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glibc  2.9
Functions
setjmp_aux.c File Reference
#include <setjmp.h>
#include <sgidefs.h>

Go to the source code of this file.

Functions

int __sigsetjmp_aux (jmp_buf env, int savemask, long long sp, long long fp, long long gp)

Function Documentation

int __sigsetjmp_aux ( jmp_buf  env,
int  savemask,
long long  sp,
long long  fp,
long long  gp 
)

Definition at line 29 of file setjmp_aux.c.

{
#ifdef __mips_hard_float
  /* Store the floating point callee-saved registers...  */
#if _MIPS_SIM == _ABI64
  asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
  asm volatile ("s.d $f25, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
  asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
  asm volatile ("s.d $f27, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[3]));
  asm volatile ("s.d $f28, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[4]));
  asm volatile ("s.d $f29, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
  asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[6]));
  asm volatile ("s.d $f31, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[7]));
#else
  asm volatile ("s.d $f20, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
  asm volatile ("s.d $f22, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
  asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
  asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[3]));
  asm volatile ("s.d $f28, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[4]));
  asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
#endif
#endif

  /* .. and the PC;  */
  asm volatile ("sd $31, %0" : : "m" (env[0].__jmpbuf[0].__pc));

  /* .. and the stack pointer;  */
  env[0].__jmpbuf[0].__sp = sp;

  /* .. and the FP; it'll be in s8. */
  env[0].__jmpbuf[0].__fp = fp;

  /* .. and the GP; */
  env[0].__jmpbuf[0].__gp = gp;

  /* .. and the callee-saved registers; */
  asm volatile ("sd $16, %0" : : "m" (env[0].__jmpbuf[0].__regs[0]));
  asm volatile ("sd $17, %0" : : "m" (env[0].__jmpbuf[0].__regs[1]));
  asm volatile ("sd $18, %0" : : "m" (env[0].__jmpbuf[0].__regs[2]));
  asm volatile ("sd $19, %0" : : "m" (env[0].__jmpbuf[0].__regs[3]));
  asm volatile ("sd $20, %0" : : "m" (env[0].__jmpbuf[0].__regs[4]));
  asm volatile ("sd $21, %0" : : "m" (env[0].__jmpbuf[0].__regs[5]));
  asm volatile ("sd $22, %0" : : "m" (env[0].__jmpbuf[0].__regs[6]));
  asm volatile ("sd $23, %0" : : "m" (env[0].__jmpbuf[0].__regs[7]));

#ifdef __mips_hard_float
  /* .. and finally get and reconstruct the floating point csr.  */
  asm ("cfc1 %0, $31" : "=r" (env[0].__jmpbuf[0].__fpc_csr));
#endif

  /* Save the signal mask if requested.  */
  return __sigjmp_save (env, savemask);
}

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