diff options
Diffstat (limited to 'sysdeps/unix/mips')
| -rw-r--r-- | sysdeps/unix/mips/entry.h | 5 | ||||
| -rw-r--r-- | sysdeps/unix/mips/mips32/sysdep.h | 56 | ||||
| -rw-r--r-- | sysdeps/unix/mips/mips64/n32/sysdep.h | 64 | ||||
| -rw-r--r-- | sysdeps/unix/mips/mips64/n64/sysdep.h | 64 | ||||
| -rw-r--r-- | sysdeps/unix/mips/pipe.S | 32 | ||||
| -rw-r--r-- | sysdeps/unix/mips/rt-sysdep.S | 1 | ||||
| -rw-r--r-- | sysdeps/unix/mips/sysdep.S | 100 | ||||
| -rw-r--r-- | sysdeps/unix/mips/sysdep.h | 81 |
8 files changed, 403 insertions, 0 deletions
diff --git a/sysdeps/unix/mips/entry.h b/sysdeps/unix/mips/entry.h new file mode 100644 index 0000000000..04d05d2b0a --- /dev/null +++ b/sysdeps/unix/mips/entry.h @@ -0,0 +1,5 @@ +#ifndef __ASSEMBLY__ +extern void __start (void); +#endif + +#define ENTRY_POINT __start diff --git a/sysdeps/unix/mips/mips32/sysdep.h b/sysdeps/unix/mips/mips32/sysdep.h new file mode 100644 index 0000000000..1a2431c8ee --- /dev/null +++ b/sysdeps/unix/mips/mips32/sysdep.h @@ -0,0 +1,56 @@ +/* Copyright (C) 1992-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Brendan Kehoe (brendan@zen.org). + + 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/unix/mips/sysdep.h> + +/* Note that while it's better structurally, going back to call __syscall_error + can make things confusing if you're debugging---it looks like it's jumping + backwards into the previous fn. */ +#ifdef __PIC__ +#define PSEUDO(name, syscall_name, args) \ + .align 2; \ + .set nomips16; \ + cfi_startproc; \ + 99: la t9,__syscall_error; \ + jr t9; \ + cfi_endproc; \ + ENTRY(name) \ + .set noreorder; \ + .cpload t9; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#else +#define PSEUDO(name, syscall_name, args) \ + .set noreorder; \ + .set nomips16; \ + .align 2; \ + cfi_startproc; \ + 99: j __syscall_error; \ + nop; \ + cfi_endproc; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#endif diff --git a/sysdeps/unix/mips/mips64/n32/sysdep.h b/sysdeps/unix/mips/mips64/n32/sysdep.h new file mode 100644 index 0000000000..a8700271dc --- /dev/null +++ b/sysdeps/unix/mips/mips64/n32/sysdep.h @@ -0,0 +1,64 @@ +/* Copyright (C) 1992-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + + 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/unix/mips/sysdep.h> + +#ifdef __ASSEMBLER__ + +/* Note that while it's better structurally, going back to call __syscall_error + can make things confusing if you're debugging---it looks like it's jumping + backwards into the previous fn. */ +#ifdef __PIC__ +#define PSEUDO(name, syscall_name, args) \ + .align 2; \ + .set nomips16; \ + cfi_startproc; \ + 99:; \ + .set noat; \ + .cpsetup t9, $1, name; \ + cfi_register (gp, $1); \ + .set at; \ + la t9,__syscall_error; \ + .cpreturn; \ + cfi_restore (gp); \ + jr t9; \ + cfi_endproc; \ + ENTRY(name) \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + bne a3, zero, 99b; \ +L(syse1): +#else +#define PSEUDO(name, syscall_name, args) \ + .set noreorder; \ + .align 2; \ + .set nomips16; \ + cfi_startproc; \ + 99: j __syscall_error; \ + nop; \ + cfi_endproc; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#endif + +#endif diff --git a/sysdeps/unix/mips/mips64/n64/sysdep.h b/sysdeps/unix/mips/mips64/n64/sysdep.h new file mode 100644 index 0000000000..ac00289140 --- /dev/null +++ b/sysdeps/unix/mips/mips64/n64/sysdep.h @@ -0,0 +1,64 @@ +/* Copyright (C) 1992-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + + 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/unix/mips/sysdep.h> + +#ifdef __ASSEMBLER__ + +/* Note that while it's better structurally, going back to call __syscall_error + can make things confusing if you're debugging---it looks like it's jumping + backwards into the previous fn. */ +#ifdef __PIC__ +#define PSEUDO(name, syscall_name, args) \ + .align 2; \ + .set nomips16; \ + cfi_startproc; \ + 99:; \ + .set noat; \ + .cpsetup t9, $1, name; \ + cfi_register (gp, $1); \ + .set at; \ + dla t9,__syscall_error; \ + .cpreturn; \ + cfi_restore (gp); \ + jr t9; \ + cfi_endproc; \ + ENTRY(name) \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + bne a3, zero, 99b; \ +L(syse1): +#else +#define PSEUDO(name, syscall_name, args) \ + .set noreorder; \ + .align 2; \ + .set nomips16; \ + cfi_startproc; \ + 99: j __syscall_error; \ + nop; \ + cfi_endproc; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#endif + +#endif diff --git a/sysdeps/unix/mips/pipe.S b/sysdeps/unix/mips/pipe.S new file mode 100644 index 0000000000..bed2f75e93 --- /dev/null +++ b/sysdeps/unix/mips/pipe.S @@ -0,0 +1,32 @@ +/* Copyright (C) 1992-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Brendan Kehoe (brendan@zen.org). + + 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> + +SYSCALL__ (pipe, 1) + /* Plop in the two descriptors. */ + sw v0, 0(a0) + sw v1, 4(a0) + + /* Go out with a clean status. */ + move v0, zero + j ra +PSEUDO_END(__pipe) + +libc_hidden_def (__pipe) +weak_alias (__pipe, pipe) diff --git a/sysdeps/unix/mips/rt-sysdep.S b/sysdeps/unix/mips/rt-sysdep.S new file mode 100644 index 0000000000..f966bf1e59 --- /dev/null +++ b/sysdeps/unix/mips/rt-sysdep.S @@ -0,0 +1 @@ +#include <sysdep.S> diff --git a/sysdeps/unix/mips/sysdep.S b/sysdeps/unix/mips/sysdep.S new file mode 100644 index 0000000000..4a01c5f63f --- /dev/null +++ b/sysdeps/unix/mips/sysdep.S @@ -0,0 +1,100 @@ +/* Copyright (C) 1992-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Brendan Kehoe (brendan@zen.org). + + 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> +#define _ERRNO_H +#include <bits/errno.h> +#include <sys/asm.h> + + .set nomips16 + +#ifdef _LIBC_REENTRANT + +LOCALSZ= 3 +FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK +RAOFF= FRAMESZ-(1*SZREG) +GPOFF= FRAMESZ-(2*SZREG) +V0OFF= FRAMESZ-(3*SZREG) + +ENTRY(__syscall_error) +#ifdef __PIC__ + .set noat + SETUP_GPX (AT) + .set at +#endif + PTR_SUBU sp, FRAMESZ + .set noat + SETUP_GPX64(GPOFF,AT) + .set at +#ifdef __PIC__ + SAVE_GP(GPOFF) +#endif + REG_S v0, V0OFF(sp) + REG_S ra, RAOFF(sp) + +#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN + /* We translate the system's EWOULDBLOCK error into EAGAIN. + The GNU C library always defines EWOULDBLOCK==EAGAIN. + EWOULDBLOCK_sys is the original number. */ + bne v0, EWOULDBLOCK_sys, L(skip) + nop + li v0, EAGAIN +L(skip): +#endif + /* Find our per-thread errno address */ + jal __errno_location + + /* Store the error value. */ + REG_L t0, V0OFF(sp) + sw t0, 0(v0) + + /* And just kick back a -1. */ + REG_L ra, RAOFF(sp) + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ + li v0, -1 + j ra + END(__syscall_error) + +#else /* _LIBC_REENTRANT */ + + +ENTRY(__syscall_error) +#ifdef __PIC__ + SETUP_GPX (AT) +#endif + SETUP_GPX64 (t9, AT) + +#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN + /* We translate the system's EWOULDBLOCK error into EAGAIN. + The GNU C library always defines EWOULDBLOCK==EAGAIN. + EWOULDBLOCK_sys is the original number. */ + bne v0, EWOULDBLOCK_sys, L(skip) + li v0, EAGAIN +L(skip): +#endif + /* Store it in errno... */ + sw v0, errno + + /* And just kick back a -1. */ + li v0, -1 + + RESTORE_GP64 + j ra + END(__syscall_error) +#endif /* _LIBC_REENTRANT */ diff --git a/sysdeps/unix/mips/sysdep.h b/sysdeps/unix/mips/sysdep.h new file mode 100644 index 0000000000..d59fac0e8d --- /dev/null +++ b/sysdeps/unix/mips/sysdep.h @@ -0,0 +1,81 @@ +/* Copyright (C) 1992-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Brendan Kehoe (brendan@zen.org). + + 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 <sgidefs.h> +#include <sysdeps/unix/sysdep.h> + +#ifdef __ASSEMBLER__ + +#include <regdef.h> + +#define ENTRY(name) \ + .globl name; \ + .align 2; \ + .ent name,0; \ + name##: \ + cfi_startproc; + +#undef END +#define END(function) \ + cfi_endproc; \ + .end function; \ + .size function,.-function + +#define ret j ra ; nop + +#undef PSEUDO_END +#define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym + +#define PSEUDO_NOERRNO(name, syscall_name, args) \ + .align 2; \ + ENTRY(name) \ + .set nomips16; \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall + +#undef PSEUDO_END_NOERRNO +#define PSEUDO_END_NOERRNO(sym) cfi_endproc; .end sym; .size sym,.-sym + +#define ret_NOERRNO ret + +#define PSEUDO_ERRVAL(name, syscall_name, args) \ + .align 2; \ + ENTRY(name) \ + .set nomips16; \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall + +#undef PSEUDO_END_ERRVAL +#define PSEUDO_END_ERRVAL(sym) cfi_endproc; .end sym; .size sym,.-sym + +#define ret_ERRVAL ret + +#define r0 v0 +#define r1 v1 +/* The mips move insn is d,s. */ +#define MOVE(x,y) move y , x + +#if _MIPS_SIM == _ABIO32 +# define L(label) $L ## label +#else +# define L(label) .L ## label +#endif + +#endif |