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Diffstat (limited to 'libc/sysdeps/linux/mips/__longjmp.c')
-rw-r--r--libc/sysdeps/linux/mips/__longjmp.c101
1 files changed, 49 insertions, 52 deletions
diff --git a/libc/sysdeps/linux/mips/__longjmp.c b/libc/sysdeps/linux/mips/__longjmp.c
index 889876eb9..5be2e974b 100644
--- a/libc/sysdeps/linux/mips/__longjmp.c
+++ b/libc/sysdeps/linux/mips/__longjmp.c
@@ -27,61 +27,58 @@
#error This file uses GNU C extensions; you must compile with GCC.
#endif
-void
-__longjmp (env, val_arg)
- __jmp_buf env;
- int val_arg;
+void __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");
+ /* 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");
- /* Pull back the floating point callee-saved registers. */
+ /* 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]));
-
- /* Get and reconstruct the floating point csr. */
- asm volatile ("lw $2, %0" : : "m" (env[0].__fpc_csr));
- asm volatile ("ctc1 $2, $31");
+ 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");
#endif
- /* Get the 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]));
-
- /* Get the 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"
- "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");
- else
- asm volatile ("move $2, %0" : : "r" (val));
-
- asm volatile ("jr $25");
-
- /* Avoid `volatile function does return' warnings. */
- for (;;);
+ /* Get the 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]));
+
+ /* Get the 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"
+ "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");
+ else
+ asm volatile ("move $2, %0" : : "r" (val));
+
+ asm volatile ("jr $25");
+
+ /* Avoid `volatile function does return' warnings. */
+ for (;;);
}