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* sysdeps/mips/bits/setjmp.h: Store all N32 and N64 registers, including pc, gp, sp and fp, as long long. * sysdeps/mips/mips64/setjmp.S: Pass gp to __sigsetjmp_aux. * sysdeps/mips/mips64/setjmp_aux.c: Adjust type of arguments. Add gp argument, and set gp in the jmpbuf to it. * sysdeps/mips/setjmp_aux.c: Revert to o32-only.
2003-03-20 Alexandre Oliva <aoliva@redhat.com> * sysdeps/mips/bits/setjmp.h: Store all N32 and N64 registers, including pc, gp, sp and fp, as long long. * sysdeps/mips/mips64/setjmp.S: Pass gp to __sigsetjmp_aux. * sysdeps/mips/mips64/setjmp_aux.c: Adjust type of arguments. Add gp argument, and set gp in the jmpbuf to it. * sysdeps/mips/setjmp_aux.c: Revert to o32-only.
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Alexandre Oliva
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@ -1,3 +1,12 @@
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2003-03-20 Alexandre Oliva <aoliva@redhat.com>
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* sysdeps/mips/bits/setjmp.h: Store all N32 and N64 registers,
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including pc, gp, sp and fp, as long long.
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* sysdeps/mips/mips64/setjmp.S: Pass gp to __sigsetjmp_aux.
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* sysdeps/mips/mips64/setjmp_aux.c: Adjust type of arguments.
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Add gp argument, and set gp in the jmpbuf to it.
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* sysdeps/mips/setjmp_aux.c: Revert to o32-only.
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2003-03-20 Ulrich Drepper <drepper@redhat.com>
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* include/atomic.h: Define atomic_exchange and
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@ -24,6 +24,7 @@
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typedef struct
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{
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#if _MIPS_SIM == _MIPS_SIM_ABI32
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/* Program counter. */
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__ptr_t __pc;
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@ -31,17 +32,29 @@ typedef struct
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__ptr_t __sp;
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/* Callee-saved registers s0 through s7. */
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#if _MIPS_SIM == _MIPS_SIM_ABI32
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int __regs[8];
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#else
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__extension__ long long __regs[8];
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#endif
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/* The frame pointer. */
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__ptr_t __fp;
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/* The global pointer. */
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__ptr_t __gp;
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#else
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/* Program counter. */
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__extension__ long long __pc;
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/* Stack pointer. */
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__extension__ long long __sp;
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/* Callee-saved registers s0 through s7. */
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__extension__ long long __regs[8];
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/* The frame pointer. */
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__extension__ long long __fp;
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/* The global pointer. */
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__extension__ long long __gp;
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#endif
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/* Floating point status register. */
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int __fpc_csr;
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@ -37,5 +37,8 @@ ENTRY (__sigsetjmp)
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nop
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#endif
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RESTORE_GP64
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#if _MIPS_SIM != _MIPS_SIM_ABI32
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move a4, gp
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#endif
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jr t9
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.end __sigsetjmp
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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/* Copyright (C) 1996, 1997, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Brendan Kehoe (brendan@zen.org).
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@ -25,7 +25,8 @@
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access them in C. */
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int
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__sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp)
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__sigsetjmp_aux (jmp_buf env, int savemask, long long sp, long long fp,
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long long gp)
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{
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/* Store the floating point callee-saved registers... */
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asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
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@ -47,7 +48,7 @@ __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp)
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env[0].__jmpbuf[0].__fp = fp;
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/* .. and the GP; */
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asm volatile ("sd $gp, %0" : : "m" (env[0].__jmpbuf[0].__gp));
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env[0].__jmpbuf[0].__gp = gp;
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/* .. and the callee-saved registers; */
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asm volatile ("sd $16, %0" : : "m" (env[0].__jmpbuf[0].__regs[0]));
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@ -18,11 +18,6 @@
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02111-1307 USA. */
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#include <setjmp.h>
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#include <sys/asm.h>
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#define STRINGXP(X) __STRING(X)
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#define REGS STRINGXP(REG_S)
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#define PTRS STRINGXP(PTR_S)
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/* This function is only called via the assembly language routine
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__sigsetjmp, which arranges to pass in the stack pointer and the frame
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@ -33,26 +28,15 @@ int
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__sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp)
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{
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/* Store the floating point callee-saved registers... */
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#if _MIPS_SIM == _MIPS_SIM_ABI32
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asm volatile ("s.d $f20, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
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asm volatile ("s.d $f22, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
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asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
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asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[3]));
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asm volatile ("s.d $f28, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[4]));
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asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
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#else
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asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
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asm volatile ("s.d $f25, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
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asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
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asm volatile ("s.d $f27, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[3]));
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asm volatile ("s.d $f28, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[4]));
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asm volatile ("s.d $f29, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
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asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[6]));
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asm volatile ("s.d $f31, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[7]));
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#endif
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/* .. and the PC; */
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asm volatile (PTRS " $31, %0" : : "m" (env[0].__jmpbuf[0].__pc));
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asm volatile ("sw $31, %0" : : "m" (env[0].__jmpbuf[0].__pc));
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/* .. and the stack pointer; */
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env[0].__jmpbuf[0].__sp = (void *) sp;
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@ -61,17 +45,17 @@ __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp)
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env[0].__jmpbuf[0].__fp = (void *) fp;
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/* .. and the GP; */
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asm volatile (PTRS " $gp, %0" : : "m" (env[0].__jmpbuf[0].__gp));
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asm volatile ("sw $gp, %0" : : "m" (env[0].__jmpbuf[0].__gp));
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/* .. and the callee-saved registers; */
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asm volatile (REGS " $16, %0" : : "m" (env[0].__jmpbuf[0].__regs[0]));
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asm volatile (REGS " $17, %0" : : "m" (env[0].__jmpbuf[0].__regs[1]));
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asm volatile (REGS " $18, %0" : : "m" (env[0].__jmpbuf[0].__regs[2]));
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asm volatile (REGS " $19, %0" : : "m" (env[0].__jmpbuf[0].__regs[3]));
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asm volatile (REGS " $20, %0" : : "m" (env[0].__jmpbuf[0].__regs[4]));
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asm volatile (REGS " $21, %0" : : "m" (env[0].__jmpbuf[0].__regs[5]));
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asm volatile (REGS " $22, %0" : : "m" (env[0].__jmpbuf[0].__regs[6]));
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asm volatile (REGS " $23, %0" : : "m" (env[0].__jmpbuf[0].__regs[7]));
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asm volatile ("sw $16, %0" : : "m" (env[0].__jmpbuf[0].__regs[0]));
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asm volatile ("sw $17, %0" : : "m" (env[0].__jmpbuf[0].__regs[1]));
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asm volatile ("sw $18, %0" : : "m" (env[0].__jmpbuf[0].__regs[2]));
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asm volatile ("sw $19, %0" : : "m" (env[0].__jmpbuf[0].__regs[3]));
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asm volatile ("sw $20, %0" : : "m" (env[0].__jmpbuf[0].__regs[4]));
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asm volatile ("sw $21, %0" : : "m" (env[0].__jmpbuf[0].__regs[5]));
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asm volatile ("sw $22, %0" : : "m" (env[0].__jmpbuf[0].__regs[6]));
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asm volatile ("sw $23, %0" : : "m" (env[0].__jmpbuf[0].__regs[7]));
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/* .. and finally get and reconstruct the floating point csr. */
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asm ("cfc1 %0, $31" : "=r" (env[0].__jmpbuf[0].__fpc_csr));
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