| setjmp.S (114835) | setjmp.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 --- 24 unchanged lines hidden (view full) --- 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37#if defined(LIBC_SCCS) && !defined(lint) 38 .asciz "@(#)setjmp.s 5.1 (Berkeley) 4/23/90" 39#endif /* LIBC_SCCS and not lint */ 40#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 --- 24 unchanged lines hidden (view full) --- 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37#if defined(LIBC_SCCS) && !defined(lint) 38 .asciz "@(#)setjmp.s 5.1 (Berkeley) 4/23/90" 39#endif /* LIBC_SCCS and not lint */ 40#include <machine/asm.h> |
| 41__FBSDID("$FreeBSD: head/lib/libc/amd64/gen/setjmp.S 114835 2003-05-08 07:41:24Z peter $"); | 41__FBSDID("$FreeBSD: head/lib/libc/amd64/gen/setjmp.S 115745 2003-06-02 22:37:53Z peter $"); |
| 42 43/* 44 * C library -- _setjmp, _longjmp 45 * 46 * longjmp(a,v) 47 * will generate a "return(v)" from the last call to 48 * setjmp(a) 49 * by restoring registers from the environment 'a'. 50 * The previous signal state is restored. 51 */ 52 53#include "SYS.h" 54 55ENTRY(setjmp) 56 pushq %rdi 57 movq %rdi,%rcx 58 movq $1,%rdi /* SIG_BLOCK */ 59 movq $0,%rsi /* (sigset_t*)set */ | 42 43/* 44 * C library -- _setjmp, _longjmp 45 * 46 * longjmp(a,v) 47 * will generate a "return(v)" from the last call to 48 * setjmp(a) 49 * by restoring registers from the environment 'a'. 50 * The previous signal state is restored. 51 */ 52 53#include "SYS.h" 54 55ENTRY(setjmp) 56 pushq %rdi 57 movq %rdi,%rcx 58 movq $1,%rdi /* SIG_BLOCK */ 59 movq $0,%rsi /* (sigset_t*)set */ |
| 60 leaq 72(%rcx),%rdx /* (sigset_t*)oset */ | 60 leaq 72(%rcx),%rdx /* 9,10; (sigset_t*)oset */ |
| 61 call PIC_PLT(CNAME(_sigprocmask)) 62 popq %rdi 63 movq %rdi,%rcx 64 movq 0(%rsp),%rdx /* retval */ | 61 call PIC_PLT(CNAME(_sigprocmask)) 62 popq %rdi 63 movq %rdi,%rcx 64 movq 0(%rsp),%rdx /* retval */ |
| 65 movq %rdx, 0(%rcx) /* retval */ 66 movq %rbx, 8(%rcx) 67 movq %rsp,16(%rcx) 68 movq %rbp,24(%rcx) 69 movq %r12,32(%rcx) 70 movq %r13,40(%rcx) 71 movq %r14,48(%rcx) 72 movq %r15,56(%rcx) 73 fnstcw 64(%rcx) | 65 movq %rdx, 0(%rcx) /* 0; retval */ 66 movq %rbx, 8(%rcx) /* 1; rbx */ 67 movq %rsp,16(%rcx) /* 2; rsp */ 68 movq %rbp,24(%rcx) /* 3; rbp */ 69 movq %r12,32(%rcx) /* 4; r12 */ 70 movq %r13,40(%rcx) /* 5; r13 */ 71 movq %r14,48(%rcx) /* 6; r14 */ 72 movq %r15,56(%rcx) /* 7; r15 */ 73 fnstcw 64(%rcx) /* 8; fpu cw */ |
| 74 xorq %rax,%rax 75 ret 76 77 .weak CNAME(longjmp) 78 .set CNAME(longjmp),CNAME(__longjmp) 79ENTRY(__longjmp) 80 pushq %rdi 81 pushq %rsi --- 24 unchanged lines hidden --- | 74 xorq %rax,%rax 75 ret 76 77 .weak CNAME(longjmp) 78 .set CNAME(longjmp),CNAME(__longjmp) 79ENTRY(__longjmp) 80 pushq %rdi 81 pushq %rsi --- 24 unchanged lines hidden --- |