From cb12600bc59ec9211ecb5be3083e66f7c6c6d9ef Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Sat, 4 Nov 2006 19:50:20 +0000 Subject: 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. --- libc/sysdeps/linux/mips/__longjmp.c | 42 +++++++++++++++++++++++++++++++++++ libc/sysdeps/linux/mips/bits/setjmp.h | 10 +++++++++ libc/sysdeps/linux/mips/bsd-_setjmp.S | 7 ++++++ libc/sysdeps/linux/mips/bsd-setjmp.S | 7 ++++++ libc/sysdeps/linux/mips/setjmp.S | 10 ++++++++- libc/sysdeps/linux/mips/setjmp_aux.c | 36 ++++++++++++++++++++++++++++++ 6 files changed, 111 insertions(+), 1 deletion(-) (limited to 'libc') diff --git a/libc/sysdeps/linux/mips/__longjmp.c b/libc/sysdeps/linux/mips/__longjmp.c index ee9c455cc..9dc09f27a 100644 --- a/libc/sysdeps/linux/mips/__longjmp.c +++ b/libc/sysdeps/linux/mips/__longjmp.c @@ -20,6 +20,7 @@ #include #include #include +#include #ifndef __GNUC__ #error This file uses GNU C extensions; you must compile with GCC. @@ -38,12 +39,23 @@ void __longjmp (__jmp_buf env, int val_arg) /* Pull back the floating point callee-saved registers. */ #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ +#if _MIPS_SIM == _MIPS_SIM_ABI64 + __asm__ __volatile__ ("l.d $f24, %0" : : "m" (env[0].__fpregs[0])); + __asm__ __volatile__ ("l.d $f25, %0" : : "m" (env[0].__fpregs[1])); + __asm__ __volatile__ ("l.d $f26, %0" : : "m" (env[0].__fpregs[2])); + __asm__ __volatile__ ("l.d $f27, %0" : : "m" (env[0].__fpregs[3])); + __asm__ __volatile__ ("l.d $f28, %0" : : "m" (env[0].__fpregs[4])); + __asm__ __volatile__ ("l.d $f29, %0" : : "m" (env[0].__fpregs[5])); + __asm__ __volatile__ ("l.d $f30, %0" : : "m" (env[0].__fpregs[6])); + __asm__ __volatile__ ("l.d $f31, %0" : : "m" (env[0].__fpregs[7])); +#else /* O32 || N32 */ __asm__ __volatile__ ("l.d $f20, %0" : : "m" (env[0].__fpregs[0])); __asm__ __volatile__ ("l.d $f22, %0" : : "m" (env[0].__fpregs[1])); __asm__ __volatile__ ("l.d $f24, %0" : : "m" (env[0].__fpregs[2])); __asm__ __volatile__ ("l.d $f26, %0" : : "m" (env[0].__fpregs[3])); __asm__ __volatile__ ("l.d $f28, %0" : : "m" (env[0].__fpregs[4])); __asm__ __volatile__ ("l.d $f30, %0" : : "m" (env[0].__fpregs[5])); +#endif /* O32 || N32 */ /* Get and reconstruct the floating point csr. */ __asm__ __volatile__ ("lw $2, %0" : : "m" (env[0].__fpc_csr)); @@ -51,9 +63,14 @@ void __longjmp (__jmp_buf env, int val_arg) #endif /* Get the GP. */ +#if _MIPS_SIM == _MIPS_SIM_ABI64 + __asm__ __volatile__ ("ld $gp, %0" : : "m" (env[0].__gp)); +#else /* O32 || N32 */ __asm__ __volatile__ ("lw $gp, %0" : : "m" (env[0].__gp)); +#endif /* O32 || N32 */ /* Get the callee-saved registers. */ +#if _MIPS_SIM == _MIPS_SIM_ABI32 __asm__ __volatile__ ("lw $16, %0" : : "m" (env[0].__regs[0])); __asm__ __volatile__ ("lw $17, %0" : : "m" (env[0].__regs[1])); __asm__ __volatile__ ("lw $18, %0" : : "m" (env[0].__regs[2])); @@ -62,15 +79,36 @@ void __longjmp (__jmp_buf env, int val_arg) __asm__ __volatile__ ("lw $21, %0" : : "m" (env[0].__regs[5])); __asm__ __volatile__ ("lw $22, %0" : : "m" (env[0].__regs[6])); __asm__ __volatile__ ("lw $23, %0" : : "m" (env[0].__regs[7])); +#else /* N32 || N64 */ + __asm__ __volatile__ ("ld $16, %0" : : "m" (env[0].__regs[0])); + __asm__ __volatile__ ("ld $17, %0" : : "m" (env[0].__regs[1])); + __asm__ __volatile__ ("ld $18, %0" : : "m" (env[0].__regs[2])); + __asm__ __volatile__ ("ld $19, %0" : : "m" (env[0].__regs[3])); + __asm__ __volatile__ ("ld $20, %0" : : "m" (env[0].__regs[4])); + __asm__ __volatile__ ("ld $21, %0" : : "m" (env[0].__regs[5])); + __asm__ __volatile__ ("ld $22, %0" : : "m" (env[0].__regs[6])); + __asm__ __volatile__ ("ld $23, %0" : : "m" (env[0].__regs[7])); +#endif /* N32 || N64 */ /* Get the PC. */ +#if _MIPS_SIM == _MIPS_SIM_ABI32 __asm__ __volatile__ ("lw $25, %0" : : "m" (env[0].__pc)); +#elif _MIPS_SIM == _MIPS_SIM_NABI32 + __asm__ __volatile__ ("lw $31, %0" : : "m" (env[0].__pc)); +#else /* N64 */ + __asm__ __volatile__ ("ld $31, %0" : : "m" (env[0].__pc)); +#endif /* N64 */ /* Restore the stack pointer and the FP. They have to be restored last and in a single asm as gcc, depending on options used, may use either of them to access env. */ +#if _MIPS_SIM == _MIPS_SIM_ABI64 + __asm__ __volatile__ ("ld $29, %0\n\t" + "ld $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp)); +#else /* O32 || N32 */ __asm__ __volatile__ ("lw $29, %0\n\t" "lw $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp)); +#endif /* O32 || N32 */ /* Give setjmp 1 if given a 0, or what they gave us if non-zero. */ if (val == 0) @@ -78,7 +116,11 @@ void __longjmp (__jmp_buf env, int val_arg) else __asm__ __volatile__ ("move $2, %0" : : "r" (val)); +#if _MIPS_SIM == _MIPS_SIM_ABI32 __asm__ __volatile__ ("jr $25"); +#else /* N32 || N64 */ + __asm__ __volatile__ ("jr $31"); +#endif /* N32 || N64 */ /* Avoid `volatile function does return' warnings. */ for (;;); diff --git a/libc/sysdeps/linux/mips/bits/setjmp.h b/libc/sysdeps/linux/mips/bits/setjmp.h index 4eb8e9f2a..08e74fe0a 100644 --- a/libc/sysdeps/linux/mips/bits/setjmp.h +++ b/libc/sysdeps/linux/mips/bits/setjmp.h @@ -24,6 +24,8 @@ # error "Never include directly; use instead." #endif +#include + typedef struct { /* Program counter. */ @@ -33,7 +35,11 @@ typedef struct void * __sp; /* Callee-saved registers s0 through s7. */ +#if _MIPS_SIM == _MIPS_SIM_ABI32 int __regs[8]; +#else + long long __regs[8]; +#endif /* The frame pointer. */ void * __fp; @@ -45,7 +51,11 @@ typedef struct int __fpc_csr; /* Callee-saved floating point registers. */ +#if _MIPS_SIM == _MIPS_SIM_ABI64 + double __fpregs[8]; +#else /* N32 || O32 */ double __fpregs[6]; +#endif /* N32 || O32 */ } __jmp_buf[1]; #ifdef __USE_MISC diff --git a/libc/sysdeps/linux/mips/bsd-_setjmp.S b/libc/sysdeps/linux/mips/bsd-_setjmp.S index e03c05ced..6853dea98 100644 --- a/libc/sysdeps/linux/mips/bsd-_setjmp.S +++ b/libc/sysdeps/linux/mips/bsd-_setjmp.S @@ -22,6 +22,7 @@ in setjmp doesn't clobber the state restored by longjmp. */ #include +#include #ifdef __PIC__ .option pic2 @@ -35,10 +36,16 @@ _setjmp: #ifdef __PIC__ +#if (_MIPS_SIM == _MIPS_SIM_ABI32) .set noreorder .cpload t9 .set reorder la t9, __sigsetjmp +#else + .cpsetup t9, v0, _setjmp + PTR_LA t9, __sigsetjmp + .cpreturn +#endif #endif move a1,zero /* Pass a second argument of zero. */ #ifdef __PIC__ diff --git a/libc/sysdeps/linux/mips/bsd-setjmp.S b/libc/sysdeps/linux/mips/bsd-setjmp.S index 49a904d29..1f57a97e7 100644 --- a/libc/sysdeps/linux/mips/bsd-setjmp.S +++ b/libc/sysdeps/linux/mips/bsd-setjmp.S @@ -22,6 +22,7 @@ in setjmp doesn't clobber the state restored by longjmp. */ #include +#include #ifdef __PIC__ .option pic2 @@ -36,9 +37,15 @@ setjmp: .set noreorder #ifdef __PIC__ +#if _MIPS_SIM == _MIPS_SIM_ABI32 .cpload t9 .set reorder la t9, __sigsetjmp +#else /* N32 */ + .cpsetup t9, v0, setjmp + PTR_LA t9, __sigsetjmp + .cprestore +#endif /* N32 */ #endif li a1, 1 /* Pass a second argument of one. */ #ifdef __PIC__ diff --git a/libc/sysdeps/linux/mips/setjmp.S b/libc/sysdeps/linux/mips/setjmp.S index 0d9a8d431..226f75524 100644 --- a/libc/sysdeps/linux/mips/setjmp.S +++ b/libc/sysdeps/linux/mips/setjmp.S @@ -17,6 +17,7 @@ 02111-1307 USA. */ #include +#include /* The function __sigsetjmp_aux saves all the registers, but it can't reliably access the stack or frame pointers, so we pass them in as @@ -35,7 +36,11 @@ __sigsetjmp: #ifdef __PIC__ .set noreorder +#if _MIPS_SIM == _MIPS_SIM_ABI32 .cpload t9 +#else + .cpsetup t9, v0, __sigsetjmp +#endif .set reorder #endif move a2, sp @@ -45,7 +50,10 @@ __sigsetjmp: move a3, $fp #endif #ifdef __PIC__ - la t9, __sigsetjmp_aux + PTR_LA t9, __sigsetjmp_aux +#if _MIPS_SIM != _MIPS_SIM_ABI32 + .cpreturn +#endif jr t9 #else j __sigsetjmp_aux 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 #include +#include +#include /* 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. */ -- cgit v1.2.3