchange_32_acq (mem, value); \ + else if (sizeof (*mem) == 8) \ + __result = __arch_atomic_exchange_64_acq (mem, value); \ + else \ + abort (); \ + __result; \ + }) + +#define atomic_exchange_rel(mem, value) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*mem) == 4) \ + __result = __arch_atomic_exchange_32_acq (mem, value); \ + else if (sizeof (*mem) == 8) \ + __result = __arch_atomic_exchange_64_acq (mem, value); \ + else \ + abort (); \ + __result; \ + }) + +#define __arch_atomic_exchange_and_add_32(mem, value) \ + ({ \ + __typeof (*(mem)) __tmp; \ + __typeof (mem) __memp = (mem); \ + int test; \ + __asm __volatile ( \ + " addc r0, r0, r0;" \ + "1: lwx %0, %4, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + " add %1, %3, %0;" \ + " swx %1, %4, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + : "=&r" (__tmp), \ + "=&r" (test), \ + "=m" (*__memp) \ + : "r" (value), \ + "r" (__memp) \ + : "cc", "memory"); \ + __tmp; \ + }) + +#define __arch_atomic_exchange_and_add_64(mem, value) \ + (abort (), (__typeof (*mem)) 0) + +#define atomic_exchange_and_add(mem, value) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*mem) == 4) \ + __result = __arch_atomic_exchange_and_add_32 (mem, value); \ + else if (sizeof (*mem) == 8) \ + __result = __arch_atomic_exchange_and_add_64 (mem, value); \ + else \ + abort (); \ + __result; \ + }) + +#define __arch_atomic_increment_val_32(mem) \ + ({ \ + __typeof (*(mem)) __val; \ + int test; \ + __asm __volatile ( \ + " addc r0, r0, r0;" \ + "1: lwx %0, %3, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + " addi %0, %0, 1;" \ + " swx %0, %3, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + : "=&r" (__val), \ + "=&r" (test), \ + "=m" (*mem) \ + : "r" (mem), \ + "m" (*mem) \ + : "cc", "memory"); \ + __val; \ + }) + +#define __arch_atomic_increment_val_64(mem) \ + (abort (), (__typeof (*mem)) 0) + +#define atomic_increment_val(mem) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*(mem)) == 4) \ + __result = __arch_atomic_increment_val_32 (mem); \ + else if (sizeof (*(mem)) == 8) \ + __result = __arch_atomic_increment_val_64 (mem); \ + else \ + abort (); \ + __result; \ + }) + +#define atomic_increment(mem) ({ atomic_increment_val (mem); (void) 0; }) + +#define __arch_atomic_decrement_val_32(mem) \ + ({ \ + __typeof (*(mem)) __val; \ + int test; \ + __asm __volatile ( \ + " addc r0, r0, r0;" \ + "1: lwx %0, %3, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + " rsubi %0, %0, 1;" \ + " swx %0, %3, r0;" \ + " addic %1, r0, 0;" \ + " bnei %1, 1b;" \ + : "=&r" (__val), \ + "=&r" (test), \ + "=m" (*mem) \ + : "r" (mem), \ + "m" (*mem) \ + : "cc", "memory"); \ + __val; \ + }) + +#define __arch_atomic_decrement_val_64(mem) \ + (abort (), (__typeof (*mem)) 0) + +#define atomic_decrement_val(mem) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*(mem)) == 4) \ + __result = __arch_atomic_decrement_val_32 (mem); \ + else if (sizeof (*(mem)) == 8) \ + __result = __arch_atomic_decrement_val_64 (mem); \ + else \ + abort (); \ + __result; \ + }) + +#define atomic_decrement(mem) ({ atomic_decrement_val (mem); (void) 0; }) diff --git a/REORG.TODO/sysdeps/microblaze/backtrace.c b/REORG.TODO/sysdeps/microblaze/backtrace.c new file mode 100644 index 0000000000..7cc28ff146 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/backtrace.c @@ -0,0 +1,142 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdio.h> +#include <string.h> +#include <sysdep.h> +#include <signal.h> +#include <execinfo.h> + +extern int +_identify_sighandler (unsigned long fp, unsigned long pc, + unsigned long *pprev_fp, unsigned long *pprev_pc, + unsigned long *retaddr); + +static inline long +get_frame_size (unsigned long instr) +{ + return abs ((short signed) (instr & 0xFFFF)); +} + +static unsigned long * +find_frame_creation (unsigned long *pc) +{ + int i; + + /* NOTE: Distance to search is arbitrary. + 250 works well for most things, + 750 picks up things like tcp_recvmsg, + 1000 needed for fat_fill_super. */ + for (i = 0; i < 1000; i++, pc--) + { + unsigned long instr; + unsigned long frame_size; + + instr = *pc; + + /* Is the instruction of the form + addik r1, r1, foo ? */ + if ((instr & 0xFFFF0000) != 0x30210000) + continue; + + frame_size = get_frame_size (instr); + + if ((frame_size < 8) || (frame_size & 3)) + return NULL; + + return pc; + } + return NULL; +} + +static int +lookup_prev_stack_frame (unsigned long fp, unsigned long pc, + unsigned long *pprev_fp, unsigned long *pprev_pc, + unsigned long *retaddr) +{ + unsigned long *prologue = NULL; + + int is_signalhandler = _identify_sighandler (fp, pc, pprev_fp, + pprev_pc, retaddr); + + if (!is_signalhandler) + { + prologue = find_frame_creation ((unsigned long *) pc); + + if (prologue) + { + long frame_size = get_frame_size (*prologue); + *pprev_fp = fp + frame_size; + if (*retaddr != 0) + *pprev_pc = *retaddr; + else + *pprev_pc = *(unsigned long *) fp; + + *retaddr = 0; + if (!*pprev_pc || (*pprev_pc & 3)) + prologue=0; + } + else + { + *pprev_pc = 0; + *pprev_fp = fp; + *retaddr = 0; + } + } + return (!*pprev_pc || (*pprev_pc & 3)) ? -1 : 0; +} + +int +__backtrace (void **array, int size) +{ + unsigned long pc, fp; + unsigned long ppc, pfp; + /* Return address(r15) is required in the signal handler case, since the + return address of the function which causes the signal may not be + recorded in the stack. */ + unsigned long retaddr; + + int count; + int rc = 0; + + if (size <= 0) + return 0; + + __asm__ __volatile__ ("mfs %0, rpc" + : "=r"(pc)); + + __asm__ __volatile__ ("add %0, r1, r0" + : "=r"(fp)); + + array[0] = (void *) pc; + retaddr = 0; + for (count = 1; count < size; count++) + { + rc = lookup_prev_stack_frame (fp, pc, &pfp, &ppc, &retaddr); + + fp = pfp; + pc = ppc; + array[count] = (void *) pc; + if (rc) + return count; + } + return count; +} + +weak_alias (__backtrace, backtrace) +libc_hidden_def (__backtrace) diff --git a/REORG.TODO/sysdeps/microblaze/backtrace_linux.c b/REORG.TODO/sysdeps/microblaze/backtrace_linux.c new file mode 100644 index 0000000000..2fe3c5cb30 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/backtrace_linux.c @@ -0,0 +1,59 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stddef.h> +#include <asm/sigcontext.h> +#include <linux/signal.h> +#include <asm-generic/ucontext.h> +#include <asm/unistd.h> + +int +_identify_sighandler (unsigned long fp, unsigned long pc, + unsigned long *pprev_fp, unsigned long *pprev_pc, + unsigned long *retaddr) +{ + unsigned long *tramp = 0; + struct ucontext *uc; + + if (*retaddr == 0) + { + /* Kernel inserts the tramp between the signal handler frame and the + caller frame in signal handling. */ + tramp = (unsigned long *) pc; + tramp += 2; + if ((*tramp == (0x31800000 | __NR_rt_sigreturn)) + && (*(tramp+1) == 0xb9cc0008)) + { + /* Signal handler function argument are: + int sig_num, siginfo_t * info, void * ucontext + therefore ucontext is the 3rd argument. */ + unsigned long ucptr = ((unsigned long) tramp + - sizeof (struct ucontext)); + uc = (struct ucontext *) ucptr; + *pprev_pc = uc->uc_mcontext.regs.pc; + /* Need to record the return address since the return address of the + function which causes this signal may not be recorded in the + stack. */ + *pprev_fp = uc->uc_mcontext.regs.r1; + *retaddr = uc->uc_mcontext.regs.r15; + /* It is a signal handler. */ + return 1; + } + } + return 0; +} diff --git a/REORG.TODO/sysdeps/microblaze/bits/endian.h b/REORG.TODO/sysdeps/microblaze/bits/endian.h new file mode 100644 index 0000000000..fff19505b6 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/bits/endian.h @@ -0,0 +1,30 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _ENDIAN_H +# error "Never use <bits/endian.h> directly; include <endian.h> instead." +#endif + +/* MicroBlaze can be either big or little endian. */ +#ifdef _BIG_ENDIAN +# define __BYTE_ORDER __BIG_ENDIAN +# define __FLOAT_WORD_ORDER __BIG_ENDIAN +#else +# define __BYTE_ORDER __LITTLE_ENDIAN +# define __FLOAT_WORD_ORDER __LITTLE_ENDIAN +#endif diff --git a/REORG.TODO/sysdeps/microblaze/bits/fenv.h b/REORG.TODO/sysdeps/microblaze/bits/fenv.h new file mode 100644 index 0000000000..7ee3251c1b --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/bits/fenv.h @@ -0,0 +1,50 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + +/* MicroBlaze supports only round-to-nearest. The software + floating-point support also acts this way. */ +enum + { + __FE_UNDEFINED = 0, + + FE_TONEAREST = +#define FE_TONEAREST 0x1 + FE_TONEAREST, + }; + +#define FE_ALL_EXCEPT 0 + +/* Type representing exception flags (if there were any). */ +typedef unsigned int fexcept_t; + +/* Type representing floating-point environment. */ +typedef unsigned int fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((const fenv_t *) -1l) + +#if __GLIBC_USE (IEC_60559_BFP_EXT) +/* Type representing floating-point control modes. */ +typedef unsigned int femode_t; + +/* Default floating-point control modes. */ +# define FE_DFL_MODE ((const femode_t *) -1L) +#endif diff --git a/REORG.TODO/sysdeps/microblaze/bits/link.h b/REORG.TODO/sysdeps/microblaze/bits/link.h new file mode 100644 index 0000000000..2e1f06b6b3 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/bits/link.h @@ -0,0 +1,57 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _LINK_H +# error "Never include <bits/link.h> directly; use <link.h> instead." +#endif + +/* Registers for entry into PLT on Microblaze. */ +typedef struct La_microblaze_regs +{ + uint32_t lr_r0; + uint32_t lr_r1; + uint32_t lr_sp; +} La_microblaze_regs; + +/* Return values for calls from PLT on Microblaze. */ +typedef struct La_microblaze_retval +{ + uint32_t lrv_r3; +} La_microblaze_retval; + + +__BEGIN_DECLS + +extern Elf32_Addr la_microblaze_gnu_pltenter (Elf32_Sym *__sym, + unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + La_microblaze_regs *__regs, + unsigned int *__flags, + const char *__symname, + long int *__framesizep); + +extern unsigned int la_microblaze_gnu_pltexit (Elf32_Sym *__sym, + unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + const La_microblaze_regs *__inregs, + La_microblaze_retval *__outregs, + const char *__symname); + +__END_DECLS diff --git a/REORG.TODO/sysdeps/microblaze/bits/setjmp.h b/REORG.TODO/sysdeps/microblaze/bits/setjmp.h new file mode 100644 index 0000000000..fd175dac2b --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/bits/setjmp.h @@ -0,0 +1,37 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* Define the machine-dependent type `jmp_buf'. */ + +#ifndef _BITS_SETJMP_H +# define _BITS_SETJMP_H 1 + +#if !defined _SETJMP_H && !defined _PTHREAD_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +typedef struct __jmp_buf_internal_tag + { + /* There are 21 4-byte registers that should be saved: + r1, r2, r13-r31. Actually, there seems no need to save + r14, r16, r17, r18 (return addresses for interrupt/exception/trap). */ + int *__sp; /* dedicated name for r1. */ + long int __gregs[20]; + } __jmp_buf[1]; + +#endif diff --git a/REORG.TODO/sysdeps/microblaze/bsd-_setjmp.S b/REORG.TODO/sysdeps/microblaze/bsd-_setjmp.S new file mode 100644 index 0000000000..75dff29bfe --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/bsd-_setjmp.S @@ -0,0 +1,22 @@ +/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#define setjmp_name _setjmp +#define SAVEMASK 0 + +#include <setjmp.S> diff --git a/REORG.TODO/sysdeps/microblaze/bsd-setjmp.S b/REORG.TODO/sysdeps/microblaze/bsd-setjmp.S new file mode 100644 index 0000000000..66456749cd --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/bsd-setjmp.S @@ -0,0 +1,22 @@ +/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. + Copyright (C) 1995-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#define setjmp_name setjmp +#define SAVEMASK 1 + +#include <setjmp.S> diff --git a/REORG.TODO/sysdeps/microblaze/crti.S b/REORG.TODO/sysdeps/microblaze/crti.S new file mode 100644 index 0000000000..2affed2aed --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/crti.S @@ -0,0 +1,88 @@ +/* Special .init and .fini section support for MicroBlaze. + Copyright (C) 2012-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* crti.S puts a function prologue at the beginning of the .init and + .fini sections and defines global symbols for those addresses, so + they can be called as functions. The symbols _init and _fini are + magic and cause the linker to emit DT_INIT and DT_FINI. */ + +#include <libc-symbols.h> +#include <sysdep.h> + +#ifndef PREINIT_FUNCTION +# define PREINIT_FUNCTION __gmon_start__ +#endif + +#ifndef PREINIT_FUNCTION_WEAK +# define PREINIT_FUNCTION_WEAK 1 +#endif + +#if PREINIT_FUNCTION_WEAK + weak_extern (PREINIT_FUNCTION) +#else + .hidden PREINIT_FUNCTION +#endif + + .section .init,"ax",@progbits + .align 2 + .globl _init + .type _init, @function +_init: + addik r1,r1,-32 + swi r20,r1,28 + mfs r20,rpc + addik r20,r20,_GLOBAL_OFFSET_TABLE_+8 + lwi r3,r20,PREINIT_FUNCTION@GOT +#if PREINIT_FUNCTION_WEAK + beqid r3,$Lno_weak_fn: + swi r15,r1,0 + brlid r15,PREINIT_FUNCTION@PLT +$Lno_weak_fn: +#else + swi r15,r1,0 + brald r15,r3 +#endif + nop # Unfilled delay slot + + .section .fini,"ax",@progbits + .align 2 + .globl _fini + .type _fini, @function +_fini: + addik r1,r1,-32 + swi r20,r1,28 + swi r15,r1,0 + mfs r20,rpc + addik r20,r20,_GLOBAL_OFFSET_TABLE_+8 diff --git a/REORG.TODO/sysdeps/microblaze/crtn.S b/REORG.TODO/sysdeps/microblaze/crtn.S new file mode 100644 index 0000000000..4f2766a32f --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/crtn.S @@ -0,0 +1,51 @@ +/* Special .init and .fini section support for MicroBlaze. + Copyright (C) 1995-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* crtn.S puts function epilogues in the .init and .fini sections + corresponding to the prologues in crti.S. */ + +#include <sysdep.h> + + .section .init,"ax",@progbits + lwi r15,r1,0 + lwi r20,r1,28 + rtsd r15,8 + addik r1,r1,32 + + .section .fini,"ax",@progbits + lwi r15,r1,0 + lwi r20,r1,28 + rtsd r15,8 + addik r1,r1,32 diff --git a/REORG.TODO/sysdeps/microblaze/dl-machine.h b/REORG.TODO/sysdeps/microblaze/dl-machine.h new file mode 100644 index 0000000000..cc80b30868 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/dl-machine.h @@ -0,0 +1,299 @@ +/* Copyright (C) 1995-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef dl_machine_h +#define dl_machine_h + +#define ELF_MACHINE_NAME "microblaze" + +#include <sys/param.h> +#include <tls.h> + +/* Return nonzero iff ELF header is compatible with the running host. */ +static inline int +elf_machine_matches_host (const Elf32_Ehdr *ehdr) +{ + return (ehdr->e_machine == EM_MICROBLAZE); +} + +/* Return the link-time address of _DYNAMIC. Conveniently, this is the + first element of the GOT. This must be inlined in a function which + uses global data. */ +static inline Elf32_Addr +elf_machine_dynamic (void) +{ + /* This produces a GOTOFF reloc that resolves to zero at link time, so in + fact just loads from the GOT register directly. By doing it without + an asm we can let the compiler choose any register. */ + + Elf32_Addr got_entry_0; + __asm__ __volatile__( + "lwi %0,r20,0" + :"=r"(got_entry_0) + ); + return got_entry_0; +} + +/* Return the run-time load address of the shared object. */ +static inline Elf32_Addr +elf_machine_load_address (void) +{ + /* Compute the difference between the runtime address of _DYNAMIC as seen + by a GOTOFF reference, and the link-time address found in the special + unrelocated first GOT entry. */ + + Elf32_Addr dyn; + __asm__ __volatile__ ( + "addik %0,r20,_DYNAMIC@GOTOFF" + : "=r"(dyn) + ); + return dyn - elf_machine_dynamic (); +} + +/* Set up the loaded object described by L so its unrelocated PLT + entries will jump to the on-demand fixup code in dl-runtime.c. */ + +static inline int __attribute__ ((always_inline)) +elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) +{ + extern void _dl_runtime_resolve (Elf32_Word); + extern void _dl_runtime_profile (Elf32_Word); + + return lazy; +} + +/* The PLT uses Elf32_Rela relocs. */ +#define elf_machine_relplt elf_machine_rela + +/* Mask identifying addresses reserved for the user program, + where the dynamic linker should not map anything. */ +#define ELF_MACHINE_USER_ADDRESS_MASK 0x80000000UL + +/* Initial entry point code for the dynamic linker. + The C function `_dl_start' is the real entry point; + its return value is the user program's entry point. */ + +#define RTLD_START asm ("\ + .text\n\ + .globl _start\n\ + .type _start,@function\n\ +_start:\n\ + addk r5,r0,r1\n\ + addk r3,r0,r0\n\ +1:\n\ + addik r5,r5,4\n\ + lw r4,r5,r0\n\ + bneid r4,1b\n\ + addik r3,r3,1\n\ + addik r3,r3,-1\n\ + addk r5,r0,r1\n\ + sw r3,r5,r0\n\ + addik r1,r1,-24\n\ + sw r15,r1,r0\n\ + brlid r15,_dl_start\n\ + nop\n\ + /* FALLTHRU. */\n\ +\n\ + .globl _dl_start_user\n\ + .type _dl_start_user,@function\n\ +_dl_start_user:\n\ + mfs r20,rpc\n\ + addik r20,r20,_GLOBAL_OFFSET_TABLE_+8\n\ + lwi r4,r20,_dl_skip_args@GOTOFF\n\ + lwi r5,r1,24\n\ + rsubk r5,r4,r5\n\ + addk r4,r4,r4\n\ + addk r4,r4,r4\n\ + addk r1,r1,r4\n\ + swi r5,r1,24\n\ + swi r3,r1,20\n\ + addk r6,r5,r0\n\ + addk r5,r5,r5\n\ + addk r5,r5,r5\n\ + addik r7,r1,28\n\ + addk r8,r7,r5\n\ + addik r8,r8,4\n\ + lwi r5,r20,_rtld_local@GOTOFF\n\ + brlid r15,_dl_init\n\ + nop\n\ + lwi r5,r1,24\n\ + lwi r3,r1,20\n\ + addk r4,r5,r5\n\ + addk r4,r4,r4\n\ + addik r6,r1,28\n\ + addk r7,r6,r4\n\ + addik r7,r7,4\n\ + addik r15,r20,_dl_fini@GOTOFF\n\ + addik r15,r15,-8\n\ + brad r3\n\ + addik r1,r1,24\n\ + nop\n\ + .size _dl_start_user, . - _dl_start_user\n\ + .previous"); + +/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or + TLS variable, so undefined references should not be allowed to + define the value. + ELF_RTYPE_CLASS_COPY iff TYPE should not be allowed to resolve to one + of the main executable's symbols, as for a COPY reloc. */ +#ifndef RTLD_BOOTSTRAP +# define elf_machine_type_class(type) \ + (((type) == R_MICROBLAZE_JUMP_SLOT || \ + (type) == R_MICROBLAZE_TLSDTPREL32 || \ + (type) == R_MICROBLAZE_TLSDTPMOD32 || \ + (type) == R_MICROBLAZE_TLSTPREL32) \ + * ELF_RTYPE_CLASS_PLT \ + | ((type) == R_MICROBLAZE_COPY) * ELF_RTYPE_CLASS_COPY) +#else +# define elf_machine_type_class(type) \ + (((type) == R_MICROBLAZE_JUMP_SLOT) * ELF_RTYPE_CLASS_PLT \ + | ((type) == R_MICROBLAZE_COPY) * ELF_RTYPE_CLASS_COPY) +#endif + +/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */ +#define ELF_MACHINE_JMP_SLOT R_MICROBLAZE_JUMP_SLOT + +/* The microblaze never uses Elf32_Rel relocations. */ +#define ELF_MACHINE_NO_REL 1 +#define ELF_MACHINE_NO_RELA 0 + +static inline Elf32_Addr +elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const Elf32_Rela *reloc, + Elf32_Addr *reloc_addr, Elf32_Addr value) +{ + return *reloc_addr = value; +} + +/* Return the final value of a plt relocation. Ignore the addend. */ +static inline Elf32_Addr +elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc, + Elf32_Addr value) +{ + return value; +} + +#endif /* !dl_machine_h. */ + +/* Names of the architecture-specific auditing callback functions. */ +#define ARCH_LA_PLTENTER microblaze_gnu_pltenter +#define ARCH_LA_PLTEXIT microblaze_gnu_pltexit + +#ifdef RESOLVE_MAP + +/* Perform the relocation specified by RELOC and SYM (which is fully resolved). + MAP is the object containing the reloc. */ + +/* Macro to put 32-bit relocation value into 2 words. */ +#define PUT_REL_64(rel_addr,val) \ + do { \ + ((unsigned short *)(rel_addr))[1] = (val) >> 16; \ + ((unsigned short *)(rel_addr))[3] = (val) & 0xffff; \ + } while (0) + +auto inline void __attribute__ ((always_inline)) +elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, + const Elf32_Sym *sym, const struct r_found_version *version, + void *const reloc_addr_arg, int skip_ifunc) +{ + Elf32_Addr *const reloc_addr = reloc_addr_arg; + const int r_type = ELF32_R_TYPE (reloc->r_info); + + if (__builtin_expect (r_type == R_MICROBLAZE_64_PCREL, 0)) + PUT_REL_64 (reloc_addr, map->l_addr + reloc->r_addend); + else if (r_type == R_MICROBLAZE_REL) + *reloc_addr = map->l_addr + reloc->r_addend; + else + { + const Elf32_Sym *const refsym = sym; + struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type); + Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value; + + value += reloc->r_addend; + if (r_type == R_MICROBLAZE_GLOB_DAT || + r_type == R_MICROBLAZE_JUMP_SLOT || + r_type == R_MICROBLAZE_32) + { + *reloc_addr = value; + } + else if (r_type == R_MICROBLAZE_COPY) + { + if (sym != NULL && (sym->st_size > refsym->st_size + || (sym->st_size < refsym->st_size && GLRO (dl_verbose))) ) + { + const char *strtab; + + strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); + _dl_error_printf ("\ +%s: Symbol `%s' has different size in shared object, consider re-linking\n", + RTLD_PROGNAME, strtab + refsym->st_name); + } + memcpy (reloc_addr_arg, (void *) value, + MIN (sym->st_size, refsym->st_size)); + } + else if (r_type == R_MICROBLAZE_NONE) + { + } +#if !defined RTLD_BOOTSTRAP + else if (r_type == R_MICROBLAZE_TLSDTPMOD32) + { + if (sym_map != NULL) + *reloc_addr = sym_map->l_tls_modid; + } + else if (r_type == R_MICROBLAZE_TLSDTPREL32) + { + if (sym != NULL) + *reloc_addr = sym->st_value + reloc->r_addend; + } + else if (r_type == R_MICROBLAZE_TLSTPREL32) + { + if (sym != NULL) + { + CHECK_STATIC_TLS (map, sym_map); + *reloc_addr = sym->st_value + sym_map->l_tls_offset + reloc->r_addend; + } + } +#endif + else + { + _dl_reloc_bad_type (map, r_type, 0); + } + } +} + +auto inline void +elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc, + void *const reloc_addr_arg) +{ + Elf32_Addr *const reloc_addr = reloc_addr_arg; + PUT_REL_64 (reloc_addr, l_addr + reloc->r_addend); +} + +auto inline void +elf_machine_lazy_rel (struct link_map *map, + Elf32_Addr l_addr, const Elf32_Rela *reloc, + int skip_ifunc) +{ + Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset); + if (ELF32_R_TYPE (reloc->r_info) == R_MICROBLAZE_JUMP_SLOT) + *reloc_addr += l_addr; + else + _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1); +} + +#endif /* RESOLVE_MAP. */ diff --git a/REORG.TODO/sysdeps/microblaze/dl-tls.h b/REORG.TODO/sysdeps/microblaze/dl-tls.h new file mode 100644 index 0000000000..1ffe0abac2 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/dl-tls.h @@ -0,0 +1,26 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* Type used for the representation of TLS information in the GOT. */ +typedef struct +{ + unsigned long int ti_module; + unsigned long int ti_offset; +} tls_index; + +extern void *__tls_get_addr (tls_index *ti); diff --git a/REORG.TODO/sysdeps/microblaze/dl-trampoline.S b/REORG.TODO/sysdeps/microblaze/dl-trampoline.S new file mode 100644 index 0000000000..de3b4b79d3 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/dl-trampoline.S @@ -0,0 +1,109 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <libc-symbols.h> + +#ifndef PROF + + .text + .globl _dl_runtime_resolve + .type _dl_runtime_resolve, @function + .align 4 +_dl_runtime_resolve: + addik r1,r1,-40 + swi r5,r1,12 + swi r6,r1,16 + swi r7,r1,20 + swi r8,r1,24 + swi r9,r1,28 + swi r10,r1,32 + swi r15,r1,0 + addk r5,r0,r4 + brlid r15, _dl_fixup + addk r6,r0,r3; /* delay slot. */ + lwi r10,r1,32 + lwi r9,r1,28 + lwi r8,r1,24 + lwi r7,r1,20 + lwi r6,r1,16 + lwi r5,r1,12 + lwi r15,r1,0 + brad r3 + addik r1,r1,40; /* delay slot. */ + .size _dl_runtime_resolve, . - _dl_runtime_resolve + + .text + .globl _dl_runtime_profile + .type _dl_runtime_profile, @function + .align 4 +_dl_runtime_profile: + addik r1,r1,-40 + swi r5,r1,12 + swi r6,r1,16 + swi r7,r1,20 + swi r8,r1,24 + swi r9,r1,28 + swi r10,r1,32 + swi r15,r1,0 + addk r5,r0,r4 + brlid r15, _dl_profile_fixup + addk r6,r0,r3; /* delay slot. */ + lwi r10,r1,32 + lwi r9,r1,28 + lwi r8,r1,24 + lwi r7,r1,20 + lwi r6,r1,16 + lwi r5,r1,12 + lwi r15,r1,0 + brad r3 + addik r1,r1,40; /* delay slot. */ + .size _dl_runtime_profile, . - _dl_runtime_profile + +#else + + .text + .globl _dl_runtime_resolve + .type _dl_runtime_resolve, @function + .align 4 +_dl_runtime_resolve: + addik r1,r1,-40 + swi r5,r1,12 + swi r6,r1,16 + swi r7,r1,20 + swi r8,r1,24 + swi r9,r1,28 + swi r10,r1,32 + swi r15,r1,0 + addk r5,r0,r4 + brlid r15, fixup + addk r6,r0,r3; /* delay slot. */ + lwi r10,r1,32 + lwi r9,r1,28 + lwi r8,r1,24 + lwi r7,r1,20 + lwi r6,r1,16 + lwi r5,r1,12 + lwi r15,r1,0 + brad r3 + addik r1,r1,40; /* delay slot. */ + .size _dl_runtime_resolve, . - _dl_runtime_resolve + .globl _dl_runtime_profile + .set _dl_runtime_profile, _dl_runtime_resolve + +#endif diff --git a/REORG.TODO/sysdeps/microblaze/gccframe.h b/REORG.TODO/sysdeps/microblaze/gccframe.h new file mode 100644 index 0000000000..35fd1cda56 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/gccframe.h @@ -0,0 +1,21 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#define FIRST_PSEUDO_REGISTER 78 + +#include <sysdeps/generic/gccframe.h> diff --git a/REORG.TODO/sysdeps/microblaze/jmpbuf-unwind.h b/REORG.TODO/sysdeps/microblaze/jmpbuf-unwind.h new file mode 100644 index 0000000000..06dd83adce --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/jmpbuf-unwind.h @@ -0,0 +1,46 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <setjmp.h> +#include <stdint.h> +#include <unwind.h> +#include <sysdep.h> + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \ + ((void *) (address) < (void *) demangle ((jmpbuf)[0].__sp)) + +#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ + _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj) + +static inline uintptr_t __attribute__ ((unused)) +_jmpbuf_sp (__jmp_buf regs) +{ + void *sp = (void *) regs[0].__sp; +#ifdef PTR_DEMANGLE + PTR_DEMANGLE (sp); +#endif + return (uintptr_t) sp; +} + +#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ + ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj)) + +/* We use the normal longjmp for unwinding. */ +#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val) diff --git a/REORG.TODO/sysdeps/microblaze/ldsodefs.h b/REORG.TODO/sysdeps/microblaze/ldsodefs.h new file mode 100644 index 0000000000..6e01c197d0 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/ldsodefs.h @@ -0,0 +1,45 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _MICROBLAZE_LDSODEFS_H +#define _MICROBLAZE_LDSODEFS_H 1 + +#include <elf.h> + +struct La_microblaze_regs; +struct La_microblaze_retval; + +#define ARCH_PLTENTER_MEMBERS \ + Elf32_Addr (*microblaze_gnu_pltenter) (Elf32_Sym *, unsigned int, \ + uintptr_t *, \ + uintptr_t *, \ + struct La_microblaze_regs *, \ + unsigned int *, const char *name, \ + long int *framesizep); + +#define ARCH_PLTEXIT_MEMBERS \ + unsigned int (*microblaze_gnu_pltexit) (Elf32_Sym *, unsigned int, \ + uintptr_t *, \ + uintptr_t *, \ + const struct La_microblaze_regs *, \ + struct La_microblaze_retval *, \ + const char *); + +#include_next <ldsodefs.h> + +#endif diff --git a/REORG.TODO/sysdeps/microblaze/libc-tls.c b/REORG.TODO/sysdeps/microblaze/libc-tls.c new file mode 100644 index 0000000000..a43d6692e2 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/libc-tls.c @@ -0,0 +1,32 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <csu/libc-tls.c> +#include <dl-tls.h> + +/* On Microblaze, linker optimizations are not required, so __tls_get_addr + can be called even in statically linked binaries. In this case module + must be always 1 and PT_TLS segment exist in the binary, otherwise it + would not link. */ + +void * +__tls_get_addr (tls_index *ti) +{ + dtv_t *dtv = THREAD_DTV (); + return (char *) dtv[1].pointer.val + ti->ti_offset; +} diff --git a/REORG.TODO/sysdeps/microblaze/libm-test-ulps b/REORG.TODO/sysdeps/microblaze/libm-test-ulps new file mode 100644 index 0000000000..0806905370 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/libm-test-ulps @@ -0,0 +1,333 @@ +# Begin of automatic generation + +# Maximal error of functions: +Function: "acosh": +double: 1 +idouble: 1 + +Function: "asinh": +double: 1 +float: 1 +ifloat: 1 + +Function: "atan2": +float: 1 +ifloat: 1 + +Function: "atanh": +float: 1 +ifloat: 1 + +Function: Real part of "cacos": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Imaginary part of "cacos": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Real part of "cacosh": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Imaginary part of "cacosh": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Real part of "casin": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "casin": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Real part of "casinh": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Imaginary part of "casinh": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "catan": +float: 1 +ifloat: 1 + +Function: Imaginary part of "catan": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "catanh": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "catanh": +float: 1 +ifloat: 1 + +Function: "cbrt": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "ccos": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "ccos": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "ccosh": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "ccosh": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "cexp": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: Imaginary part of "cexp": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Real part of "clog": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "clog": +float: 1 +ifloat: 1 + +Function: Real part of "clog10": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Imaginary part of "clog10": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "cos": +float: 1 +ifloat: 1 + +Function: "cosh": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "cpow": +double: 2 +float: 4 +idouble: 2 +ifloat: 4 + +Function: Imaginary part of "cpow": +float: 2 +ifloat: 2 + +Function: Real part of "csin": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "csinh": +float: 1 +ifloat: 1 + +Function: Imaginary part of "csinh": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "csqrt": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "csqrt": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Real part of "ctan": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "ctan": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: Real part of "ctanh": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: Imaginary part of "ctanh": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: "erf": +double: 1 +idouble: 1 + +Function: "erfc": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "exp10": +double: 1 +idouble: 1 + +Function: "expm1": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "gamma": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "hypot": +double: 1 +idouble: 1 + +Function: "j0": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: "j1": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: "jn": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: "lgamma": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "log": +float: 1 +ifloat: 1 + +Function: "log10": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: "log1p": +float: 1 +ifloat: 1 + +Function: "pow": +float: 1 +ifloat: 1 + +Function: "pow10": +double: 1 +idouble: 1 + +Function: "sin": +float: 1 +ifloat: 1 + +Function: "sincos": +float: 1 +ifloat: 1 + +Function: "tgamma": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: "y0": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: "y1": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: "yn": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +# end of automatic generation diff --git a/REORG.TODO/sysdeps/microblaze/libm-test-ulps-name b/REORG.TODO/sysdeps/microblaze/libm-test-ulps-name new file mode 100644 index 0000000000..1edbaa8d98 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/libm-test-ulps-name @@ -0,0 +1 @@ +MicroBlaze diff --git a/REORG.TODO/sysdeps/microblaze/machine-gmon.h b/REORG.TODO/sysdeps/microblaze/machine-gmon.h new file mode 100644 index 0000000000..a73d495e23 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/machine-gmon.h @@ -0,0 +1,30 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +/* We need a special version of the `mcount' function because it has + to preserve more registers than your usual function. */ + +void __mcount_internal (unsigned long frompc, unsigned long selfpc); + +#define _MCOUNT_DECL(frompc, selfpc) \ +void __mcount_internal (unsigned long frompc, unsigned long selfpc) + + +/* Define MCOUNT as empty since we have the implementation in another + file. */ +#define MCOUNT diff --git a/REORG.TODO/sysdeps/microblaze/math_private.h b/REORG.TODO/sysdeps/microblaze/math_private.h new file mode 100644 index 0000000000..d82e8bf820 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/math_private.h @@ -0,0 +1,39 @@ +#ifndef MICROBLAZE_MATH_PRIVATE_H +#define MICROBLAZE_MATH_PRIVATE_H 1 + +/* Suppress use of exceptions here to avoid build errors if the FE_* + macros aren't definied. Only allow rounding modes implemented for + MicroBlaze. + + This does mean that some code will silently fail to report exceptions, + set rounding mode as expected, etc., but it allows math code to compile + that otherwise wouldn't (such as math/s_fma.c) and so is valuable. + + We intentionally ignore the "exception" arguments of functions that + take an exception, since we can't even evaluate the argument + without causing a build failure. The extra level of statement + expression wrapping avoids "statement with no effect" warnings. + Since the callers don't check for errors anyway, we just claim + success in every case. + + The overrides for libc_ functions must happen before we include + the generic math_private.h, and the overrides for regular + <fenv.h> functions must happen afterwards, to avoid clashing with + the declarations of those functions. */ + +#define libc_fesetround(rnd) ({ 0; }) +#define libc_fetestexcept(exc) ({ 0; }) +#define libc_feholdexcept_setround(env, exc) ({ (void) (env); 0; }) +#define libc_feupdateenv_test(env, exc) ({ (void) (env); 0; }) + +/* Enable __finitel, __isinfl, and __isnanl for binary compatibility + when built without long double support. */ +#define LDBL_CLASSIFY_COMPAT 1 + +#include_next <math_private.h> + +#define feraiseexcept(excepts) ({ 0; }) +#define __feraiseexcept(excepts) ({ 0; }) +#define feclearexcept(exc) ({ 0; }) + +#endif diff --git a/REORG.TODO/sysdeps/microblaze/memusage.h b/REORG.TODO/sysdeps/microblaze/memusage.h new file mode 100644 index 0000000000..644de0765e --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/memusage.h @@ -0,0 +1,21 @@ +/* Copyright (C) 2000-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define GETSP() ({ register uintptr_t stack_ptr asm ("r1"); stack_ptr; }) + +#include <sysdeps/generic/memusage.h> diff --git a/REORG.TODO/sysdeps/microblaze/nptl/Makefile b/REORG.TODO/sysdeps/microblaze/nptl/Makefile new file mode 100644 index 0000000000..3627748ad8 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/nptl/Makefile @@ -0,0 +1,21 @@ +# Copyright (C) 2005-2017 Free Software Foundation, Inc. +# +# This file is part of the GNU C Library. +# +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library. If not, see +# <http://www.gnu.org/licenses/>. + +ifeq ($(subdir),csu) +gen-as-const-headers += tcb-offsets.sym +endif diff --git a/REORG.TODO/sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h b/REORG.TODO/sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h new file mode 100644 index 0000000000..d687e2c076 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h @@ -0,0 +1,70 @@ +/* Copyright (C) 2002-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _BITS_PTHREADTYPES_ARCH_H +# define _BITS_PTHREADTYPES_ARCH_H 1 + +# include <endian.h> + +# define __SIZEOF_PTHREAD_ATTR_T 36 +# define __SIZEOF_PTHREAD_MUTEX_T 24 +# define __SIZEOF_PTHREAD_MUTEXATTR_T 4 +# define __SIZEOF_PTHREAD_COND_T 48 +# define __SIZEOF_PTHREAD_CONDATTR_T 4 +# define __SIZEOF_PTHREAD_RWLOCK_T 32 +# define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 +# define __SIZEOF_PTHREAD_BARRIER_T 20 +# define __SIZEOF_PTHREAD_BARRIERATTR_T 4 + +/* Definitions for internal mutex struct. */ +#define __PTHREAD_COMPAT_PADDING_MID +#define __PTHREAD_COMPAT_PADDING_END +#define __PTHREAD_MUTEX_LOCK_ELISION 0 + +#define __LOCK_ALIGNMENT +#define __ONCE_ALIGNMENT + +struct __pthread_rwlock_arch_t +{ + unsigned int __readers; + unsigned int __writers; + unsigned int __wrphase_futex; + unsigned int __writers_futex; + unsigned int __pad3; + unsigned int __pad4; +# if __BYTE_ORDER == __BIG_ENDIAN + unsigned char __pad1; + unsigned char __pad2; + unsigned char __shared; + /* FLAGS must stay at this position in the structure to maintain + binary compatibility. */ + unsigned char __flags; +# else + /* FLAGS must stay at this position in the structure to maintain + binary compatibility. */ + unsigned char __flags; + unsigned char __shared; + unsigned char __pad1; + unsigned char __pad2; +# endif + int __cur_writer; +}; + +# define __PTHREAD_RWLOCK_ELISION_EXTRA 0 + +#endif /* bits/pthreadtypes.h. */ diff --git a/REORG.TODO/sysdeps/microblaze/nptl/bits/semaphore.h b/REORG.TODO/sysdeps/microblaze/nptl/bits/semaphore.h new file mode 100644 index 0000000000..f1d25cdfef --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/nptl/bits/semaphore.h @@ -0,0 +1,32 @@ +/* Copyright (C) 2002-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SEMAPHORE_H +# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." +#endif + +#define __SIZEOF_SEM_T 16 + +/* Value returned if `sem_open' failed. */ +#define SEM_FAILED ((sem_t *) 0) + +typedef union +{ + char __size[__SIZEOF_SEM_T]; + long int __align; +} sem_t; diff --git a/REORG.TODO/sysdeps/microblaze/nptl/pthreaddef.h b/REORG.TODO/sysdeps/microblaze/nptl/pthreaddef.h new file mode 100644 index 0000000000..7141fb414f --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/nptl/pthreaddef.h @@ -0,0 +1,35 @@ +/* Copyright (C) 2002-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdlib.h> +#include <string.h> + +/* Default stack size. */ +#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024) + +/* Required stack pointer alignment at beginning. */ +#define STACK_ALIGN 16 + +/* Minimal stack size after allocating thread descriptor and guard size. */ +#define MINIMAL_REST_STACK 2048 + +/* Alignment requirement for TCB. */ +#define TCB_ALIGNMENT 16 + +/* Location of current stack frame. */ +#define CURRENT_STACK_FRAME __builtin_frame_address (0) diff --git a/REORG.TODO/sysdeps/microblaze/nptl/tcb-offsets.sym b/REORG.TODO/sysdeps/microblaze/nptl/tcb-offsets.sym new file mode 100644 index 0000000000..614f0dfed6 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/nptl/tcb-offsets.sym @@ -0,0 +1,10 @@ +#include <sysdep.h> +#include <tls.h> + +-- + +-- Abuse tls.h macros to derive offsets relative to the thread register. +#define thread_offsetof(mem) (long)(offsetof (struct pthread, mem) - sizeof (struct pthread)) + +MULTIPLE_THREADS_OFFSET thread_offsetof (header.multiple_threads) +TID_OFFSET thread_offsetof (tid) diff --git a/REORG.TODO/sysdeps/microblaze/nptl/tls.h b/REORG.TODO/sysdeps/microblaze/nptl/tls.h new file mode 100644 index 0000000000..9703484c0e --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/nptl/tls.h @@ -0,0 +1,143 @@ +/* Copyright (C) 2005-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _TLS_H +# define _TLS_H 1 + +# include <dl-sysdep.h> + +#ifndef __ASSEMBLER__ +# include <stdbool.h> +# include <stddef.h> +# include <stdint.h> +# include <dl-dtv.h> + +#else /* __ASSEMBLER__ */ +# include <tcb-offsets.h> +#endif /* __ASSEMBLER__ */ + +#ifndef __ASSEMBLER__ + +/* Get system call information. */ +# include <sysdep.h> + +/* The TP points to the start of the thread blocks. */ +# define TLS_DTV_AT_TP 1 +# define TLS_TCB_AT_TP 0 + +/* Get the thread descriptor definition. */ +# include <nptl/descr.h> + +typedef struct +{ + dtv_t *dtv; + void *private; +} tcbhead_t; + +#define READ_THREAD_POINTER() \ + ({ register void *__microblaze_thread_area asm ("r21"); \ + __microblaze_thread_area; }) + +/* This is the size of the initial TCB. */ +# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) + +/* Alignment requirements for the initial TCB. */ +# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t) + +/* This is the size of the TCB. */ +# define TLS_TCB_SIZE sizeof (tcbhead_t) + +/* This is the size we need before TCB. */ +# define TLS_PRE_TCB_SIZE sizeof (struct pthread) + +/* Alignment requirements for the TCB. */ +# define TLS_TCB_ALIGN __alignof__ (struct pthread) + +/* Install the dtv pointer. The pointer passed is to the element with + index -1 which contain the length. */ +# define INSTALL_DTV(tcbp, dtvp) \ + (((tcbhead_t *) (tcbp))->dtv = (dtvp) + 1) + +/* Install new dtv for current thread. */ +# define INSTALL_NEW_DTV(dtv) \ + (THREAD_DTV() = (dtv)) + +/* Return dtv of given thread descriptor. */ +# define GET_DTV(tcbp) \ + (((tcbhead_t *) (tcbp))->dtv) + +/* Code to initially initialize the thread pointer. + r21 is reserved for thread pointer. */ +# define TLS_INIT_TP(tcbp) \ + ({ __asm __volatile ("or r21,r0,%0" : : "r" ((void *)tcbp)); NULL; }) + +# define TLS_DEFINE_INIT_TP(tp, pd) void *tp = (pd) + 1 + +/* Return the address of the dtv for the current thread. */ +# define THREAD_DTV() \ + (((tcbhead_t *) READ_THREAD_POINTER())->dtv) + +/* Return the thread descriptor for the current thread. */ +# define THREAD_SELF \ + (((struct pthread *) READ_THREAD_POINTER()) - 1) + +/* Magic for libthread_db to know how to do THREAD_SELF. */ +# define DB_THREAD_SELF \ + CONST_THREAD_AREA (32, sizeof (struct pthread)) + +/* Read member of the thread descriptor directly. */ +# define THREAD_GETMEM(descr, member) (descr->member) + +/* Same as THREAD_GETMEM, but the member offset can be non-constant. */ +# define THREAD_GETMEM_NC(descr, member, idx) \ + (descr->member[idx]) + +/* Set member of the thread descriptor directly. */ +# define THREAD_SETMEM(descr, member, value) \ + (descr->member = (value)) + +/* Same as THREAD_SETMEM, but the member offset can be non-constant. */ +# define THREAD_SETMEM_NC(descr, member, idx, value) \ + (descr->member[idx] = (value)) + +/* Get and set the global scope generation counter in struct pthread. */ +# define THREAD_GSCOPE_FLAG_UNUSED 0 +# define THREAD_GSCOPE_FLAG_USED 1 +# define THREAD_GSCOPE_FLAG_WAIT 2 +# define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \ + } \ + while (0) +# define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +# define THREAD_GSCOPE_WAIT() \ + GL (dl_wait_lookup_done) () + +#endif /* __ASSEMBLER__ */ + +#endif /* tls.h. */ diff --git a/REORG.TODO/sysdeps/microblaze/preconfigure b/REORG.TODO/sysdeps/microblaze/preconfigure new file mode 100644 index 0000000000..90e2e631d9 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/preconfigure @@ -0,0 +1,3 @@ +case "$machine" in +microblaze*) base_machine=microblaze machine=microblaze ;; +esac diff --git a/REORG.TODO/sysdeps/microblaze/s_fma.c b/REORG.TODO/sysdeps/microblaze/s_fma.c new file mode 100644 index 0000000000..d9613fa67c --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/s_fma.c @@ -0,0 +1 @@ +#include <soft-fp/fmadf4.c> diff --git a/REORG.TODO/sysdeps/microblaze/s_fmaf.c b/REORG.TODO/sysdeps/microblaze/s_fmaf.c new file mode 100644 index 0000000000..aa5c9b2d91 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/s_fmaf.c @@ -0,0 +1 @@ +#include <soft-fp/fmasf4.c> diff --git a/REORG.TODO/sysdeps/microblaze/setjmp.S b/REORG.TODO/sysdeps/microblaze/setjmp.S new file mode 100644 index 0000000000..79b8aec490 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/setjmp.S @@ -0,0 +1,75 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +/* This source produces 3 functions: + __sigsetjmp (jmpbuf,savemask) + setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 1) + _setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 0) +*/ + +#ifndef setjmp_name +# define setjmp_name __sigsetjmp +# define SET_MASK_ARG +#else +# define SET_MASK_ARG addik r6,r0,SAVEMASK +#endif + +ENTRY (setjmp_name) + swi r1,r5,0 + swi r2,r5,4 + swi r13,r5,8 + swi r14,r5,12 + swi r15,r5,16 + swi r16,r5,20 + swi r17,r5,24 + swi r18,r5,28 + swi r19,r5,32 + swi r20,r5,36 + swi r21,r5,40 + swi r22,r5,44 + swi r23,r5,48 + swi r24,r5,52 + swi r25,r5,56 + swi r26,r5,60 + swi r27,r5,64 + swi r28,r5,68 + swi r29,r5,72 + swi r30,r5,76 + swi r31,r5,80 + + SET_MASK_ARG + + /* Make a tail call to __sigjmp_save; it takes the same args. */ +#ifdef PIC + /* We cannot use the PLT, because it requires that r20 be set, but + we can't save and restore our caller's value. Instead, we do an + indirect jump through the GOT, using the temporary register + %ecx, which is call-clobbered. */ + mfs r12,rpc + addik r12,r12,_GLOBAL_OFFSET_TABLE_+8 + lwi r12,r12,__sigjmp_save@GOT + brad r12 +#else + brid __sigjmp_save +#endif + nop +END (setjmp_name) + +libc_hidden_def (setjmp_name) diff --git a/REORG.TODO/sysdeps/microblaze/sfp-machine.h b/REORG.TODO/sysdeps/microblaze/sfp-machine.h new file mode 100644 index 0000000000..e4ad79e6bd --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/sfp-machine.h @@ -0,0 +1 @@ +#include <sysdeps/nios2/sfp-machine.h> diff --git a/REORG.TODO/sysdeps/microblaze/sotruss-lib.c b/REORG.TODO/sysdeps/microblaze/sotruss-lib.c new file mode 100644 index 0000000000..cbb7cd21bc --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/sotruss-lib.c @@ -0,0 +1,52 @@ +/* Override generic sotruss-lib.c to define actual functions for MicroBlaze. + Copyright (C) 2012-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#define HAVE_ARCH_PLTENTER +#define HAVE_ARCH_PLTEXIT + +#include <elf/sotruss-lib.c> + +ElfW(Addr) +la_microblaze_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)), + unsigned int ndx __attribute__ ((unused)), + uintptr_t *refcook, uintptr_t *defcook, + La_microblaze_regs *regs, unsigned int *flags, + const char *symname, long int *framesizep) +{ + print_enter (refcook, defcook, symname, + regs->lr_r0, regs->lr_r1, regs->lr_sp, + *flags); + + /* No need to copy anything, we will not need the parameters in any case. */ + *framesizep = 0; + + return sym->st_value; +} + +unsigned int +la_microblaze_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, + uintptr_t *refcook, + uintptr_t *defcook, + const struct La_microblaze_regs *inregs, + struct La_microblaze_retval *outregs, + const char *symname) +{ + print_exit (refcook, defcook, symname, outregs->lrv_r3); + + return 0; +} diff --git a/REORG.TODO/sysdeps/microblaze/stackinfo.h b/REORG.TODO/sysdeps/microblaze/stackinfo.h new file mode 100644 index 0000000000..3062b1e69d --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/stackinfo.h @@ -0,0 +1,34 @@ +/* Copyright (C) 2001-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* This file contains a bit of information about the stack allocation + of the processor. */ + +#ifndef _STACKINFO_H +# define _STACKINFO_H 1 + +# include <elf.h> + +/* On MicroBlaze the stack grows down. */ +# define _STACK_GROWS_DOWN 1 + +/* Default to an executable stack. PF_X can be overridden if PT_GNU_STACK is + * present, but it is presumed absent. */ +# define DEFAULT_STACK_PERMS (PF_R|PF_W|PF_X) + +#endif /* stackinfo.h. */ diff --git a/REORG.TODO/sysdeps/microblaze/start.S b/REORG.TODO/sysdeps/microblaze/start.S new file mode 100644 index 0000000000..f94e816ee0 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/start.S @@ -0,0 +1,84 @@ +/* Copyright (C) 1995-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + + .text + .globl _start + .type _start,@function +_start: + /* On entry the stack contains the following args: + r1+0 - argc + r1+4 - argv[0] + ... + r1+4*(argc-1) - argv[argc-1] + r1+4*argc - NULL + r1+4*argc + 4 - envp[0] + ... + NULL + */ + addk r3,r0,r0 + addk r5,r1,r0 +1: + addik r5,r5,4 + lw r4,r5,r0 + bneid r4,1b + addik r3,r3,1 + addik r6,r3,-1 + sw r6,r1,r0 + addik r7,r1,4 + addik r1,r1,-24 +#ifdef SHARED + /* Setup PIC. */ + mfs r20,rpc + addik r20,r20,_GLOBAL_OFFSET_TABLE_+8 + lwi r5,r20,main@GOT + lwi r8,r20,__libc_csu_init@GOT + lwi r9,r20,__libc_csu_fini@GOT + brid __libc_start_main@PLT + addk r10,r0,r0 +#else + addik r5,r0,main + addik r8,r0,__libc_csu_init + addik r9,r0,__libc_csu_fini + brid __libc_start_main + addk r10,r0,r0 +#endif + +/* Define a symbol for the first piece of initialized data. */ + .data + .globl __data_start +__data_start: + .long 0 + .weak data_start + data_start = __data_start diff --git a/REORG.TODO/sysdeps/microblaze/sysdep.h b/REORG.TODO/sysdeps/microblaze/sysdep.h new file mode 100644 index 0000000000..1f1ca3709b --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/sysdep.h @@ -0,0 +1,85 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdeps/generic/sysdep.h> + +#ifdef __ASSEMBLER__ + +/* Syntactic details of assembler. */ + +# define ALIGNARG(log2) log2 +# define ASM_SIZE_DIRECTIVE(name) .size name,.-name + +/* Define an entry point visible from C. */ +# define ENTRY(name) \ + .globl C_SYMBOL_NAME(name); \ + .type C_SYMBOL_NAME(name),@function; \ + .align ALIGNARG(2); \ + C_LABEL(name) \ + CALL_MCOUNT + +# undef END +# define END(name) ASM_SIZE_DIRECTIVE(name) + + +/* If compiled for profiling, call `_mcount' at the start of each function. */ +# ifdef PROF +/* The mcount code relies on a normal frame pointer being on the stack + to locate our caller, so push one just for its benefit. */ +# define CALL_MCOUNT \ + addik r1,r1,-4; \ + swi r15,r1,0; \ + brlid r15,JUMPTARGET(mcount); \ + nop; \ + lwi r15,r1,0; \ + addik r1,r1,4; +# else +# define CALL_MCOUNT /* Do nothing. */ +# endif + +/* Since C identifiers are not normally prefixed with an underscore + on this system, the asm identifier `syscall_error' intrudes on the + C name space. Make sure we use an innocuous name. */ +# define syscall_error __syscall_error +# define mcount _mcount + +# define PSEUDO(name, syscall_name, args) \ + .globl syscall_error; \ + ENTRY (name) \ + DO_CALL (syscall_name, args); + +# define ret \ + rtsd r15,8; nop; + +# undef PSEUDO_END +# define PSEUDO_END(name) \ + END (name) + +# undef JUMPTARGET +# ifdef PIC +# define JUMPTARGET(name) name##@PLTPC +# else +# define JUMPTARGET(name) name +# endif + +/* Local label name for asm code. */ +# ifndef L +# define L(name) $L##name +# endif + +# endif /* __ASSEMBLER__ */ diff --git a/REORG.TODO/sysdeps/microblaze/tls-macros.h b/REORG.TODO/sysdeps/microblaze/tls-macros.h new file mode 100644 index 0000000000..a12df06e24 --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/tls-macros.h @@ -0,0 +1,46 @@ +/* Copyright (C) 2009-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define TLS_LD(x) \ + ({ \ + char *__result; \ + int __offset; \ + extern void *__tls_get_addr (void *); \ + asm ("mfs r20,rpc \n" \ + "addik r20,r20,_GLOBAL_OFFSET_TABLE_+8\n" \ + "addik %0,r20," #x "@TLSLDM" \ + : "=r" (__result)); \ + __result = (char *) __tls_get_addr (__result); \ + asm ("addik %0,r0,"#x"@TLSDTPREL" \ + : "=r" (__offset)); \ + (int *) (__result + __offset); }) + + +#define TLS_GD(x) \ + ({ \ + int *__result; \ + extern void *__tls_get_addr (void *); \ + asm ("mfs r20,rpc\n" \ + "addik r20,r20,_GLOBAL_OFFSET_TABLE_+8\n" \ + "addik %0,r20," #x "@TLSGD" \ + : "=r" (__result)); \ + (int *) __tls_get_addr (__result); }) + +#define TLS_LE(x) TLS_LD(x) + +#define TLS_IE(x) TLS_GD(x) diff --git a/REORG.TODO/sysdeps/microblaze/tst-audit.h b/REORG.TODO/sysdeps/microblaze/tst-audit.h new file mode 100644 index 0000000000..e08811ccca --- /dev/null +++ b/REORG.TODO/sysdeps/microblaze/tst-audit.h @@ -0,0 +1,25 @@ +/* Definitions for testing PLT entry/exit auditing. MicroBlaze version. + + Copyright (C) 2012-2017 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#define pltenter la_microblaze_gnu_pltenter +#define pltexit la_microblaze_gnu_pltexit +#define La_regs La_microblaze_regs +#define La_retval La_microblaze_retval +#define int_retval lrv_r3 |