diff options
Diffstat (limited to 'libc/sysdeps/linux/common')
35 files changed, 194 insertions, 127 deletions
diff --git a/libc/sysdeps/linux/common/__socketcall.c b/libc/sysdeps/linux/common/__socketcall.c index 8e9fbf7f3..48a083c3a 100644 --- a/libc/sysdeps/linux/common/__socketcall.c +++ b/libc/sysdeps/linux/common/__socketcall.c @@ -10,5 +10,5 @@ #include "syscalls.h" #ifdef __NR_socketcall #define __NR___socketcall __NR_socketcall -_syscall2(int, __socketcall, int, call, unsigned long *, args); +attribute_hidden _syscall2(int, __socketcall, int, call, unsigned long *, args); #endif diff --git a/libc/sysdeps/linux/common/bits/mman.h b/libc/sysdeps/linux/common/bits/mman.h index f567b9baa..0c1590270 100644 --- a/libc/sysdeps/linux/common/bits/mman.h +++ b/libc/sysdeps/linux/common/bits/mman.h @@ -1,5 +1,5 @@ /* Definitions for BSD-style memory management. - Copyright (C) 1994-1998,2000,01 Free Software Foundation, Inc. + Copyright (C) 1994-1998,2000,01,02,05 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 @@ -80,6 +80,16 @@ # define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */ #endif +/* Flags to `msync'. */ +#define MS_ASYNC 1 /* Sync memory asynchronously. */ +#define MS_SYNC 0 /* Synchronous memory sync. */ +#define MS_INVALIDATE 2 /* Invalidate the caches. */ + +/* Flags for `mremap'. */ +#ifdef __USE_GNU +# define MREMAP_MAYMOVE 1 /* Mapping address may change. */ +# define MREMAP_FIXED 2 /* Fifth argument sets new address. */ +#endif /* Flags for `mlockall' (can be OR'd together). */ #define MCL_CURRENT 1 /* Lock all currently mapped pages. */ diff --git a/libc/sysdeps/linux/common/bits/utmp.h b/libc/sysdeps/linux/common/bits/utmp.h index 2ed29bbb4..e855ad73f 100644 --- a/libc/sysdeps/linux/common/bits/utmp.h +++ b/libc/sysdeps/linux/common/bits/utmp.h @@ -1,5 +1,6 @@ /* The `struct utmp' type, describing entries in the utmp file. GNU version. - Copyright (C) 1993, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1993, 1996, 1997, 1998, 1999, 2002 + 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 @@ -24,6 +25,7 @@ #include <paths.h> #include <sys/time.h> #include <sys/types.h> +#include <bits/wordsize.h> #define UT_LINESIZE 32 @@ -35,7 +37,11 @@ previous logins. */ struct lastlog { +#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32 + int32_t ll_time; +#else __time_t ll_time; +#endif char ll_line[UT_LINESIZE]; char ll_host[UT_HOSTSIZE]; }; @@ -61,8 +67,21 @@ struct utmp char ut_host[UT_HOSTSIZE]; /* Hostname for remote login. */ struct exit_status ut_exit; /* Exit status of a process marked as DEAD_PROCESS. */ +/* The ut_session and ut_tv fields must be the same size when compiled + 32- and 64-bit. This allows data files and shared memory to be + shared between 32- and 64-bit applications. */ +#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32 + int32_t ut_session; /* Session ID, used for windowing. */ + struct + { + int32_t tv_sec; /* Seconds. */ + int32_t tv_usec; /* Microseconds. */ + } ut_tv; /* Time entry was made. */ +#else long int ut_session; /* Session ID, used for windowing. */ struct timeval ut_tv; /* Time entry was made. */ +#endif + int32_t ut_addr_v6[4]; /* Internet address of remote host. */ char __unused[20]; /* Reserved for future use. */ }; diff --git a/libc/sysdeps/linux/common/bits/utmpx.h b/libc/sysdeps/linux/common/bits/utmpx.h index 99735370b..c84cda6fe 100644 --- a/libc/sysdeps/linux/common/bits/utmpx.h +++ b/libc/sysdeps/linux/common/bits/utmpx.h @@ -1,5 +1,5 @@ /* Structures and definitions for the user accounting database. GNU version. - Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2000, 2001, 2002 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 @@ -23,6 +23,7 @@ #include <bits/types.h> #include <sys/time.h> +#include <bits/wordsize.h> #ifdef __USE_GNU @@ -62,8 +63,21 @@ struct utmpx char ut_host[__UT_HOSTSIZE]; /* Hostname for remote login. */ struct __exit_status ut_exit; /* Exit status of a process marked as DEAD_PROCESS. */ + +/* The fields ut_session and ut_tv must be the same size when compiled + 32- and 64-bit. This allows files and shared memory to be shared + between 32- and 64-bit applications. */ +#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32 + __int32_t ut_session; /* Session ID, used for windowing. */ + struct + { + __int32_t tv_sec; /* Seconds. */ + __int32_t tv_usec; /* Microseconds. */ + } ut_tv; /* Time entry was made. */ +#else long int ut_session; /* Session ID, used for windowing. */ struct timeval ut_tv; /* Time entry was made. */ +#endif __int32_t ut_addr_v6[4]; /* Internet address of remote host. */ char __unused[20]; /* Reserved for future use. */ }; diff --git a/libc/sysdeps/linux/common/clock_getres.c b/libc/sysdeps/linux/common/clock_getres.c index 0ae2bb07d..7aff495d0 100644 --- a/libc/sysdeps/linux/common/clock_getres.c +++ b/libc/sysdeps/linux/common/clock_getres.c @@ -19,6 +19,8 @@ * */ +#define sysconf __sysconf + #define _GNU_SOURCE #include "syscalls.h" #include <time.h> diff --git a/libc/sysdeps/linux/common/close.c b/libc/sysdeps/linux/common/close.c index 1e03b091e..2e9c2073d 100644 --- a/libc/sysdeps/linux/common/close.c +++ b/libc/sysdeps/linux/common/close.c @@ -10,6 +10,7 @@ #include "syscalls.h" #include <unistd.h> -#define __NR___libc_close __NR_close -_syscall1(int, __libc_close, int, fd); -weak_alias(__libc_close, close); +#define __NR___close __NR_close +attribute_hidden _syscall1(int, __close, int, fd); +strong_alias(__close,close) +weak_alias(__close,__libc_close) diff --git a/libc/sysdeps/linux/common/cmsg_nxthdr.c b/libc/sysdeps/linux/common/cmsg_nxthdr.c index 20c490dcc..cc17c28f5 100644 --- a/libc/sysdeps/linux/common/cmsg_nxthdr.c +++ b/libc/sysdeps/linux/common/cmsg_nxthdr.c @@ -22,8 +22,8 @@ #include <sys/socket.h> -struct cmsghdr * -__cmsg_nxthdr (struct msghdr *mhdr, struct cmsghdr *cmsg) +struct cmsghdr attribute_hidden * +__libc_cmsg_nxthdr (struct msghdr *mhdr, struct cmsghdr *cmsg) { if ((size_t) cmsg->cmsg_len < sizeof (struct cmsghdr)) /* The kernel header does this so there may be a reason. */ @@ -39,3 +39,4 @@ __cmsg_nxthdr (struct msghdr *mhdr, struct cmsghdr *cmsg) return NULL; return cmsg; } +strong_alias(__libc_cmsg_nxthdr,__cmsg_nxthdr) diff --git a/libc/sysdeps/linux/common/creat64.c b/libc/sysdeps/linux/common/creat64.c index deeda3892..759f5bed8 100644 --- a/libc/sysdeps/linux/common/creat64.c +++ b/libc/sysdeps/linux/common/creat64.c @@ -16,6 +16,8 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#define open64 __open64 + #include <features.h> #include <fcntl.h> #include <sys/types.h> diff --git a/libc/sysdeps/linux/common/create_module.c b/libc/sysdeps/linux/common/create_module.c index 0c8f50999..a54f13be5 100644 --- a/libc/sysdeps/linux/common/create_module.c +++ b/libc/sysdeps/linux/common/create_module.c @@ -34,7 +34,7 @@ # ifdef __STR_NR_create_module # define __STR_NR___create_module __STR_NR_create_module # endif -_syscall2(long, __create_module, const char *, name, size_t, size); +static inline _syscall2(long, __create_module, const char *, name, size_t, size); /* By checking the value of errno, we know if we have been fooled * by the syscall2 macro making a very high address look like a * negative, so we we fix it up here. */ @@ -53,7 +53,7 @@ unsigned long create_module(const char *name, size_t size) # define __NR___create_module __NR_create_module /* Alpha doesn't have the same problem, exactly, but a bug in older kernels fails to clear the error flag. Clear it here explicitly. */ -_syscall4(unsigned long, __create_module, const char *, name, +static inline _syscall4(unsigned long, __create_module, const char *, name, size_t, size, size_t, dummy, size_t, err); unsigned long create_module(const char *name, size_t size) { diff --git a/libc/sysdeps/linux/common/dl-osinfo.h b/libc/sysdeps/linux/common/dl-osinfo.h index 4976b2b46..7998b08a4 100644 --- a/libc/sysdeps/linux/common/dl-osinfo.h +++ b/libc/sysdeps/linux/common/dl-osinfo.h @@ -10,35 +10,35 @@ #include <features.h> #ifdef __UCLIBC_HAS_SSP__ -#include <stdint.h> -#include <sys/time.h> +# if defined IS_IN_libc || defined IS_IN_rtld -#ifdef IS_IN_libc -#include <ssp-internal.h> -#if 0 -#ifndef __SSP_QUICK_CANARY__ -#define OPEN __libc_open -#define READ __libc_read -#define CLOSE __libc_close -#endif -#define GETTIMEOFDAY gettimeofday -#endif -#else -#ifdef __SSP__ -#error "file must not be compiled with stack protection enabled on it. Use -fno-stack-protector" -#endif -#ifndef __SSP_QUICK_CANARY__ -#define OPEN _dl_open -#define READ _dl_read -#define CLOSE _dl_close -#endif -#define GETTIMEOFDAY _dl_gettimeofday -#endif +# if defined __SSP__ || defined __SSP_ALL__ +# error "file must not be compiled with stack protection enabled on it. Use -fno-stack-protector" +# endif + +# include <stdint.h> +# include <sys/time.h> + +# ifdef IS_IN_libc +# ifndef __SSP_QUICK_CANARY__ +# define OPEN __open +# define READ __read +# define CLOSE __close +# endif +# define GETTIMEOFDAY gettimeofday +# else +# ifndef __SSP_QUICK_CANARY__ +# define OPEN _dl_open +# define READ _dl_read +# define CLOSE _dl_close +# endif +# define GETTIMEOFDAY _dl_gettimeofday +# endif static __always_inline uintptr_t _dl_setup_stack_chk_guard(void) { uintptr_t ret; -#ifndef __SSP_QUICK_CANARY__ +# ifndef __SSP_QUICK_CANARY__ { int fd = OPEN("/dev/urandom", O_RDONLY, 0); if (fd >= 0) { @@ -48,7 +48,7 @@ static __always_inline uintptr_t _dl_setup_stack_chk_guard(void) return ret; } } -#endif /* !__SSP_QUICK_CANARY__ */ +# endif /* !__SSP_QUICK_CANARY__ */ /* Start with the "terminator canary". */ ret = 0xFF0A0D00UL; @@ -62,6 +62,7 @@ static __always_inline uintptr_t _dl_setup_stack_chk_guard(void) } return ret; } +# endif /* libc || rtld */ #endif /* __UCLIBC_HAS_SSP__ */ #endif /* _DL_OSINFO_H */ diff --git a/libc/sysdeps/linux/common/getcwd.c b/libc/sysdeps/linux/common/getcwd.c index c6a2fc005..d007993eb 100644 --- a/libc/sysdeps/linux/common/getcwd.c +++ b/libc/sysdeps/linux/common/getcwd.c @@ -47,13 +47,13 @@ static char *search_dir(dev_t this_dev, ino_t this_ino, char *path_buf, int path slow_search = 1; #endif - slen = strlen(path_buf); + slen = __strlen(path_buf); ptr = path_buf + slen - 1; if (*ptr != '/') { if (slen + 2 > path_size) { goto oops; } - strcpy(++ptr, "/"); + __strcpy(++ptr, "/"); slen++; } slen++; @@ -67,10 +67,10 @@ static char *search_dir(dev_t this_dev, ino_t this_ino, char *path_buf, int path #ifdef FAST_DIR_SEARCH_POSSIBLE if (slow_search || this_ino == d->d_ino) { #endif - if (slen + strlen(d->d_name) > path_size) { + if (slen + __strlen(d->d_name) > path_size) { goto oops; } - strcpy(ptr + 1, d->d_name); + __strcpy(ptr + 1, d->d_name); if (stat(path_buf, &st) < 0) continue; if (st.st_ino == this_ino && st.st_dev == this_dev) { @@ -108,13 +108,13 @@ static char *recurser(char *path_buf, int path_size, dev_t root_dev, ino_t root_ if (path_size < 2) { goto oops; } - strcpy(path_buf, "/"); + __strcpy(path_buf, "/"); return path_buf; } - if (strlen(path_buf) + 4 > path_size) { + if (__strlen(path_buf) + 4 > path_size) { goto oops; } - strcat(path_buf, "/.."); + __strcat(path_buf, "/.."); if (recurser(path_buf, path_size, root_dev, root_ino) == 0) return 0; @@ -141,11 +141,11 @@ int __syscall_getcwd(char * buf, unsigned long size) return -1; } /* start with actual dir */ - if (buf) strncpy(buf, ".", size); + if (buf) __strncpy(buf, ".", size); cwd = recurser(buf, size, st.st_dev, st.st_ino); if (cwd) { - len = strlen(buf); + len = __strlen(buf); __set_errno(olderrno); } return len; diff --git a/libc/sysdeps/linux/common/getdents.c b/libc/sysdeps/linux/common/getdents.c index 876420664..24ce2c8ba 100644 --- a/libc/sysdeps/linux/common/getdents.c +++ b/libc/sysdeps/linux/common/getdents.c @@ -28,7 +28,7 @@ #include <sys/types.h> #include <sys/syscall.h> - +#undef offsetof #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) struct kernel_dirent @@ -90,7 +90,7 @@ ssize_t attribute_hidden __getdents (int fd, char *buf, size_t nbytes) dp->d_off = kdp->d_off; dp->d_reclen = new_reclen; dp->d_type = DT_UNKNOWN; - memcpy (dp->d_name, kdp->d_name, + __memcpy (dp->d_name, kdp->d_name, kdp->d_reclen - offsetof (struct kernel_dirent, d_name)); dp = (struct dirent *) ((char *) dp + new_reclen); kdp = (struct kernel_dirent *) (((char *) kdp) + kdp->d_reclen); diff --git a/libc/sysdeps/linux/common/getdents64.c b/libc/sysdeps/linux/common/getdents64.c index e45d9d364..a475c948a 100644 --- a/libc/sysdeps/linux/common/getdents64.c +++ b/libc/sysdeps/linux/common/getdents64.c @@ -31,7 +31,7 @@ #if defined __UCLIBC_HAS_LFS__ && defined __NR_getdents64 - +#undef offsetof #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) struct kernel_dirent64 @@ -95,7 +95,7 @@ ssize_t attribute_hidden __getdents64 (int fd, char *buf, size_t nbytes) dp->d_off = kdp->d_off; dp->d_reclen = new_reclen; dp->d_type = DT_UNKNOWN; - memcpy (dp->d_name, kdp->d_name, + __memcpy (dp->d_name, kdp->d_name, kdp->d_reclen - offsetof (struct kernel_dirent64, d_name)); dp = (struct dirent64 *) ((char *) dp + new_reclen); kdp = (struct kernel_dirent64 *) (((char *) kdp) + kdp->d_reclen); diff --git a/libc/sysdeps/linux/common/getdirname.c b/libc/sysdeps/linux/common/getdirname.c index 4cc528fc7..d0865fba5 100644 --- a/libc/sysdeps/linux/common/getdirname.c +++ b/libc/sysdeps/linux/common/getdirname.c @@ -49,7 +49,7 @@ get_current_dir_name (void) && pwdstat.st_dev == dotstat.st_dev && pwdstat.st_ino == dotstat.st_ino) /* The PWD value is correct. Use it. */ - return strdup (pwd); + return __strdup (pwd); return getcwd ((char *) NULL, 0); } diff --git a/libc/sysdeps/linux/common/getdnnm.c b/libc/sysdeps/linux/common/getdnnm.c index aa5a7d756..3c48b4ca0 100644 --- a/libc/sysdeps/linux/common/getdnnm.c +++ b/libc/sysdeps/linux/common/getdnnm.c @@ -18,10 +18,10 @@ getdomainname(char *name, size_t len) if (uname(&uts) == -1) return -1; - if (strlen(uts.domainname)+1 > len) { + if (__strlen(uts.domainname)+1 > len) { __set_errno(EINVAL); return -1; } - strcpy(name, uts.domainname); + __strcpy(name, uts.domainname); return 0; } diff --git a/libc/sysdeps/linux/common/getdtablesize.c b/libc/sysdeps/linux/common/getdtablesize.c index 016e6f62e..8cbcebdce 100644 --- a/libc/sysdeps/linux/common/getdtablesize.c +++ b/libc/sysdeps/linux/common/getdtablesize.c @@ -16,6 +16,8 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define getrlimit __getrlimit + #include <stdlib.h> #include <unistd.h> #include <sys/resource.h> diff --git a/libc/sysdeps/linux/common/getgroups.c b/libc/sysdeps/linux/common/getgroups.c index 17a7b51c7..402d87e66 100644 --- a/libc/sysdeps/linux/common/getgroups.c +++ b/libc/sysdeps/linux/common/getgroups.c @@ -7,6 +7,8 @@ * GNU Library General Public License (LGPL) version 2 or later. */ +#define sysconf __sysconf + #include "syscalls.h" #include <unistd.h> diff --git a/libc/sysdeps/linux/common/gethstnm.c b/libc/sysdeps/linux/common/gethstnm.c index 0f7a04681..8a23e9516 100644 --- a/libc/sysdeps/linux/common/gethstnm.c +++ b/libc/sysdeps/linux/common/gethstnm.c @@ -15,10 +15,10 @@ gethostname(char *name, size_t len) if (uname(&uts) == -1) return -1; - if (strlen(uts.nodename)+1 > len) { + if (__strlen(uts.nodename)+1 > len) { __set_errno(EINVAL); return -1; } - strcpy(name, uts.nodename); + __strcpy(name, uts.nodename); return 0; } diff --git a/libc/sysdeps/linux/common/getpagesize.c b/libc/sysdeps/linux/common/getpagesize.c index 0844d5b79..8469cbb76 100644 --- a/libc/sysdeps/linux/common/getpagesize.c +++ b/libc/sysdeps/linux/common/getpagesize.c @@ -22,7 +22,7 @@ extern size_t __pagesize; /* Return the system page size. */ -int __getpagesize(void) +int attribute_hidden __libc_getpagesize(void) { if (__pagesize != 0) return __pagesize; @@ -40,5 +40,6 @@ int __getpagesize(void) #endif /* NBPG. */ #endif /* EXEC_PAGESIZE. */ } -weak_alias(__getpagesize, getpagesize); +strong_alias(__libc_getpagesize, __getpagesize) +weak_alias(__getpagesize, getpagesize) diff --git a/libc/sysdeps/linux/common/getrlimit.c b/libc/sysdeps/linux/common/getrlimit.c index faeba92f4..fef907a03 100644 --- a/libc/sysdeps/linux/common/getrlimit.c +++ b/libc/sysdeps/linux/common/getrlimit.c @@ -13,9 +13,10 @@ #ifdef __NR_ugetrlimit #define __NR___ugetrlimit __NR_ugetrlimit +static inline _syscall2(int, __ugetrlimit, enum __rlimit_resource, resource, struct rlimit *, rlim); -int getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits) +int attribute_hidden __getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits) { return (__ugetrlimit(resource, rlimits)); } @@ -23,15 +24,15 @@ int getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits) #else /* __NR_ugetrlimit */ /* Only include the old getrlimit if the new one (ugetrlimit) is not around */ -#define __NR___getrlimit __NR_getrlimit +#define __NR___syscall_getrlimit __NR_getrlimit static inline -_syscall2(int, __getrlimit, int, resource, struct rlimit *, rlim); +_syscall2(int, __syscall_getrlimit, int, resource, struct rlimit *, rlim); -int getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits) +int attribute_hidden __getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits) { int result; - result = __getrlimit(resource, rlimits); + result = __syscall_getrlimit(resource, rlimits); if (result == -1) return result; @@ -45,3 +46,5 @@ int getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits) return result; } #endif + +strong_alias(__getrlimit,getrlimit) diff --git a/libc/sysdeps/linux/common/getrlimit64.c b/libc/sysdeps/linux/common/getrlimit64.c index 1af7870af..76c3196ad 100644 --- a/libc/sysdeps/linux/common/getrlimit64.c +++ b/libc/sysdeps/linux/common/getrlimit64.c @@ -16,6 +16,8 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#define getrlimit __getrlimit + #include <features.h> #if defined _FILE_OFFSET_BITS && _FILE_OFFSET_BITS != 64 diff --git a/libc/sysdeps/linux/common/longjmp.c b/libc/sysdeps/linux/common/longjmp.c index 1a4201922..5b4eff5f5 100644 --- a/libc/sysdeps/linux/common/longjmp.c +++ b/libc/sysdeps/linux/common/longjmp.c @@ -36,7 +36,7 @@ void __libc_longjmp (sigjmp_buf env, int val) if (env[0].__mask_was_saved) /* Restore the saved signal mask. */ - (void) sigprocmask (SIG_SETMASK, &env[0].__saved_mask, + (void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask, (sigset_t *) NULL); /* Call the machine-dependent function to restore machine state. */ diff --git a/libc/sysdeps/linux/common/open.c b/libc/sysdeps/linux/common/open.c index 332d6a402..90e990a4f 100644 --- a/libc/sysdeps/linux/common/open.c +++ b/libc/sysdeps/linux/common/open.c @@ -18,7 +18,7 @@ static inline _syscall3(int, __syscall_open, const char *, file, int, flags, __kernel_mode_t, mode); -int __libc_open(const char *file, int flags, ...) +int attribute_hidden __open(const char *file, int flags, ...) { /* gcc may warn about mode being uninitialized. * Just ignore that, since gcc is wrong. */ @@ -33,9 +33,10 @@ int __libc_open(const char *file, int flags, ...) } return __syscall_open(file, flags, mode); } -weak_alias(__libc_open, open); +strong_alias(__open,open) +weak_alias(__open,__libc_open) int creat(const char *file, mode_t mode) { - return __libc_open(file, O_WRONLY | O_CREAT | O_TRUNC, mode); + return __open(file, O_WRONLY | O_CREAT | O_TRUNC, mode); } diff --git a/libc/sysdeps/linux/common/open64.c b/libc/sysdeps/linux/common/open64.c index d9a27a7bc..c1cd47141 100644 --- a/libc/sysdeps/linux/common/open64.c +++ b/libc/sysdeps/linux/common/open64.c @@ -26,11 +26,9 @@ #endif #ifdef __UCLIBC_HAS_LFS__ -extern int __libc_open (__const char *file, int oflag, ...); - /* Open FILE with access OFLAG. If OFLAG includes O_CREAT, a third argument is the file protection. */ -int __libc_open64 (const char *file, int oflag, ...) +int attribute_hidden __open64 (const char *file, int oflag, ...) { int mode = 0; @@ -42,7 +40,8 @@ int __libc_open64 (const char *file, int oflag, ...) va_end (arg); } - return __libc_open(file, oflag | O_LARGEFILE, mode); + return __open(file, oflag | O_LARGEFILE, mode); } -weak_alias (__libc_open64, open64); +strong_alias(__open64,open64) +weak_alias(__open64,__libc_open64) #endif /* __UCLIBC_HAS_LFS__ */ diff --git a/libc/sysdeps/linux/common/poll.c b/libc/sysdeps/linux/common/poll.c index 06c857c43..87d0dbb27 100644 --- a/libc/sysdeps/linux/common/poll.c +++ b/libc/sysdeps/linux/common/poll.c @@ -62,9 +62,9 @@ int poll(struct pollfd *fds, nfds_t nfds, int timeout) /* We can't call FD_ZERO, since FD_ZERO only works with sets of exactly __FD_SETSIZE size. */ - memset (rset, 0, bytes); - memset (wset, 0, bytes); - memset (xset, 0, bytes); + __memset (rset, 0, bytes); + __memset (wset, 0, bytes); + __memset (xset, 0, bytes); for (f = fds; f < &fds[nfds]; ++f) { @@ -86,13 +86,13 @@ int poll(struct pollfd *fds, nfds_t nfds, int timeout) nwset = alloca (nbytes); nxset = alloca (nbytes); - memset ((char *) nrset + bytes, 0, nbytes - bytes); - memset ((char *) nwset + bytes, 0, nbytes - bytes); - memset ((char *) nxset + bytes, 0, nbytes - bytes); + __memset ((char *) nrset + bytes, 0, nbytes - bytes); + __memset ((char *) nwset + bytes, 0, nbytes - bytes); + __memset ((char *) nxset + bytes, 0, nbytes - bytes); - rset = memcpy (nrset, rset, bytes); - wset = memcpy (nwset, wset, bytes); - xset = memcpy (nxset, xset, bytes); + rset = __memcpy (nrset, rset, bytes); + wset = __memcpy (nwset, wset, bytes); + xset = __memcpy (nxset, xset, bytes); bytes = nbytes; } @@ -126,9 +126,9 @@ int poll(struct pollfd *fds, nfds_t nfds, int timeout) struct timeval sngl_tv; /* Clear the original set. */ - memset (rset, 0, bytes); - memset (wset, 0, bytes); - memset (xset, 0, bytes); + __memset (rset, 0, bytes); + __memset (wset, 0, bytes); + __memset (xset, 0, bytes); /* This means we don't wait for input. */ sngl_tv.tv_sec = 0; @@ -145,9 +145,9 @@ int poll(struct pollfd *fds, nfds_t nfds, int timeout) { int n; - memset (sngl_rset, 0, bytes); - memset (sngl_wset, 0, bytes); - memset (sngl_xset, 0, bytes); + __memset (sngl_rset, 0, bytes); + __memset (sngl_wset, 0, bytes); + __memset (sngl_xset, 0, bytes); if (f->events & POLLIN) FD_SET (f->fd, sngl_rset); diff --git a/libc/sysdeps/linux/common/posix_fadvise.c b/libc/sysdeps/linux/common/posix_fadvise.c index a1888134b..52fc35700 100644 --- a/libc/sysdeps/linux/common/posix_fadvise.c +++ b/libc/sysdeps/linux/common/posix_fadvise.c @@ -8,22 +8,20 @@ * GNU Library General Public License (LGPL) version 2 or later. */ +/* need to hide the posix_fadvise64 prototype or the weak_alias() + * will fail when __NR_fadvise64_64 doesnt exist */ +#define posix_fadvise64 __hide_posix_fadvise64 #include "syscalls.h" #include <fcntl.h> +#undef posix_fadvise64 #ifdef __NR_fadvise64 -#define __NR___syscall_fadvise64 __NR_fadvise64 -_syscall4(int, __syscall_fadvise64, int, fd, off_t, offset, +#define __NR_posix_fadvise __NR_fadvise64 +_syscall4(int, posix_fadvise, int, fd, off_t, offset, off_t, len, int, advice); -int __libc_posix_fadvise(int fd, off_t offset, off_t len, int advice) -{ - return (__syscall_fadvise64(fd, offset, len, advice)); -} -weak_alias(__libc_posix_fadvise, posix_fadvise); -#if defined __UCLIBC_HAS_LFS__ && !defined __NR_fadvise64_64 && \ - !defined __USE_LARGEFILE64 -weak_alias(__libc_posix_fadvise, posix_fadvise64); +#if defined __UCLIBC_HAS_LFS__ && !defined __NR_fadvise64_64 +weak_alias(posix_fadvise, posix_fadvise64); #endif #else diff --git a/libc/sysdeps/linux/common/posix_fadvise64.c b/libc/sysdeps/linux/common/posix_fadvise64.c index a5dbe8de2..5c5cf9906 100644 --- a/libc/sysdeps/linux/common/posix_fadvise64.c +++ b/libc/sysdeps/linux/common/posix_fadvise64.c @@ -19,34 +19,30 @@ #ifdef __UCLIBC_HAS_LFS__ #ifdef __NR_fadvise64_64 -#define __NR___syscall_fadvise64_64 __NR_fadvise64_64 /* 64 bit implementation is cake ... or more like pie ... */ #if __WORDSIZE == 64 -_syscall4(int, __syscall_fadvise64_64, int, fd, __off64_t, offset, + +#define __NR_posix_fadvise64 __NR_fadvise64_64 +_syscall4(int, posix_fadvise64, int, fd, __off64_t, offset, __off64_t, len, int, advice); -int __libc_posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) -{ - return (__syscall_fadvise64_64(fd, offset, len, advice)); -} -weak_alias(__libc_posix_fadvise64, posix_fadvise64); /* 32 bit implementation is kind of a pita */ #elif __WORDSIZE == 32 #ifdef _syscall6 /* workaround until everyone has _syscall6() */ -_syscall6(int, __syscall_fadvise64_64, int, fd, +#define __NR___syscall_fadvise64_64 __NR_fadvise64_64 +static inline _syscall6(int, __syscall_fadvise64_64, int, fd, unsigned long, high_offset, unsigned long, low_offset, unsigned long, high_len, unsigned long, low_len, int, advice); -int __libc_posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) +int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) { return (__syscall_fadvise64_64(fd, __LONG_LONG_PAIR(offset >> 32, offset & 0xffffffff), __LONG_LONG_PAIR(len >> 32, len & 0xffffffff), advice)); } -weak_alias(__libc_posix_fadvise64, posix_fadvise64); #else #warning _syscall6 has not been defined for your machine :( #endif /* _syscall6 */ @@ -56,7 +52,7 @@ weak_alias(__libc_posix_fadvise64, posix_fadvise64); #endif #elif !defined __NR_fadvise64 -/* This is declared as a weak alias in posix_fadvice.c if __NR_fadvise64 +/* This is declared as a weak alias in posix_fadvise.c if __NR_fadvise64 * is defined. */ int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) diff --git a/libc/sysdeps/linux/common/read.c b/libc/sysdeps/linux/common/read.c index 9b9ea5bc9..6490bccbc 100644 --- a/libc/sysdeps/linux/common/read.c +++ b/libc/sysdeps/linux/common/read.c @@ -10,6 +10,7 @@ #include "syscalls.h" #include <unistd.h> -#define __NR___libc_read __NR_read -_syscall3(ssize_t, __libc_read, int, fd, __ptr_t, buf, size_t, count); -weak_alias(__libc_read, read); +#define __NR___read __NR_read +attribute_hidden _syscall3(ssize_t, __read, int, fd, __ptr_t, buf, size_t, count); +strong_alias(__read,read) +weak_alias(__read,__libc_read) diff --git a/libc/sysdeps/linux/common/setgroups.c b/libc/sysdeps/linux/common/setgroups.c index 4b4a1ddec..d92840370 100644 --- a/libc/sysdeps/linux/common/setgroups.c +++ b/libc/sysdeps/linux/common/setgroups.c @@ -7,6 +7,8 @@ * GNU Library General Public License (LGPL) version 2 or later. */ +#define sysconf __sysconf + #include "syscalls.h" #include <unistd.h> #include <grp.h> diff --git a/libc/sysdeps/linux/common/setrlimit.c b/libc/sysdeps/linux/common/setrlimit.c index c7ebe6c98..9c5466a09 100644 --- a/libc/sysdeps/linux/common/setrlimit.c +++ b/libc/sysdeps/linux/common/setrlimit.c @@ -12,12 +12,13 @@ #ifndef __NR_ugetrlimit /* Only wrap setrlimit if the new ugetrlimit is not present */ -#define __NR___setrlimit __NR_setrlimit +#define __NR___syscall_setrlimit __NR_setrlimit #include <unistd.h> #include <sys/resource.h> #define RMIN(x, y) ((x) < (y) ? (x) : (y)) -_syscall2(int, __setrlimit, int, resource, const struct rlimit *, rlim); -int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits) +static inline +_syscall2(int, __syscall_setrlimit, int, resource, const struct rlimit *, rlim); +int attribute_hidden __setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits) { struct rlimit rlimits_small; @@ -27,7 +28,7 @@ int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits) RLIM_INFINITY >> 1); rlimits_small.rlim_max = RMIN((unsigned long int) rlimits->rlim_max, RLIM_INFINITY >> 1); - return (__setrlimit(resource, &rlimits_small)); + return (__syscall_setrlimit(resource, &rlimits_small)); } #undef RMIN @@ -36,6 +37,9 @@ int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits) #include <unistd.h> struct rlimit; -_syscall2(int, setrlimit, unsigned int, resource, +#define __NR___setrlimit __NR_setrlimit +attribute_hidden _syscall2(int, __setrlimit, unsigned int, resource, const struct rlimit *, rlim); #endif + +strong_alias(__setrlimit,setrlimit) diff --git a/libc/sysdeps/linux/common/setrlimit64.c b/libc/sysdeps/linux/common/setrlimit64.c index 8d190f573..d59057c90 100644 --- a/libc/sysdeps/linux/common/setrlimit64.c +++ b/libc/sysdeps/linux/common/setrlimit64.c @@ -16,6 +16,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#define setrlimit __setrlimit #include <features.h> diff --git a/libc/sysdeps/linux/common/ssp.c b/libc/sysdeps/linux/common/ssp.c index 43708fe61..4c52d070f 100644 --- a/libc/sysdeps/linux/common/ssp.c +++ b/libc/sysdeps/linux/common/ssp.c @@ -30,10 +30,10 @@ static __always_inline void block_signals(void) sigfillset(&mask); sigdelset(&mask, SSP_SIGTYPE); /* Block all signal handlers */ - SIGPROCMASK(SIG_BLOCK, &mask, NULL); /* except SSP_SIGTYPE */ + __sigprocmask(SIG_BLOCK, &mask, NULL); /* except SSP_SIGTYPE */ /* Make the default handler associated with the signal handler */ - memset(&sa, 0, sizeof(struct sigaction)); + __memset(&sa, 0, sizeof(struct sigaction)); sigfillset(&sa.sa_mask); /* Block all signals */ sa.sa_flags = 0; sa.sa_handler = SIG_DFL; @@ -42,10 +42,10 @@ static __always_inline void block_signals(void) static __always_inline void ssp_write(int fd, const char *msg1, const char *msg2, const char *msg3) { - WRITE(fd, msg1, strlen(msg1)); - WRITE(fd, msg2, strlen(msg2)); - WRITE(fd, msg3, strlen(msg3)); - WRITE(fd, "()\n", 3); + __write(fd, msg1, __strlen(msg1)); + __write(fd, msg2, __strlen(msg2)); + __write(fd, msg3, __strlen(msg3)); + __write(fd, "()\n", 3); openlog("ssp", LOG_CONS | LOG_PID, LOG_USER); syslog(LOG_INFO, "%s%s%s()", msg1, msg2, msg3); closelog(); diff --git a/libc/sysdeps/linux/common/syscalls.h b/libc/sysdeps/linux/common/syscalls.h index b42f82100..743ac8a74 100644 --- a/libc/sysdeps/linux/common/syscalls.h +++ b/libc/sysdeps/linux/common/syscalls.h @@ -29,10 +29,8 @@ #include <endian.h> #undef __OPTIMIZE__ -/* - * We absolutely do _NOT_ want interfaces silently - * renamed under us or very bad things will happen... - */ +/* We absolutely do _NOT_ want interfaces silently + * * * renamed under us or very bad things will happen... */ #ifdef __USE_FILE_OFFSET64 # undef __USE_FILE_OFFSET64 #endif diff --git a/libc/sysdeps/linux/common/ulimit.c b/libc/sysdeps/linux/common/ulimit.c index 2394edaae..b8e09fc8f 100644 --- a/libc/sysdeps/linux/common/ulimit.c +++ b/libc/sysdeps/linux/common/ulimit.c @@ -18,6 +18,10 @@ * */ +#define sysconf __sysconf +#define getrlimit __getrlimit +#define setrlimit __setrlimit + #define _GNU_SOURCE #define _LARGEFILE64_SOURCE #include <features.h> diff --git a/libc/sysdeps/linux/common/write.c b/libc/sysdeps/linux/common/write.c index b7e34f81c..d3b5fab93 100644 --- a/libc/sysdeps/linux/common/write.c +++ b/libc/sysdeps/linux/common/write.c @@ -10,9 +10,12 @@ #include "syscalls.h" #include <unistd.h> -#define __NR___libc_write __NR_write -_syscall3(ssize_t, __libc_write, int, fd, const __ptr_t, buf, size_t, count); -weak_alias(__libc_write, write); +#define __NR___write __NR_write +attribute_hidden _syscall3(ssize_t, __write, int, fd, const __ptr_t, buf, size_t, count); +strong_alias(__write,write) +weak_alias(__write,__libc_write) +#if 0 /* Stupid libgcc.a from gcc 2.95.x uses __write in pure.o * which is a blatent GNU libc-ism... */ weak_alias(__libc_write, __write); +#endif |