4947b4b20f
2003-03-17 Alexandre Oliva <aoliva@redhat.com> * sysdeps/mips/bits/wordsize.h: New file, appropriate for all 3 ABIs. * sysdeps/mips/mips64/gmp-mparam.h: New file. Define BITS_PER_LONGINT to __WORDSIZE, to match all 3 ABIs. * sysdeps/mips/setjmp_aux.c (STRINGXP, REGS, PTRS): New macros. (__sigsetjmp_aux): Use them. Adjust for all 3 ABIs. * sysdeps/mips/elf/start.S: Adjust for all 3 ABIs. * sysdeps/unix/mips/brk.S: Likewise. * sysdeps/unix/mips/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/mips/clone.S: Likewise. * sysdeps/mips/bits/setjmp.h (__jmp_buf): Likewise. * sysdeps/mips/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/profcs.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/mips/kernel_stat.h: Likewise. * sysdeps/mips/mips64/bsd-_setjmp.S: Likewise. * sysdeps/mips/mips64/bsd-setjmp.S: Likewise. * sysdeps/mips/mips64/setjmp.S: Likewise. * sysdeps/mips/mips64/bits/setjmp.h: Deleted, obsolete. * sysdeps/mips/mips64/soft-fp/sfp-machine.h: Use long long for 64-bit types.
82 lines
3.6 KiB
C
82 lines
3.6 KiB
C
/* Copyright (C) 1996, 1997, 2000, 2002, 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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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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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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pointer. We do things this way because it's difficult to reliably
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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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{
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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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/* .. and the stack pointer; */
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env[0].__jmpbuf[0].__sp = (void *) sp;
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/* .. and the FP; it'll be in s8. */
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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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/* .. 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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/* .. 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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/* Save the signal mask if requested. */
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return __sigjmp_save (env, savemask);
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}
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