diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/mips/__longjmp.c | 55 |
1 files changed, 27 insertions, 28 deletions
diff --git a/libc/sysdeps/linux/mips/__longjmp.c b/libc/sysdeps/linux/mips/__longjmp.c index 557ea8be8..7366fc22d 100644 --- a/libc/sysdeps/linux/mips/__longjmp.c +++ b/libc/sysdeps/linux/mips/__longjmp.c @@ -21,65 +21,64 @@ #include <setjmp.h> #include <stdlib.h> - -extern __typeof(longjmp) __longjmp; -libc_hidden_proto(__longjmp) - #ifndef __GNUC__ #error This file uses GNU C extensions; you must compile with GCC. #endif -void __longjmp (__jmp_buf env, int val_arg) +extern void __longjmp (__jmp_buf __env, int __val) attribute_noreturn; +libc_hidden_proto(__longjmp) + +void attribute_noreturn __longjmp (__jmp_buf env, int val_arg) { /* gcc 1.39.19 miscompiled the longjmp routine (as it did setjmp before the hack around it); force it to use $a1 for the longjmp value. Without this it saves $a1 in a register which gets clobbered along the way. */ - register int val asm ("a1"); + register int val __asm__ ("a1"); /* Pull back the floating point callee-saved registers. */ #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ - 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])); + __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])); /* Get and reconstruct the floating point csr. */ - asm volatile ("lw $2, %0" : : "m" (env[0].__fpc_csr)); - asm volatile ("ctc1 $2, $31"); + __asm__ __volatile__ ("lw $2, %0" : : "m" (env[0].__fpc_csr)); + __asm__ __volatile__ ("ctc1 $2, $31"); #endif /* Get the GP. */ - asm volatile ("lw $gp, %0" : : "m" (env[0].__gp)); + __asm__ __volatile__ ("lw $gp, %0" : : "m" (env[0].__gp)); /* Get the callee-saved registers. */ - 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])); - asm volatile ("lw $19, %0" : : "m" (env[0].__regs[3])); - asm volatile ("lw $20, %0" : : "m" (env[0].__regs[4])); - 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])); + __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])); + __asm__ __volatile__ ("lw $19, %0" : : "m" (env[0].__regs[3])); + __asm__ __volatile__ ("lw $20, %0" : : "m" (env[0].__regs[4])); + __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])); /* Get the PC. */ - asm volatile ("lw $25, %0" : : "m" (env[0].__pc)); + __asm__ __volatile__ ("lw $25, %0" : : "m" (env[0].__pc)); /* 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. */ - asm volatile ("lw $29, %0\n\t" + __asm__ __volatile__ ("lw $29, %0\n\t" "lw $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp)); /* Give setjmp 1 if given a 0, or what they gave us if non-zero. */ if (val == 0) - asm volatile ("li $2, 1"); + __asm__ __volatile__ ("li $2, 1"); else - asm volatile ("move $2, %0" : : "r" (val)); + __asm__ __volatile__ ("move $2, %0" : : "r" (val)); - asm volatile ("jr $25"); + __asm__ __volatile__ ("jr $25"); /* Avoid `volatile function does return' warnings. */ for (;;); |