diff options
Diffstat (limited to 'libc')
-rw-r--r-- | libc/misc/internals/__uClibc_main.c | 10 | ||||
-rw-r--r-- | libc/stdlib/atexit.c | 3 | ||||
-rw-r--r-- | libc/sysdeps/linux/common/mmap.c | 2 | ||||
-rw-r--r-- | libc/sysdeps/linux/i386/Makefile | 2 | ||||
-rw-r--r-- | libc/sysdeps/linux/i386/mmap.S | 49 |
5 files changed, 52 insertions, 14 deletions
diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c index 5c1560d1b..c9f3d0e40 100644 --- a/libc/misc/internals/__uClibc_main.c +++ b/libc/misc/internals/__uClibc_main.c @@ -266,13 +266,3 @@ __uClibc_main(int (*main)(int, char **, char **), int argc, */ exit(main(argc, argv, __environ)); } - -#ifdef _DL_FINI_CRT_COMPAT -extern int weak_function main(int argc, char **argv, char **envp); -void __attribute__ ((__noreturn__)) -__uClibc_start_main(int argc, char **argv, char **envp, - void (*app_fini)(void), void (*app_init)(void)) -{ - __uClibc_main(main, argc, argv, app_init, app_fini, NULL, NULL); -} -#endif diff --git a/libc/stdlib/atexit.c b/libc/stdlib/atexit.c index 280f42cb7..1962c1b63 100644 --- a/libc/stdlib/atexit.c +++ b/libc/stdlib/atexit.c @@ -223,6 +223,7 @@ extern void (*__app_fini)(void); #endif extern void (*__rtld_fini)(void); + /* * Normal program termination */ @@ -239,10 +240,8 @@ void exit(int rv) if (__app_fini != NULL) (__app_fini)(); #endif -#ifndef _DL_FINI_CRT_COMPAT if (__rtld_fini != NULL) (__rtld_fini)(); -#endif /* If we are using stdio, try to shut it down. At the very least, * this will attempt to commit all buffered writes. It may also diff --git a/libc/sysdeps/linux/common/mmap.c b/libc/sysdeps/linux/common/mmap.c index 177e0da16..94c0d82b3 100644 --- a/libc/sysdeps/linux/common/mmap.c +++ b/libc/sysdeps/linux/common/mmap.c @@ -13,7 +13,7 @@ #ifdef __NR_mmap #define __NR__mmap __NR_mmap -_syscall1(__ptr_t, _mmap, unsigned long *, buffer); +static inline _syscall1(__ptr_t, _mmap, unsigned long *, buffer); __ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset) { diff --git a/libc/sysdeps/linux/i386/Makefile b/libc/sysdeps/linux/i386/Makefile index e7cee0c0b..bde820b2b 100644 --- a/libc/sysdeps/linux/i386/Makefile +++ b/libc/sysdeps/linux/i386/Makefile @@ -25,7 +25,7 @@ SCRT_OBJ = $(patsubst %,S%, $(CRT_OBJ)) CTOR_TARGETS=$(TOPDIR)lib/crti.o $(TOPDIR)lib/crtn.o SSRC=__longjmp.S vfork.S clone.S setjmp.S bsd-setjmp.S \ - bsd-_setjmp.S syscall.S mmap64.S + bsd-_setjmp.S syscall.S mmap.S mmap64.S SOBJS=$(patsubst %.S,%.o, $(SSRC)) CSRC=brk.c sigaction.c __syscall_error.c diff --git a/libc/sysdeps/linux/i386/mmap.S b/libc/sysdeps/linux/i386/mmap.S new file mode 100644 index 000000000..5dde939bf --- /dev/null +++ b/libc/sysdeps/linux/i386/mmap.S @@ -0,0 +1,49 @@ +/* Copyright (C) 1995,96,97,98,99,2000,2002,2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define _ERRNO_H 1 +#include <features.h> +#include <bits/errno.h> +#include <sys/syscall.h> + +.text +.global mmap +.type mmap,%function +mmap: + + /* Save registers. */ + movl %ebx, %edx + + movl $__NR_mmap, %eax /* System call number in %eax. */ + + lea 4(%esp), %ebx /* Address of args is 1st arg. */ + + /* Do the system call trap. */ + int $0x80 + + /* Restore registers. */ + movl %edx, %ebx + + /* If 0 > %eax > -4096 there was an error. */ + cmpl $-4096, %eax + ja __syscall_error + + /* Successful; return the syscall's value. */ + ret + +.size mmap,.-mmap |