| sigsetjmp.S (114309) | sigsetjmp.S (114829) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 27 unchanged lines hidden (view full) --- 36 * @(#)setjmp.s 5.1 (Berkeley) 4/23/90" 37 */ 38 39#if defined(LIBC_SCCS) && !defined(lint) 40 .text 41 .asciz "$Id: sigsetjmp.S,v 1.1 1993/12/05 13:01:05 ats Exp $" 42#endif /* LIBC_SCCS and not lint */ 43#include <machine/asm.h> | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 27 unchanged lines hidden (view full) --- 36 * @(#)setjmp.s 5.1 (Berkeley) 4/23/90" 37 */ 38 39#if defined(LIBC_SCCS) && !defined(lint) 40 .text 41 .asciz "$Id: sigsetjmp.S,v 1.1 1993/12/05 13:01:05 ats Exp $" 42#endif /* LIBC_SCCS and not lint */ 43#include <machine/asm.h> |
| 44__FBSDID("$FreeBSD: head/lib/libc/amd64/gen/sigsetjmp.S 114309 2003-04-30 18:09:33Z peter $"); | 44__FBSDID("$FreeBSD: head/lib/libc/amd64/gen/sigsetjmp.S 114829 2003-05-08 06:25:03Z peter $"); |
| 45 46#include "SYS.h" 47 48/*- 49 * TODO: 50 * Rename sigsetjmp to __sigsetjmp and siglongjmp to __siglongjmp, 51 * remove the other *jmp functions and define everything in terms 52 * of the renamed functions. This requires compiler support for 53 * the renamed functions (introduced in gcc-2.5.3; previous versions 54 * only supported *jmp with 0 or 1 leading underscores). 55 * 56 * Restore _all_ the registers and the signal mask atomically. Can 57 * use sigreturn() if sigreturn() works. 58 */ 59 60ENTRY(sigsetjmp) | 45 46#include "SYS.h" 47 48/*- 49 * TODO: 50 * Rename sigsetjmp to __sigsetjmp and siglongjmp to __siglongjmp, 51 * remove the other *jmp functions and define everything in terms 52 * of the renamed functions. This requires compiler support for 53 * the renamed functions (introduced in gcc-2.5.3; previous versions 54 * only supported *jmp with 0 or 1 leading underscores). 55 * 56 * Restore _all_ the registers and the signal mask atomically. Can 57 * use sigreturn() if sigreturn() works. 58 */ 59 60ENTRY(sigsetjmp) |
| 61 pushq %rdi 62 movq %rdi,%rcx 63 movl %esi,88(%rcx) | 61 movl %esi,88(%rdi) |
| 64 testl %esi,%esi 65 jz 2f | 62 testl %esi,%esi 63 jz 2f |
| 66 leaq 72(%rcx),%rdi /* (sigset_t*)oset */ | 64 pushq %rdi 65 movq $1,%rdi /* SIG_BLOCK */ |
| 67 movq $0,%rsi /* (sigset_t*)set */ | 66 movq $0,%rsi /* (sigset_t*)set */ |
| 68 movq $1,%rdx /* SIG_BLOCK */ | 67 leaq 72(%rcx),%rdx /* (sigset_t*)oset */ |
| 69 call PIC_PLT(CNAME(_sigprocmask)) 70 popq %rdi | 68 call PIC_PLT(CNAME(_sigprocmask)) 69 popq %rdi |
| 71 movq %rdi,%rcx 722: movq 0(%rsp),%rdx /* retval */ | 702: movq %rdi,%rcx 71 movq 0(%rsp),%rdx /* retval */ |
| 73 movq %rdx, 0(%rcx) /* retval */ 74 movq %rbx, 8(%rcx) 75 movq %rsp,16(%rcx) 76 movq %rbp,24(%rcx) 77 movq %r12,32(%rcx) 78 movq %r13,40(%rcx) 79 movq %r14,48(%rcx) 80 movq %r15,56(%rcx) --- 4 unchanged lines hidden (view full) --- 85 .weak CNAME(siglongjmp) 86 .set CNAME(siglongjmp),CNAME(__siglongjmp) 87ENTRY(__siglongjmp) 88 cmpl $0,88(%rdi) 89 jz 2f 90 movq %rdi,%rdx 91 pushq %rdi 92 pushq %rsi | 72 movq %rdx, 0(%rcx) /* retval */ 73 movq %rbx, 8(%rcx) 74 movq %rsp,16(%rcx) 75 movq %rbp,24(%rcx) 76 movq %r12,32(%rcx) 77 movq %r13,40(%rcx) 78 movq %r14,48(%rcx) 79 movq %r15,56(%rcx) --- 4 unchanged lines hidden (view full) --- 84 .weak CNAME(siglongjmp) 85 .set CNAME(siglongjmp),CNAME(__siglongjmp) 86ENTRY(__siglongjmp) 87 cmpl $0,88(%rdi) 88 jz 2f 89 movq %rdi,%rdx 90 pushq %rdi 91 pushq %rsi |
| 93 movq $0,%rdi /* (sigset_t*)oset */ | 92 movq $3,%rdi /* SIG_SETMASK */ |
| 94 leaq 72(%rdx),%rsi /* (sigset_t*)set */ | 93 leaq 72(%rdx),%rsi /* (sigset_t*)set */ |
| 95 movq $3,%rdx /* SIG_SETMASK */ | 94 movq $0,%rdx /* (sigset_t*)oset */ |
| 96 call PIC_PLT(CNAME(_sigprocmask)) 97 popq %rsi 98 popq %rdi /* jmpbuf */ 992: movq %rdi,%rdx 100 movq %rsi,%rax /* retval */ 101 movq 0(%rdx),%rcx 102 movq 8(%rdx),%rbx 103 movq 16(%rdx),%rsp --- 12 unchanged lines hidden --- | 95 call PIC_PLT(CNAME(_sigprocmask)) 96 popq %rsi 97 popq %rdi /* jmpbuf */ 982: movq %rdi,%rdx 99 movq %rsi,%rax /* retval */ 100 movq 0(%rdx),%rcx 101 movq 8(%rdx),%rbx 102 movq 16(%rdx),%rsp --- 12 unchanged lines hidden --- |