| _setjmp.S (114309) | _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 114309 2003-04-30 18:09:33Z 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 NOT restored. 51 */ 52 53ENTRY(_setjmp) 54 movq %rdi,%rax 55 movq 0(%rsp),%rdx /* retval */ | 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 NOT restored. 51 */ 52 53ENTRY(_setjmp) 54 movq %rdi,%rax 55 movq 0(%rsp),%rdx /* retval */ |
| 56 movq %rdx, 0(%rax) /* retval */ 57 movq %rbx, 8(%rax) 58 movq %rsp,16(%rax) 59 movq %rbp,24(%rax) 60 movq %r12,32(%rax) 61 movq %r13,40(%rax) 62 movq %r14,48(%rax) 63 movq %r15,56(%rax) 64 fnstcw 64(%rax) | 56 movq %rdx, 0(%rax) /* 0; retval */ 57 movq %rbx, 8(%rax) /* 1; rbx */ 58 movq %rsp,16(%rax) /* 2; rsp */ 59 movq %rbp,24(%rax) /* 3; rbp */ 60 movq %r12,32(%rax) /* 4; r12 */ 61 movq %r13,40(%rax) /* 5; r13 */ 62 movq %r14,48(%rax) /* 6; r14 */ 63 movq %r15,56(%rax) /* 7; r15 */ 64 fnstcw 64(%rax) /* 8; fpu cw */ |
| 65 xorq %rax,%rax 66 ret 67 68 .weak CNAME(_longjmp) 69 .set CNAME(_longjmp),CNAME(___longjmp) 70ENTRY(___longjmp) 71 movq %rdi,%rdx 72 movq %rsi,%rax /* retval */ --- 15 unchanged lines hidden --- | 65 xorq %rax,%rax 66 ret 67 68 .weak CNAME(_longjmp) 69 .set CNAME(_longjmp),CNAME(___longjmp) 70ENTRY(___longjmp) 71 movq %rdi,%rdx 72 movq %rsi,%rax /* retval */ --- 15 unchanged lines hidden --- |