| sigsetjmp.S (115738) | sigsetjmp.S (115745) |
|---|---|
| 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 115738 2003-06-02 21:59:13Z peter $"); | 44__FBSDID("$FreeBSD: head/lib/libc/amd64/gen/sigsetjmp.S 115745 2003-06-02 22:37:53Z 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 movl %esi,88(%rdi) | 61 movl %esi,88(%rdi) /* 11; savemask */ |
| 62 testl %esi,%esi 63 jz 2f 64 pushq %rdi 65 movq %rdi,%rcx 66 movq $1,%rdi /* SIG_BLOCK */ 67 movq $0,%rsi /* (sigset_t*)set */ | 62 testl %esi,%esi 63 jz 2f 64 pushq %rdi 65 movq %rdi,%rcx 66 movq $1,%rdi /* SIG_BLOCK */ 67 movq $0,%rsi /* (sigset_t*)set */ |
| 68 leaq 72(%rcx),%rdx /* (sigset_t*)oset */ | 68 leaq 72(%rcx),%rdx /* 9,10 (sigset_t*)oset */ |
| 69 call PIC_PLT(CNAME(_sigprocmask)) 70 popq %rdi 712: movq %rdi,%rcx 72 movq 0(%rsp),%rdx /* retval */ | 69 call PIC_PLT(CNAME(_sigprocmask)) 70 popq %rdi 712: movq %rdi,%rcx 72 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) 81 fnstcw 64(%rcx) | 73 movq %rdx, 0(%rcx) /* 0; retval */ 74 movq %rbx, 8(%rcx) /* 1; rbx */ 75 movq %rsp,16(%rcx) /* 2; rsp */ 76 movq %rbp,24(%rcx) /* 3; rbp */ 77 movq %r12,32(%rcx) /* 4; r12 */ 78 movq %r13,40(%rcx) /* 5; r13 */ 79 movq %r14,48(%rcx) /* 6; r14 */ 80 movq %r15,56(%rcx) /* 7; r15 */ 81 fnstcw 64(%rcx) /* 8; fpu cw */ |
| 82 xorq %rax,%rax 83 ret 84 85 .weak CNAME(siglongjmp) 86 .set CNAME(siglongjmp),CNAME(__siglongjmp) 87ENTRY(__siglongjmp) 88 cmpl $0,88(%rdi) 89 jz 2f --- 26 unchanged lines hidden --- | 82 xorq %rax,%rax 83 ret 84 85 .weak CNAME(siglongjmp) 86 .set CNAME(siglongjmp),CNAME(__siglongjmp) 87ENTRY(__siglongjmp) 88 cmpl $0,88(%rdi) 89 jz 2f --- 26 unchanged lines hidden --- |