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| author | Greg McGary <greg@mcgary.org> | 2000-06-09 06:14:39 +0000 |
|---|---|---|
| committer | Greg McGary <greg@mcgary.org> | 2000-06-09 06:14:39 +0000 |
| commit | 3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03 (patch) | |
| tree | a193d5f40640e64b7b6555e831772c1934e2a8d0 /sysdeps/i386/i686/memcpy.S | |
| parent | a40fb915f89d0e225058c0865de4504f83f90173 (diff) | |
| download | glibc-3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03.tar.gz glibc-3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03.tar.xz glibc-3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03.zip | |
* sysdeps/i386/bp-asm.h: New file.
* sysdeps/i386/__longjmp.S: Define & use symbolic argument stack offsets. Add ENTER/LEAVE macros for optionally maintaining frame-pointer chain when debugging. * sysdeps/i386/add_n.S: Likewise. * sysdeps/i386/addmul_1.S: Likewise. * sysdeps/i386/lshift.S: Likewise. * sysdeps/i386/memchr.S: Likewise. * sysdeps/i386/memcmp.S: Likewise. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/rawmemchr.S: Likewise. * sysdeps/i386/rshift.S: Likewise. * sysdeps/i386/stpcpy.S: Likewise. * sysdeps/i386/stpncpy.S: Likewise. * sysdeps/i386/strchr.S: Likewise. * sysdeps/i386/strchrnul.S: Likewise. * sysdeps/i386/strcspn.S: Likewise. * sysdeps/i386/strpbrk.S: Likewise. * sysdeps/i386/strrchr.S: Likewise. * sysdeps/i386/strspn.S: Likewise. * sysdeps/i386/strtok.S: Likewise. * sysdeps/i386/sub_n.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/elf/setjmp.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i486/strlen.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memcpy.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strcpy.S: Likewise. * sysdeps/i386/i586/strlen.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i686/add_n.S: Likewise. * sysdeps/i386/i686/memcpy.S: Likewise. * sysdeps/i386/i686/mempcpy.S: Likewise. * sysdeps/i386/i686/memset.S: Likewise. * sysdeps/i386/i686/strcmp.S: Likewise. 2000-06-08 Greg McGary <greg@mcgary.org> * sysdeps/i386/bp-asm.h: New file. * sysdeps/i386/__longjmp.S: Define & use symbolic argument stack offsets. Add ENTER/LEAVE macros for optionally maintaining frame-pointer chain when debugging. * sysdeps/i386/add_n.S: Likewise. * sysdeps/i386/addmul_1.S: Likewise. * sysdeps/i386/lshift.S: Likewise. * sysdeps/i386/memchr.S: Likewise. * sysdeps/i386/memcmp.S: Likewise. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/rawmemchr.S: Likewise. * sysdeps/i386/rshift.S: Likewise. * sysdeps/i386/stpcpy.S: Likewise. * sysdeps/i386/stpncpy.S: Likewise. * sysdeps/i386/strchr.S: Likewise. * sysdeps/i386/strchrnul.S: Likewise. * sysdeps/i386/strcspn.S: Likewise. * sysdeps/i386/strpbrk.S: Likewise. * sysdeps/i386/strrchr.S: Likewise. * sysdeps/i386/strspn.S: Likewise. * sysdeps/i386/strtok.S: Likewise. * sysdeps/i386/sub_n.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/elf/setjmp.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i486/strlen.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memcpy.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strcpy.S: Likewise. * sysdeps/i386/i586/strlen.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i686/add_n.S: Likewise. * sysdeps/i386/i686/memcpy.S: Likewise. * sysdeps/i386/i686/mempcpy.S: Likewise. * sysdeps/i386/i686/memset.S: Likewise. * sysdeps/i386/i686/strcmp.S: Likewise.
Diffstat (limited to 'sysdeps/i386/i686/memcpy.S')
| -rw-r--r-- | sysdeps/i386/i686/memcpy.S | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/sysdeps/i386/i686/memcpy.S b/sysdeps/i386/i686/memcpy.S index eab6855d57..8e8cc41fbc 100644 --- a/sysdeps/i386/i686/memcpy.S +++ b/sysdeps/i386/i686/memcpy.S @@ -1,7 +1,7 @@ /* Copy memory block and return pointer to beginning of destination block For Intel 80x86, x>=6. This file is part of the GNU C Library. - Copyright (C) 1999 Free Software Foundation, Inc. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. The GNU C Library is free software; you can redistribute it and/or @@ -21,20 +21,23 @@ #include <sysdep.h> #include "asm-syntax.h" +#include "bp-asm.h" -/* memcpy: - INPUT PARAMETER: - dest (sp + 4) - src (sp + 8) - len (sp + 12) -*/ +#define PARMS LINKAGE /* no space for saved regs */ +#define RTN PARMS +#define DEST RTN+RTN_SIZE +#define SRC DEST+PTR_SIZE +#define LEN SRC+PTR_SIZE + .text ENTRY(memcpy) - movl 12(%esp), %ecx + ENTER + + movl LEN(%esp), %ecx movl %edi, %eax - movl 4(%esp), %edi + movl DEST(%esp), %edi movl %esi, %edx - movl 8(%esp), %esi + movl SRC(%esp), %esi cld shrl $1, %ecx jnc 1f @@ -46,6 +49,8 @@ ENTRY(memcpy) movsl movl %eax, %edi movl %edx, %esi - movl 4(%esp), %eax - ret + movl DEST(%esp), %eax + + LEAVE + RET_PTR END(memcpy) |