diff options
Diffstat (limited to 'libc/sysdeps/linux/vax/bits/setjmp.h')
| -rw-r--r-- | libc/sysdeps/linux/vax/bits/setjmp.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/vax/bits/setjmp.h b/libc/sysdeps/linux/vax/bits/setjmp.h new file mode 100644 index 000000000..68a1b32ba --- /dev/null +++ b/libc/sysdeps/linux/vax/bits/setjmp.h @@ -0,0 +1,37 @@ +/* Define the machine-dependent type `jmp_buf'. Vax version. */ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +/* we want to save enough that we can use this to fool RET, + * So we basically save all of the CALLS stack frame. Plus regs. */ +#ifndef _ASM +typedef int __jmp_buf[16]; +#endif + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((void *) (address) < (void *) (jmpbuf[4])) +/* + jmp_buf layout. jmp_buf[0] + void *__cond; The condition handler + void *__psw; mask and PSW bits + void *__ap; argument pointer + void *__fp; frame pointer + void *__pc; program counter + no need to save r0 + void *__r1; regs, r0->r11. + void *__r2; regs, r0->r11. + void *__r3; regs, r0->r11. + void *__r4; regs, r0->r11. + void *__r5; regs, r0->r11. + void *__r6; regs, r0->r11. + void *__r7; regs, r0->r11. + void *__r8; regs, r0->r11. + void *__r9; regs, r0->r11. + void *__rA; regs, r0->r11. + void *__rB; regs, r0->r11. +*/ + |