| sbrk.S (217106) | sbrk.S (240152) |
|---|---|
| 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 --- 20 unchanged lines hidden (view full) --- 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#if defined(SYSLIBC_SCCS) && !defined(lint) 34 .asciz "@(#)sbrk.s 5.1 (Berkeley) 4/23/90" 35#endif /* SYSLIBC_SCCS and not lint */ 36#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 --- 20 unchanged lines hidden (view full) --- 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#if defined(SYSLIBC_SCCS) && !defined(lint) 34 .asciz "@(#)sbrk.s 5.1 (Berkeley) 4/23/90" 35#endif /* SYSLIBC_SCCS and not lint */ 36#include <machine/asm.h> |
| 37__FBSDID("$FreeBSD: head/lib/libc/i386/sys/sbrk.S 217106 2011-01-07 16:08:40Z kib $"); | 37__FBSDID("$FreeBSD: head/lib/libc/i386/sys/sbrk.S 240152 2012-09-05 21:41:05Z jilles $"); |
| 38 39#include "SYS.h" 40 41 .globl CNAME(_end) 42 .globl HIDENAME(minbrk) 43 .globl HIDENAME(curbrk) 44 45 .data --- 8 unchanged lines hidden (view full) --- 54 movl PIC_GOT(HIDENAME(curbrk)),%edx 55 movl (%edx),%eax 56 PIC_EPILOGUE 57 testl %ecx,%ecx 58 jz back 59 addl %eax,4(%esp) 60 mov $SYS_break,%eax 61 KERNCALL | 38 39#include "SYS.h" 40 41 .globl CNAME(_end) 42 .globl HIDENAME(minbrk) 43 .globl HIDENAME(curbrk) 44 45 .data --- 8 unchanged lines hidden (view full) --- 54 movl PIC_GOT(HIDENAME(curbrk)),%edx 55 movl (%edx),%eax 56 PIC_EPILOGUE 57 testl %ecx,%ecx 58 jz back 59 addl %eax,4(%esp) 60 mov $SYS_break,%eax 61 KERNCALL |
| 62 jb err | 62 jb HIDENAME(cerror) |
| 63 PIC_PROLOGUE 64 movl PIC_GOT(HIDENAME(curbrk)),%edx 65 movl (%edx),%eax 66 addl %ecx,(%edx) 67 PIC_EPILOGUE 68back: 69 ret | 63 PIC_PROLOGUE 64 movl PIC_GOT(HIDENAME(curbrk)),%edx 65 movl (%edx),%eax 66 addl %ecx,(%edx) 67 PIC_EPILOGUE 68back: 69 ret |
| 70err: 71 PIC_PROLOGUE 72 jmp PIC_PLT(HIDENAME(cerror)) | |
| 73 74#else /* !PIC */ 75 76 movl 4(%esp),%ecx 77 movl HIDENAME(curbrk),%eax 78 testl %ecx,%ecx 79 jz back 80 addl %eax,4(%esp) 81 mov $SYS_break,%eax 82 KERNCALL | 70 71#else /* !PIC */ 72 73 movl 4(%esp),%ecx 74 movl HIDENAME(curbrk),%eax 75 testl %ecx,%ecx 76 jz back 77 addl %eax,4(%esp) 78 mov $SYS_break,%eax 79 KERNCALL |
| 83 jb err | 80 jb HIDENAME(cerror) |
| 84 movl HIDENAME(curbrk),%eax 85 addl %ecx,HIDENAME(curbrk) 86back: 87 ret | 81 movl HIDENAME(curbrk),%eax 82 addl %ecx,HIDENAME(curbrk) 83back: 84 ret |
| 88err: 89 jmp HIDENAME(cerror) | |
| 90#endif /* PIC */ 91END(sbrk) 92 93 .section .note.GNU-stack,"",%progbits | 85#endif /* PIC */ 86END(sbrk) 87 88 .section .note.GNU-stack,"",%progbits |