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| author | Eric Andersen <andersen@codepoet.org> | 2006-11-04 19:50:20 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2006-11-04 19:50:20 +0000 |
| commit | cb12600bc59ec9211ecb5be3083e66f7c6c6d9ef (patch) | |
| tree | ad8ca820494baaeaada85b9d30a702d68b461936 /libc/sysdeps/linux/mips/setjmp_aux.c | |
| parent | 141da0f0b098b17499c6c6e02a7d2cacc1d6d3ba (diff) | |
mips64 patch from Atsushi Nemoto:
The mips64 N32/N64 ABI have a bit different register usage convention.
Also the register size for these ABI is 8 byte. Use ld/sd for them.
Diffstat (limited to 'libc/sysdeps/linux/mips/setjmp_aux.c')
| -rw-r--r-- | libc/sysdeps/linux/mips/setjmp_aux.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/setjmp_aux.c b/libc/sysdeps/linux/mips/setjmp_aux.c index 166eb7eb1..7158f87a9 100644 --- a/libc/sysdeps/linux/mips/setjmp_aux.c +++ b/libc/sysdeps/linux/mips/setjmp_aux.c @@ -19,6 +19,8 @@ #include <features.h> #include <setjmp.h> +#include <sgidefs.h> +#include <sys/asm.h> /* This function is only called via the assembly language routine __sigsetjmp, which arranges to pass in the stack pointer and the frame @@ -28,20 +30,39 @@ extern int __sigjmp_save (sigjmp_buf, int); int +#if _MIPS_SIM == _MIPS_SIM_ABI64 +__sigsetjmp_aux (jmp_buf env, int savemask, long sp, long fp) +#else /* O32 || N32 */ __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp) +#endif /* O32 || N32 */ { #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ /* Store the floating point callee-saved registers... */ +#if _MIPS_SIM == _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 /* O32 || N32 */ 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 /* O32 || N32 */ #endif /* .. and the PC; */ +#if _MIPS_SIM == _MIPS_SIM_ABI64 + asm volatile ("sd $31, %0" : : "m" (env[0].__jmpbuf[0].__pc)); +#else asm volatile ("sw $31, %0" : : "m" (env[0].__jmpbuf[0].__pc)); +#endif /* .. and the stack pointer; */ env[0].__jmpbuf[0].__sp = (void *) sp; @@ -50,9 +71,14 @@ __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp) env[0].__jmpbuf[0].__fp = (void *) fp; /* .. and the GP; */ +#if _MIPS_SIM == _MIPS_SIM_ABI64 + asm volatile ("sd $gp, %0" : : "m" (env[0].__jmpbuf[0].__gp)); +#else asm volatile ("sw $gp, %0" : : "m" (env[0].__jmpbuf[0].__gp)); +#endif /* .. and the callee-saved registers; */ +#if (_MIPS_SIM == _MIPS_SIM_ABI32) asm volatile ("sw $16, %0" : : "m" (env[0].__jmpbuf[0].__regs[0])); asm volatile ("sw $17, %0" : : "m" (env[0].__jmpbuf[0].__regs[1])); asm volatile ("sw $18, %0" : : "m" (env[0].__jmpbuf[0].__regs[2])); @@ -61,6 +87,16 @@ __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp) asm volatile ("sw $21, %0" : : "m" (env[0].__jmpbuf[0].__regs[5])); asm volatile ("sw $22, %0" : : "m" (env[0].__jmpbuf[0].__regs[6])); asm volatile ("sw $23, %0" : : "m" (env[0].__jmpbuf[0].__regs[7])); +#else /* N32 || N64 */ + 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])); +#endif /* N32 || N64 */ #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ /* .. and finally get and reconstruct the floating point csr. */ |