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author | Roland McGrath <roland@gnu.org> | 2004-10-24 19:23:43 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2004-10-24 19:23:43 +0000 |
commit | 89c235754c8986b6394a969e92f75ba63ecbbf7c (patch) | |
tree | 880ae7f5c447ad63bc171148fc4b90ff102eecb2 /sysdeps/cris | |
parent | 8aeb5058b6457cf9ca8d76026cbb60ca07015570 (diff) | |
download | glibc-89c235754c8986b6394a969e92f75ba63ecbbf7c.tar.gz glibc-89c235754c8986b6394a969e92f75ba63ecbbf7c.tar.xz glibc-89c235754c8986b6394a969e92f75ba63ecbbf7c.zip |
Ancient files moved to ports repository
Diffstat (limited to 'sysdeps/cris')
-rw-r--r-- | sysdeps/cris/Dist | 1 | ||||
-rw-r--r-- | sysdeps/cris/Implies | 3 | ||||
-rw-r--r-- | sysdeps/cris/Makefile | 44 | ||||
-rw-r--r-- | sysdeps/cris/__longjmp.S | 38 | ||||
-rw-r--r-- | sysdeps/cris/_mcount.S | 36 | ||||
-rw-r--r-- | sysdeps/cris/bits/endian.h | 7 | ||||
-rw-r--r-- | sysdeps/cris/bits/setjmp.h | 54 | ||||
-rw-r--r-- | sysdeps/cris/bits/string.h | 26 | ||||
-rw-r--r-- | sysdeps/cris/dl-machine.h | 391 | ||||
-rw-r--r-- | sysdeps/cris/elf/start.S | 141 | ||||
-rw-r--r-- | sysdeps/cris/machine-gmon.h | 28 | ||||
-rw-r--r-- | sysdeps/cris/memcopy.h | 57 | ||||
-rw-r--r-- | sysdeps/cris/memusage.h | 27 | ||||
-rw-r--r-- | sysdeps/cris/setjmp.S | 66 | ||||
-rw-r--r-- | sysdeps/cris/stackinfo.h | 28 | ||||
-rw-r--r-- | sysdeps/cris/sysdep.h | 114 | ||||
-rw-r--r-- | sysdeps/cris/wordcopy.c | 1 |
17 files changed, 0 insertions, 1062 deletions
diff --git a/sysdeps/cris/Dist b/sysdeps/cris/Dist deleted file mode 100644 index cf1ffb6a08..0000000000 --- a/sysdeps/cris/Dist +++ /dev/null @@ -1 +0,0 @@ -_mcount.S diff --git a/sysdeps/cris/Implies b/sysdeps/cris/Implies deleted file mode 100644 index 780c4e2467..0000000000 --- a/sysdeps/cris/Implies +++ /dev/null @@ -1,3 +0,0 @@ -wordsize-32 -ieee754/flt-32 -ieee754/dbl-64 diff --git a/sysdeps/cris/Makefile b/sysdeps/cris/Makefile deleted file mode 100644 index 1ecb78c3e0..0000000000 --- a/sysdeps/cris/Makefile +++ /dev/null @@ -1,44 +0,0 @@ -# Copyright (C) 1999, 2000, 2001 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, write to the Free -# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -# 02111-1307 USA. - -# We don't support long doubles as a distinct type. We don't need to set -# this variable; it's here mostly for documentational purposes. - -long-double-fcts = no - -# FIXME: Note that this is a machine-specific stub; profiling is not -# implemented. -ifeq ($(subdir),gmon) -sysdep_routines += _mcount -endif - -# FIXME: This test seems generally bogus. Wrong types in function calls -# and assumes FE_TONEAREST is defined. Does it work somewhere? -# Presumably it does, so let's settle for filtering it out target-wise -# until it's agreed what should be done. -ifeq ($(subdir),math) -tests := $(filter-out test-fenv, $(tests)) -endif - -# PIC code must be assembled with special options, passed on by gcc when -# given the -fpic option. -ASFLAGS-.os = -fpic - -# Overflow occurs at 2**15/4 (8192) symbols. Glibc uses about 2000. -# So use -fpic: smaller-size relocs; smaller, faster code. -pic-ccflag = -fpic diff --git a/sysdeps/cris/__longjmp.S b/sysdeps/cris/__longjmp.S deleted file mode 100644 index cce27ca25e..0000000000 --- a/sysdeps/cris/__longjmp.S +++ /dev/null @@ -1,38 +0,0 @@ -/* longjmp for CRIS. - Copyright (C) 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#define _SETJMP_H -#define _ASM -#include <bits/setjmp.h> - - .syntax no_register_prefix - -/* Saving and restoring CCR is meaningless, so we don't do it. */ -ENTRY (__longjmp) - /* Note that r10 = jmp_buf, r11 = retval. */ - move [r10+16*4],srp - test.d r11 - beq 0f /* Already a 1 in place. */ - nop - /* Offset for r9, the return value (see setjmp). */ - move.d r11,[r10+6*4] -0: - movem [r10],pc -END (__longjmp) diff --git a/sysdeps/cris/_mcount.S b/sysdeps/cris/_mcount.S deleted file mode 100644 index a939131645..0000000000 --- a/sysdeps/cris/_mcount.S +++ /dev/null @@ -1,36 +0,0 @@ -/* Machine-specific calling sequence for `mcount' profiling function for CRIS. - Copyright (C) 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* FIXME: This isn't implemented yet. This is just a machine-specific - stub. Perhaps a real implementation can make use of it. */ - -#include <sysdep.h> - -#undef CALL_MCOUNT -#define CALL_MCOUNT - -ENTRY (_mcount) - SETUP_PIC - /* Sorry, isn't implemented yet. - Can't call abort; that will recurse. Force SEGV instead. */ - test.d [99] -1: - ba 1b - nop -END (_mcount) diff --git a/sysdeps/cris/bits/endian.h b/sysdeps/cris/bits/endian.h deleted file mode 100644 index 034307e395..0000000000 --- a/sysdeps/cris/bits/endian.h +++ /dev/null @@ -1,7 +0,0 @@ -/* CRIS is little-endian. */ - -#ifndef _ENDIAN_H -# error "Never use <bits/endian.h> directly; include <endian.h> instead." -#endif - -#define __BYTE_ORDER __LITTLE_ENDIAN diff --git a/sysdeps/cris/bits/setjmp.h b/sysdeps/cris/bits/setjmp.h deleted file mode 100644 index 0d7825bc86..0000000000 --- a/sysdeps/cris/bits/setjmp.h +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright (C) 1997, 1998 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Define the machine-dependent type `jmp_buf', CRIS version. */ - -/* Note that saving and restoring CCR has no meaning in user mode, so we - don't actually do it; the slot is now reserved. - - jmp_buf[0] - PC - jmp_buf[1] - SP (R14) - jmp_buf[2] - R13 - jmp_buf[3] - R12 - jmp_buf[4] - R11 - jmp_buf[5] - R10 - jmp_buf[6] - R9 - jmp_buf[7] - R8 - jmp_buf[8] - R7 - jmp_buf[9] - R6 - jmp_buf[10] - R5 - jmp_buf[11] - R4 - jmp_buf[12] - R3 - jmp_buf[13] - R2 - jmp_buf[14] - R1 - jmp_buf[15] - R0 - jmp_buf[16] - SRP - jmp_buf[17] - CCR */ - -#ifndef _ASM -typedef unsigned long int __jmp_buf[18]; -#endif - -#if defined (__USE_MISC) || defined (_ASM) -#define JB_SP 1 -#endif - -/* Test if longjmp to JMPBUF would unwind the frame - containing a local variable at ADDRESS. */ -#define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((unsigned long int) (address) < (jmpbuf)[JB_SP]) diff --git a/sysdeps/cris/bits/string.h b/sysdeps/cris/bits/string.h deleted file mode 100644 index fa893d3653..0000000000 --- a/sysdeps/cris/bits/string.h +++ /dev/null @@ -1,26 +0,0 @@ -/* Optimized, inlined string functions. CRIS version. - Copyright (C) 1997, 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _STRING_H -# error "Never use <bits/string.h> directly; include <string.h> instead." -#endif - -/* Currently the only purpose of this file is to tell the generic inline - macros that unaligned memory access is possible. */ -#define _STRING_ARCH_unaligned 1 diff --git a/sysdeps/cris/dl-machine.h b/sysdeps/cris/dl-machine.h deleted file mode 100644 index 368733e73f..0000000000 --- a/sysdeps/cris/dl-machine.h +++ /dev/null @@ -1,391 +0,0 @@ -/* Machine-dependent ELF dynamic relocation inline functions. CRIS version. - Copyright (C) 1996-2001, 2002, 2003 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef dl_machine_h -#define dl_machine_h - -#define ELF_MACHINE_NAME "CRIS" - -#include <sys/param.h> - -#ifdef __PIC__ -# define CALL_FN(x) \ - "move.d $pc,$r9\n\t" \ - "add.d " #x " - .,$r9\n\t" \ - "jsr $r9" -#else -# define CALL_FN(x) "jsr " #x -#endif - -/* 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_CRIS; -} - -/* 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) -{ - /* Don't just set this to an asm variable "r0" since that's not logical - (like, the variable is uninitialized and the register is fixed) and - may make GCC trip over itself doing register allocation. Yes, I'm - paranoid. Why do you ask? */ - Elf32_Addr *got; - - __asm__ ("move.d $r0,%0" : "=rm" (got)); - return *got; -} - -/* Return the run-time load address of the shared object. We do it like - m68k and i386, by taking an arbitrary local symbol, forcing a GOT entry - for it, and peeking into the GOT table, which is set to the link-time - file-relative symbol value (regardless of whether the target is REL or - RELA). We subtract this link-time file-relative value from the "local" - value we calculate from GOT position and GOT offset. FIXME: Perhaps - there's some other symbol we could use, that we don't *have* to force a - GOT entry for. */ - -static inline Elf32_Addr -elf_machine_load_address (void) -{ - Elf32_Addr gotaddr_diff; - __asm__ ("sub.d [$r0+_dl_start:GOT16],$r0,%0\n\t" - "add.d _dl_start:GOTOFF,%0" : "=r" (gotaddr_diff)); - return gotaddr_diff; -} - -/* 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 -elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) -{ - Elf32_Addr *got; - extern void _dl_runtime_resolve (Elf32_Word); - extern void _dl_runtime_profile (Elf32_Word); - - if (l->l_info[DT_JMPREL] && lazy) - { - /* The GOT entries for functions in the PLT have not yet been - filled in. Their initial contents will arrange when called - to push an offset into the .rela.plt section, push - _GLOBAL_OFFSET_TABLE_[1], and then jump to - _GLOBAL_OFFSET_TABLE_[2]. */ - got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]); - got[1] = (Elf32_Addr) l; /* Identify this shared object. */ - - /* The got[2] entry contains the address of a function which gets - called to get the address of a so far unresolved function and - jump to it. The profiling extension of the dynamic linker allows - to intercept the calls to collect information. In this case we - don't store the address in the GOT so that all future calls also - end in this function. */ - if (__builtin_expect (profile, 0)) - { - got[2] = (Elf32_Addr) &_dl_runtime_profile; - - if (_dl_name_match_p (GL(dl_profile), l)) - { - /* This is the object we are looking for. Say that we really - want profiling and the timers are started. */ - GL(dl_profile_map) = l; - } - } - else - /* This function will get called to fix up the GOT entry indicated by - the offset on the stack, and then jump to the resolved address. */ - got[2] = (Elf32_Addr) &_dl_runtime_resolve; - } - - return lazy; -} - -/* This code is used in dl-runtime.c to call the `fixup' function - and then redirect to the address it returns. - - We get here with the offset into the relocation table pushed on stack, - and the link map in MOF. */ - -#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \ -"; Trampoline for " #fixup_name "\n\ - .globl " #tramp_name "\n\ - .type " #tramp_name ", @function\n\ -" #tramp_name ":\n\ - push $r13\n\ - push $r12\n\ - push $r11\n\ - push $r10\n\ - push $r9\n\ - push $srp\n\ - move.d [$sp+6*4],$r11\n\ - move $mof,$r10\n\ - " CALL_FN (fixup_name) "\n\ - move.d $r10,[$sp+6*4]\n\ - pop $srp\n\ - pop $r9\n\ - pop $r10\n\ - pop $r11\n\ - pop $r12\n\ - pop $r13\n\ - jump [$sp+]\n\ - .size " #tramp_name ", . - " #tramp_name "\n" -#ifndef PROF -#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ -asm (TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup) \ - TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup)); -#else -#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ -asm (TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup) \ - ".globl _dl_runtime_profile\n" \ - ".set _dl_runtime_profile, _dl_runtime_resolve"); -#endif - - -/* Mask identifying addresses reserved for the user program, - where the dynamic linker should not map anything. */ -#define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL - -/* 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\ - move.d $sp,$r10\n\ - " CALL_FN (_dl_start) "\n\ - /* FALLTHRU */\n\ -\n\ - .globl _dl_start_user\n\ - .type _dl_start_user,@function\n\ -_dl_start_user:\n\ - ; Save the user entry point address in R1.\n\ - move.d $r10,$r1\n\ - ; Point R0 at the GOT.\n\ - move.d $pc,$r0\n\ - sub.d .:GOTOFF,$r0\n\ - ; See if we were run as a command with the executable file\n\ - ; name as an extra leading argument.\n\ - move.d [$r0+_dl_skip_args:GOT16],$r13\n\ - move.d [$r13],$r9\n\ - ; Get the original argument count\n\ - move.d [$sp],$r11\n\ - ; Subtract _dl_skip_args from it.\n\ - sub.d $r9,$r11\n\ - ; Adjust the stack pointer to skip _dl_skip_args words.\n\ - addi $r9.d,$sp\n\ - ; Put the new argc in place as expected by the user entry.\n\ - move.d $r11,[$sp]\n\ - ; Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env)\n\ - ; env: skip scaled argc and skip stored argc and NULL at end of argv[].\n\ - move.d $sp,$r13\n\ - addi $r11.d,$r13\n\ - addq 8,$r13\n\ - ; argv: skip stored argc.\n\ - move.d $sp,$r12\n\ - addq 4,$r12\n\ - ; main_map: at _dl_loaded.\n\ - move.d [$r0+_rtld_local:GOT16],$r9\n\ - move.d [$r9],$r10\n\ - move.d _dl_init_internal:PLTG,$r9\n\ - add.d $r0,$r9\n\ - jsr $r9\n\ - ; Pass our finalizer function to the user in R10.\n\ - move.d [$r0+_dl_fini:GOT16],$r10\n\ - ; Terminate the frame-pointer.\n\ - moveq 0,$r8\n\ - ; Cause SEGV if user entry returns.\n\ - move $r8,$srp\n\ - ; Jump to the user's entry point.\n\ - jump $r1\n\ - .size _dl_start_user, . - _dl_start_user\n\ - .previous"); - -/* The union of reloc-type-classes where the reloc TYPE is a member. - - TYPE is in the class ELF_RTYPE_CLASS_PLT if it can describe a - relocation for a PLT entry, that is, for which a PLT entry should not - be allowed to define the value. The GNU linker for CRIS can merge a - .got.plt entry (R_CRIS_JUMP_SLOT) with a .got entry (R_CRIS_GLOB_DAT), - so we need to match both these reloc types. - - TYPE is in the class ELF_RTYPE_CLASS_NOCOPY if it should not be allowed - to resolve to one of the main executable's symbols, as for a COPY - reloc. */ -#define elf_machine_type_class(type) \ - ((((((type) == R_CRIS_JUMP_SLOT)) \ - || ((type) == R_CRIS_GLOB_DAT)) * ELF_RTYPE_CLASS_PLT) \ - | (((type) == R_CRIS_COPY) * ELF_RTYPE_CLASS_COPY)) - -/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */ -#define ELF_MACHINE_JMP_SLOT R_CRIS_JUMP_SLOT - -/* CRIS never uses Elf32_Rel relocations. */ -#define ELF_MACHINE_NO_REL 1 - -/* We define an initialization functions. This is called very early in - _dl_sysdep_start. */ -#define DL_PLATFORM_INIT dl_platform_init () - -static inline void __attribute__ ((unused)) -dl_platform_init (void) -{ - if (GL(dl_platform) != NULL && *GL(dl_platform) == '\0') - /* Avoid an empty string which would disturb us. */ - GL(dl_platform) = NULL; -} - -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. */ -static inline Elf32_Addr -elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc, - Elf32_Addr value) -{ - return value + reloc->r_addend; -} - -#endif /* !dl_machine_h */ - -#ifdef RESOLVE - -/* Perform the relocation specified by RELOC and SYM (which is fully resolved). - MAP is the object containing the reloc. */ - -static inline void -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) -{ - Elf32_Addr *const reloc_addr = reloc_addr_arg; - const unsigned int r_type = ELF32_R_TYPE (reloc->r_info); - - if (__builtin_expect (r_type == R_CRIS_RELATIVE, 0)) - *reloc_addr = map->l_addr + reloc->r_addend; - else - { -#ifndef RTLD_BOOTSTRAP - const Elf32_Sym *const refsym = sym; -#endif - Elf32_Addr value; - if (sym->st_shndx != SHN_UNDEF - && ELF32_ST_BIND (sym->st_info) == STB_LOCAL) - value = map->l_addr; - else - { - value = RESOLVE (&sym, version, r_type); - if (sym) - value += sym->st_value; - } - value += reloc->r_addend; /* Assume copy relocs have zero addend. */ - - switch (r_type) - { -#ifndef RTLD_BOOTSTRAP - case R_CRIS_COPY: - if (sym == NULL) - /* This can happen in trace mode if an object could not be - found. */ - break; - if (sym->st_size > refsym->st_size - || (GL(dl_verbose) && sym->st_size < refsym->st_size)) - { - 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 ?: "<program name unknown>", - strtab + refsym->st_name); - } - memcpy (reloc_addr_arg, (void *) value, - MIN (sym->st_size, refsym->st_size)); - break; - - case R_CRIS_32: -#endif - case R_CRIS_GLOB_DAT: - case R_CRIS_JUMP_SLOT: - *reloc_addr = value; - break; -#ifndef RTLD_BOOTSTRAP - case R_CRIS_8: - *(char *) reloc_addr = value; - break; - case R_CRIS_16: - *(short *) reloc_addr = value; - break; - case R_CRIS_8_PCREL: - *(char *) reloc_addr - = value + reloc->r_addend - (Elf32_Addr) reloc_addr - 1; - break; - case R_CRIS_16_PCREL: - *(short *) reloc_addr - = value + reloc->r_addend - (Elf32_Addr) reloc_addr - 2; - break; - case R_CRIS_32_PCREL: - *reloc_addr = value + reloc->r_addend - (Elf32_Addr) reloc_addr - 4; - break; -#endif - case R_CRIS_NONE: - break; -#if !defined RTLD_BOOTSTRAP || defined _NDEBUG - default: - _dl_reloc_bad_type (map, r_type, 0); - break; -#endif - } - } -} - -static 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; - *reloc_addr = l_addr + reloc->r_addend; -} - -static inline void -elf_machine_lazy_rel (struct link_map *map, - Elf32_Addr l_addr, const Elf32_Rela *reloc) -{ - Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset); - const unsigned int r_type = ELF32_R_TYPE (reloc->r_info); - if (__builtin_expect (r_type == R_CRIS_JUMP_SLOT, 1)) - *reloc_addr += l_addr; - else - _dl_reloc_bad_type (map, r_type, 1); -} - -#endif /* RESOLVE */ diff --git a/sysdeps/cris/elf/start.S b/sysdeps/cris/elf/start.S deleted file mode 100644 index a3f85bcd01..0000000000 --- a/sysdeps/cris/elf/start.S +++ /dev/null @@ -1,141 +0,0 @@ -/* Startup code compliant to the ELF CRIS ABI (to-be-written). - Copyright (C) 2001, 2002 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> - -/* This is the canonical entry point, usually the first thing in the text - segment. When the entry point runs, most registers' values are - unspecified, except for: - - R10 Contains a function pointer to be registered with `atexit'. - This is how the dynamic linker arranges to have DT_FINI - functions called for shared libraries that have been loaded - before this code runs. - - SP The stack contains the arguments and environment: - [SP] argc - [SP+4] argv[0] - ... - [SP+4*argc] NULL - [SP+4*(argc+1)] envp[0] - ... - NULL -*/ - - .syntax no_register_prefix - - .text - .globl _start - .type _start,@function -_start: - /* Clear the frame pointer, to mark the outermost frame. */ - moveq 0,r8 - - /* Move the shared library termination function to the right place - for __libc_main. */ - move.d r10,r9 - - /* Extract the arguments as encoded on the stack and set up the - arguments for `main': argc, argv. envp will be determined - later in __libc_start_main. */ - - /* Get the argument count. */ - move.d [sp],r11 - - /* Store the stack pointer as end of stack. We overwrite - the incoming argc. */ - move.d sp,[sp] - - /* The argument vector starts just after the argument count. */ - move.d sp,r12 - addq 4,r12 - - /* There are seven arguments to __libc_start_main: - r10: main - Address of it. - r11: argc - r12: argv - r13: init - Function to call. - - [sp]: fini - Function to register with atexit. - [sp+4]: rtld_fini - Another function to register with atexit. - [sp+8]: stack_end - Top of stack (actually same as argv). - - The last two are passed on stack. */ - - /* Store the fini function coming from the dynamic loader. */ - push r9 - - /* Get the addresses of our own entry points to `.fini' and - `.init'. */ - -#ifdef __PIC__ - /* If for some reason this program is compiled as PIC, set up R0. */ - move.d pc,r0 - sub.d .:GOTOFF,r0 - - move.d __libc_csu_init:PLTG,r13 - add.d r0,r13 - move.d __libc_csu_fini:PLTG,r9 - add.d r0,r9 - move.d main:PLTG,r10 - add.d r0,r10 -#else - move.d __libc_csu_init,r13 - move.d __libc_csu_fini,r9 - move.d main,r10 -#endif - push r9 - - /* Call the user's main function, and exit with its value. But - let the libc call main. */ - PLTCALL (__libc_start_main) - - /* Crash if somehow `exit' does return. We have at least 8192 - invalid addresses to choose from. */ - test.d [6502] - - /* Stop the unstoppable. */ -0: - ba 0b - nop - -/* 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/sysdeps/cris/machine-gmon.h b/sysdeps/cris/machine-gmon.h deleted file mode 100644 index 2f36a34d67..0000000000 --- a/sysdeps/cris/machine-gmon.h +++ /dev/null @@ -1,28 +0,0 @@ -/* PowerPC-specific implementation of profiling support. - Copyright (C) 1997, 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -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. FIXME: Just stubs, currently. */ -#define MCOUNT diff --git a/sysdeps/cris/memcopy.h b/sysdeps/cris/memcopy.h deleted file mode 100644 index 134d361217..0000000000 --- a/sysdeps/cris/memcopy.h +++ /dev/null @@ -1,57 +0,0 @@ -/* Copyright (C) 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdeps/generic/memcopy.h> - -/* We override the word-copying macros, partly because misalignment in one - pointer isn't cause for a special function, partly because we want to - get rid of wordcopy.c; these macros are only used in memmove.c (and - it's sibling bcopy) since we have arch-specific mempcpy, memcpy and - memset. */ - -#undef OP_T_THRES -#define OP_T_THRES OPSIZ - -#define WORD_COPY_FWD(dst_bp, src_bp, nbytes_left, nbytes) \ - do \ - { \ - unsigned long enddst_bp = dst_bp + nbytes - (nbytes % OPSIZ); \ - nbytes_left = (nbytes % OPSIZ); \ - while (dst_bp < (unsigned long) enddst_bp) \ - { \ - op_t x = *(op_t *) src_bp; \ - src_bp += sizeof x; \ - *(op_t *) dst_bp = x; \ - dst_bp += sizeof x; \ - } \ - } while (0) - -#define WORD_COPY_BWD(dst_bp, src_bp, nbytes_left, nbytes) \ - do \ - { \ - unsigned long enddst_bp = dst_bp - nbytes + (nbytes % OPSIZ); \ - nbytes_left = (nbytes % OPSIZ); \ - while (dst_bp > enddst_bp) \ - { \ - op_t x; \ - src_bp -= sizeof x; \ - x = *(op_t *) src_bp; \ - dst_bp -= sizeof x; \ - *(op_t *) dst_bp = x; \ - } \ - } while (0) diff --git a/sysdeps/cris/memusage.h b/sysdeps/cris/memusage.h deleted file mode 100644 index 58b57ff370..0000000000 --- a/sysdeps/cris/memusage.h +++ /dev/null @@ -1,27 +0,0 @@ -/* Copyright (C) 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* No asm variables, just for reasons of solid healthy paranoia. */ -#define GETSP() \ - ({ \ - uintptr_t stack_ptr; \ - __asm__ ("move.d $sp,%0" : "=rm" (stack_ptr)); \ - stack_ptr; \ - }) - -#include <sysdeps/generic/memusage.h> diff --git a/sysdeps/cris/setjmp.S b/sysdeps/cris/setjmp.S deleted file mode 100644 index c5a512f49b..0000000000 --- a/sysdeps/cris/setjmp.S +++ /dev/null @@ -1,66 +0,0 @@ -/* setjmp for CRIS. - Copyright (C) 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#define _SETJMP_H -#define _ASM -#include <bits/setjmp.h> - - .syntax no_register_prefix - -ENTRY (__sigsetjmp) -.Local__sigsetjmp: - moveq 1,r9 - movem sp,[r10+1*4] -#ifdef __PIC__ - move.d pc,r9 - addq 0f-.,r9 -#else - move.d 0f,r9 -#endif - move.d r9,[r10] - move srp,[r10+16*4] - move ccr,[r10+17*4] - PLTJUMP (__sigjmp_save) -0: /* This is where longjmp returns. (Don't use "ret" - it's a macro. */ - Ret - move.d r9,r10 -END (__sigsetjmp) - -/* Binary compatibility entry points. Having these in separate files - is not meaningful and just adds library overhead. */ - -ENTRY (__setjmp) - ba .Local__sigsetjmp - moveq 0,r11 -END (__setjmp) - -ENTRY (_setjmp) - ba .Local__sigsetjmp - moveq 0,r11 -END (_setjmp) - -ENTRY (setjmp) - ba .Local__sigsetjmp - moveq 1,r11 -END (setjmp) - -weak_extern (__setjmp) -weak_extern (_setjmp) -weak_extern (setjmp) diff --git a/sysdeps/cris/stackinfo.h b/sysdeps/cris/stackinfo.h deleted file mode 100644 index 43c944834f..0000000000 --- a/sysdeps/cris/stackinfo.h +++ /dev/null @@ -1,28 +0,0 @@ -/* Copyright (C) 2002 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* This file contains a bit of information about the stack allocation - of the processor. */ - -#ifndef _STACKINFO_H -#define _STACKINFO_H 1 - -/* On cris the stack grows down. */ -#define _STACK_GROWS_DOWN 1 - -#endif /* stackinfo.h */ diff --git a/sysdeps/cris/sysdep.h b/sysdeps/cris/sysdep.h deleted file mode 100644 index 913d5ad9b7..0000000000 --- a/sysdeps/cris/sysdep.h +++ /dev/null @@ -1,114 +0,0 @@ -/* Assembler macros for CRIS. - Copyright (C) 1999, 2000, 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdeps/generic/sysdep.h> - -#ifndef HAVE_ELF -# error ELF is assumed. Generalize the code and retry. -#endif - -#ifndef NO_UNDERSCORES -# error User-label prefix (underscore) assumed absent. Generalize the code and retry. -#endif - -#ifdef __ASSEMBLER__ - -/* Syntactic details of assembly-code. */ - -/* It is *not* generally true that "ELF uses byte-counts for .align, most - others use log2 of count of bytes", like some neighboring configs say. - See "align" in gas/read.c which is not overridden by - gas/config/obj-elf.c. It takes a log2 argument. *Some* targets - override it to take a byte argument. People should read source instead - of relying on hearsay. */ -# define ALIGNARG(log2) log2 - -# define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg -# define ASM_SIZE_DIRECTIVE(name) .size name,.-name - -/* The non-PIC jump is preferred, since it does not stall, and does not - invoke generation of a PLT. These macros assume that $r0 is set up as - GOT register. */ -# ifdef __PIC__ -# define PLTJUMP(_x) \ - add.d C_SYMBOL_NAME (_x):PLT,$pc - -# define PLTCALL(_x) \ - move.d C_SYMBOL_NAME (_x):PLTG,$r9 @ \ - add.d $r0,$r9 @ \ - jsr $r9 - -# define SETUP_PIC \ - push $r0 @ \ - move.d $pc,$r0 @ \ - sub.d .:GOTOFF,$r0 - -# define TEARDOWN_PIC pop $r0 -# else -# define PLTJUMP(_x) jump C_SYMBOL_NAME (_x) -# define PLTCALL(_x) jsr C_SYMBOL_NAME (_x) -# define SETUP_PIC -# define TEARDOWN_PIC -# endif - -/* Define an entry point visible from C. */ -# define ENTRY(name) \ - .text @ \ - ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME (name) @ \ - ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME (name), function) @ \ - .align ALIGNARG (2) @ \ - C_LABEL(name) @ \ - CALL_MCOUNT - -# undef END -# define END(name) \ - ASM_SIZE_DIRECTIVE (C_SYMBOL_NAME (name)) - -/* If compiled for profiling, call `mcount' at the start of each function. - FIXME: Note that profiling is not actually implemented. This is just - example code which might not even compile, though it is believed to be - correct. */ -# ifdef PROF -# define CALL_MCOUNT \ - push $srp @ \ - push $r9 @ \ - push $r10 @ \ - push $r11 @ \ - push $r12 @ \ - push $r13 @ \ - SETUP_PIC @ \ - PLTCALL (mcount) @ \ - TEARDOWN_PIC @ \ - pop $r13 @ \ - pop $r12 @ \ - pop $r11 @ \ - pop $r10 @ \ - pop $r9 @ \ - pop $srp -# 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 - -#endif /* __ASSEMBLER__ */ diff --git a/sysdeps/cris/wordcopy.c b/sysdeps/cris/wordcopy.c deleted file mode 100644 index 6525e9f035..0000000000 --- a/sysdeps/cris/wordcopy.c +++ /dev/null @@ -1 +0,0 @@ -/* Empty; not needed. */ |