diff options
Diffstat (limited to 'libc/sysdeps/linux')
33 files changed, 789 insertions, 231 deletions
diff --git a/libc/sysdeps/linux/arm/Makefile.arch b/libc/sysdeps/linux/arm/Makefile.arch index b53c539bf..14279e0d7 100644 --- a/libc/sysdeps/linux/arm/Makefile.arch +++ b/libc/sysdeps/linux/arm/Makefile.arch @@ -24,7 +24,12 @@ ifeq ($(UCLIBC_HAS_ADVANCED_REALTIME),y) CSRC += posix_fadvise.c posix_fadvise64.c endif -ifeq ($(CONFIG_ARM_EABI),y) +# Is our compiler set up for EABI ? +IS_EABI:=$(shell $(CC) $(CFLAGS) -x c - -E -dM </dev/null 2>/dev/null \ + |sed -r -e '/^\#[[:space:]]*define[[:space:]]+__ARM_EABI__([[:space:]]+1)?$$/!d; s/.+/y/;' \ + ) + +ifeq ($(IS_EABI),y) CSRC += aeabi_assert.c aeabi_atexit.c aeabi_errno_addr.c \ aeabi_localeconv.c aeabi_memclr.c aeabi_memcpy.c \ aeabi_memmove.c aeabi_memset.c find_exidx.c @@ -37,7 +42,7 @@ else CSRC += syscall.c endif -ifeq ($(CONFIG_ARM_EABI),y) +ifeq ($(IS_EABI),y) libc-static-y += $(ARCH_OUT)/aeabi_lcsts.o $(ARCH_OUT)/aeabi_math.o \ $(ARCH_OUT)/aeabi_sighandlers.o libc-nonshared-y += $(ARCH_OUT)/aeabi_lcsts.os $(ARCH_OUT)/aeabi_math.os \ diff --git a/libc/sysdeps/linux/arm/bits/arm_asm.h b/libc/sysdeps/linux/arm/bits/arm_asm.h index 1d87df6eb..921c9a3c9 100644 --- a/libc/sysdeps/linux/arm/bits/arm_asm.h +++ b/libc/sysdeps/linux/arm/bits/arm_asm.h @@ -24,5 +24,12 @@ #define THUMB1_ONLY 1 #endif -#endif /* _ARM_ASM_H */ +#if defined(__USE_BX__) +# if ( defined (__ARM_ARCH_2__) || defined (__ARM_ARCH_3__) \ + || defined (__ARM_ARCH_3M__) || defined (__ARM_ARCH_4__) \ + ) +# error Use of BX was requested, but is not available on the target processor. +# endif /* ARCH level */ +#endif /* __USE_BX__ */ +#endif /* _ARM_ASM_H */ diff --git a/libc/sysdeps/linux/arm/bits/huge_val.h b/libc/sysdeps/linux/arm/bits/huge_val.h index a215f3c0b..745e0bbd5 100644 --- a/libc/sysdeps/linux/arm/bits/huge_val.h +++ b/libc/sysdeps/linux/arm/bits/huge_val.h @@ -32,7 +32,7 @@ # define HUGE_VAL (__extension__ 0x1.0p2047) #elif defined __GNUC__ -#ifndef __CONFIG_ARM_EABI__ +#ifndef __ARM_EABI__ # define HUGE_VAL \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ @@ -50,7 +50,7 @@ typedef union { unsigned char __c[8]; double __d; } __huge_val_t; -#ifndef __CONFIG_ARM_EABI__ +#ifndef __ARM_EABI__ # if __BYTE_ORDER == __BIG_ENDIAN # define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 } # endif diff --git a/libc/sysdeps/linux/arm/crtn.S b/libc/sysdeps/linux/arm/crtn.S index de01b38dc..a4752c186 100644 --- a/libc/sysdeps/linux/arm/crtn.S +++ b/libc/sysdeps/linux/arm/crtn.S @@ -15,7 +15,6 @@ .arm ldmdb fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc} #endif - .size _init, .-_init .section .fini .global _fini @@ -29,7 +28,6 @@ .arm ldmdb fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc} #endif - .size _fini, .-_fini @ In fact this is modified to 3.4.4 .ident "GCC: (GNU) 3.3.2 20031005 (Debian prerelease)" diff --git a/libc/sysdeps/linux/arm/sysdep.h b/libc/sysdeps/linux/arm/sysdep.h index 013f88cdd..e498695be 100644 --- a/libc/sysdeps/linux/arm/sysdep.h +++ b/libc/sysdeps/linux/arm/sysdep.h @@ -21,6 +21,7 @@ #define _LINUX_ARM_SYSDEP_H 1 #include <common/sysdep.h> +#include <bits/arm_asm.h> #include <sys/syscall.h> /* For Linux we can use the system call table in the header file diff --git a/libc/sysdeps/linux/arm/unwind.h b/libc/sysdeps/linux/arm/unwind.h new file mode 100644 index 000000000..eeb9cf8b6 --- /dev/null +++ b/libc/sysdeps/linux/arm/unwind.h @@ -0,0 +1,279 @@ +/* Header file for the ARM EABI unwinder + Copyright (C) 2003, 2004, 2005, 2009 Free Software Foundation, Inc. + Contributed by Paul Brook + + This file is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) any + later version. + + In addition to the permissions in the GNU General Public License, the + Free Software Foundation gives you unlimited permission to link the + compiled version of this file into combinations with other programs, + and to distribute those combinations without any restriction coming + from the use of this file. (The General Public License restrictions + do apply in other respects; for example, they cover modification of + the file, and distribution when not linked into a combine + executable.) + + This file 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* Language-independent unwinder header public defines. This contains both + ABI defined objects, and GNU support routines. */ + +#ifndef UNWIND_ARM_H +#define UNWIND_ARM_H + +#define __ARM_EABI_UNWINDER__ 1 + +#ifdef __cplusplus +extern "C" { +#endif + typedef unsigned _Unwind_Word __attribute__((__mode__(__word__))); + typedef signed _Unwind_Sword __attribute__((__mode__(__word__))); + typedef unsigned _Unwind_Ptr __attribute__((__mode__(__pointer__))); + typedef unsigned _Unwind_Internal_Ptr __attribute__((__mode__(__pointer__))); + typedef _Unwind_Word _uw; + typedef unsigned _uw64 __attribute__((mode(__DI__))); + typedef unsigned _uw16 __attribute__((mode(__HI__))); + typedef unsigned _uw8 __attribute__((mode(__QI__))); + + typedef enum + { + _URC_OK = 0, /* operation completed successfully */ + _URC_FOREIGN_EXCEPTION_CAUGHT = 1, + _URC_END_OF_STACK = 5, + _URC_HANDLER_FOUND = 6, + _URC_INSTALL_CONTEXT = 7, + _URC_CONTINUE_UNWIND = 8, + _URC_FAILURE = 9 /* unspecified failure of some kind */ + } + _Unwind_Reason_Code; + + typedef enum + { + _US_VIRTUAL_UNWIND_FRAME = 0, + _US_UNWIND_FRAME_STARTING = 1, + _US_UNWIND_FRAME_RESUME = 2, + _US_ACTION_MASK = 3, + _US_FORCE_UNWIND = 8, + _US_END_OF_STACK = 16 + } + _Unwind_State; + + /* Provided only for for compatibility with existing code. */ + typedef int _Unwind_Action; +#define _UA_SEARCH_PHASE 1 +#define _UA_CLEANUP_PHASE 2 +#define _UA_HANDLER_FRAME 4 +#define _UA_FORCE_UNWIND 8 +#define _UA_END_OF_STACK 16 +#define _URC_NO_REASON _URC_OK + + typedef struct _Unwind_Control_Block _Unwind_Control_Block; + typedef struct _Unwind_Context _Unwind_Context; + typedef _uw _Unwind_EHT_Header; + + + /* UCB: */ + + struct _Unwind_Control_Block + { +#ifdef _LIBC + /* For the benefit of code which assumes this is a scalar. All + glibc ever does is clear it. */ + _uw64 exception_class; +#else + char exception_class[8]; +#endif + void (*exception_cleanup)(_Unwind_Reason_Code, _Unwind_Control_Block *); + /* Unwinder cache, private fields for the unwinder's use */ + struct + { + _uw reserved1; /* Forced unwind stop fn, 0 if not forced */ + _uw reserved2; /* Personality routine address */ + _uw reserved3; /* Saved callsite address */ + _uw reserved4; /* Forced unwind stop arg */ + _uw reserved5; + } + unwinder_cache; + /* Propagation barrier cache (valid after phase 1): */ + struct + { + _uw sp; + _uw bitpattern[5]; + } + barrier_cache; + /* Cleanup cache (preserved over cleanup): */ + struct + { + _uw bitpattern[4]; + } + cleanup_cache; + /* Pr cache (for pr's benefit): */ + struct + { + _uw fnstart; /* function start address */ + _Unwind_EHT_Header *ehtp; /* pointer to EHT entry header word */ + _uw additional; /* additional data */ + _uw reserved1; + } + pr_cache; + long long int :0; /* Force alignment to 8-byte boundary */ + }; + + /* Virtual Register Set*/ + + typedef enum + { + _UVRSC_CORE = 0, /* integer register */ + _UVRSC_VFP = 1, /* vfp */ + _UVRSC_FPA = 2, /* fpa */ + _UVRSC_WMMXD = 3, /* Intel WMMX data register */ + _UVRSC_WMMXC = 4 /* Intel WMMX control register */ + } + _Unwind_VRS_RegClass; + + typedef enum + { + _UVRSD_UINT32 = 0, + _UVRSD_VFPX = 1, + _UVRSD_FPAX = 2, + _UVRSD_UINT64 = 3, + _UVRSD_FLOAT = 4, + _UVRSD_DOUBLE = 5 + } + _Unwind_VRS_DataRepresentation; + + typedef enum + { + _UVRSR_OK = 0, + _UVRSR_NOT_IMPLEMENTED = 1, + _UVRSR_FAILED = 2 + } + _Unwind_VRS_Result; + + /* Frame unwinding state. */ + typedef struct + { + /* The current word (bytes packed msb first). */ + _uw data; + /* Pointer to the next word of data. */ + _uw *next; + /* The number of bytes left in this word. */ + _uw8 bytes_left; + /* The number of words pointed to by ptr. */ + _uw8 words_left; + } + __gnu_unwind_state; + + typedef _Unwind_Reason_Code (*personality_routine) (_Unwind_State, + _Unwind_Control_Block *, _Unwind_Context *); + + _Unwind_VRS_Result _Unwind_VRS_Set(_Unwind_Context *, _Unwind_VRS_RegClass, + _uw, _Unwind_VRS_DataRepresentation, + void *); + + _Unwind_VRS_Result _Unwind_VRS_Get(_Unwind_Context *, _Unwind_VRS_RegClass, + _uw, _Unwind_VRS_DataRepresentation, + void *); + + _Unwind_VRS_Result _Unwind_VRS_Pop(_Unwind_Context *, _Unwind_VRS_RegClass, + _uw, _Unwind_VRS_DataRepresentation); + + + /* Support functions for the PR. */ +#define _Unwind_Exception _Unwind_Control_Block + typedef char _Unwind_Exception_Class[8]; + + void * _Unwind_GetLanguageSpecificData (_Unwind_Context *); + _Unwind_Ptr _Unwind_GetRegionStart (_Unwind_Context *); + + /* These two should never be used. */ + _Unwind_Ptr _Unwind_GetDataRelBase (_Unwind_Context *); + _Unwind_Ptr _Unwind_GetTextRelBase (_Unwind_Context *); + + /* Interface functions: */ + _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Control_Block *ucbp); + void __attribute__((noreturn)) _Unwind_Resume(_Unwind_Control_Block *ucbp); + _Unwind_Reason_Code _Unwind_Resume_or_Rethrow (_Unwind_Control_Block *ucbp); + + typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn) + (int, _Unwind_Action, _Unwind_Exception_Class, + _Unwind_Control_Block *, struct _Unwind_Context *, void *); + _Unwind_Reason_Code _Unwind_ForcedUnwind (_Unwind_Control_Block *, + _Unwind_Stop_Fn, void *); + _Unwind_Word _Unwind_GetCFA (struct _Unwind_Context *); + void _Unwind_Complete(_Unwind_Control_Block *ucbp); + void _Unwind_DeleteException (_Unwind_Exception *); + + _Unwind_Reason_Code __gnu_unwind_frame (_Unwind_Control_Block *, + _Unwind_Context *); + _Unwind_Reason_Code __gnu_unwind_execute (_Unwind_Context *, + __gnu_unwind_state *); + + /* Decode an R_ARM_TARGET2 relocation. */ + static inline _Unwind_Word + _Unwind_decode_target2 (_Unwind_Word ptr) + { + _Unwind_Word tmp; + + tmp = *(_Unwind_Word *) ptr; + /* Zero values are always NULL. */ + if (!tmp) + return 0; + +#if defined(linux) || defined(__NetBSD__) + /* Pc-relative indirect. */ + tmp += ptr; + tmp = *(_Unwind_Word *) tmp; +#elif defined(__symbian__) + /* Absolute pointer. Nothing more to do. */ +#else + /* Pc-relative pointer. */ + tmp += ptr; +#endif + return tmp; + } + + static inline _Unwind_Word + _Unwind_GetGR (_Unwind_Context *context, int regno) + { + _uw val; + _Unwind_VRS_Get (context, _UVRSC_CORE, regno, _UVRSD_UINT32, &val); + return val; + } + + /* Return the address of the instruction, not the actual IP value. */ +#define _Unwind_GetIP(context) \ + (_Unwind_GetGR (context, 15) & ~(_Unwind_Word)1) + + static inline void + _Unwind_SetGR (_Unwind_Context *context, int regno, _Unwind_Word val) + { + _Unwind_VRS_Set (context, _UVRSC_CORE, regno, _UVRSD_UINT32, &val); + } + + /* The dwarf unwinder doesn't understand arm/thumb state. We assume the + landing pad uses the same instruction set as the call site. */ +#define _Unwind_SetIP(context, val) \ + _Unwind_SetGR (context, 15, val | (_Unwind_GetGR (context, 15) & 1)) + +typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn) + (struct _Unwind_Context *, void *); + +extern _Unwind_Reason_Code _Unwind_Backtrace (_Unwind_Trace_Fn, void *); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* defined UNWIND_ARM_H */ diff --git a/libc/sysdeps/linux/avr32/crtn.S b/libc/sysdeps/linux/avr32/crtn.S index f7d104070..c37f7d201 100644 --- a/libc/sysdeps/linux/avr32/crtn.S +++ b/libc/sysdeps/linux/avr32/crtn.S @@ -4,11 +4,9 @@ .global _init .type _init, @function ldm sp++, r6, pc - .size _init, . - _init .section .fini .align 2 .global _fini .type _fini, @function ldm sp++, r6, pc - .size _fini, . - _fini diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in index 8811268d0..8f936ffcc 100644 --- a/libc/sysdeps/linux/common/Makefile.in +++ b/libc/sysdeps/linux/common/Makefile.in @@ -19,14 +19,14 @@ CSRC-$(UCLIBC_LINUX_MODULE_24) += create_module.c query_module.c \ get_kernel_syms.c # we need these internally: fstatfs.c statfs.c CSRC-$(UCLIBC_LINUX_SPECIFIC) += capget.c capset.c inotify.c ioperm.c iopl.c \ - madvise.c modify_ldt.c personality.c ppoll.c prctl.c readahead.c reboot.c \ + modify_ldt.c pipe2.c personality.c ppoll.c prctl.c \ + readahead.c reboot.c \ remap_file_pages.c sched_getaffinity.c sched_setaffinity.c \ sendfile64.c sendfile.c setfsgid.c setfsuid.c setresuid.c \ splice.c vmsplice.c tee.c signalfd.c swapoff.c swapon.c \ sync_file_range.c sysctl.c sysinfo.c timerfd.c uselib.c vhangup.c -ifeq ($(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE),yy) -CSRC-y += madvise.c -endif +# NPTL needs these internally: madvise.c +CSRC-$(findstring y,$(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE)) += madvise.c ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) CSRC- += fork.c getpid.c raise.c open.c close.c read.c write.c CSRC- += $(if $(findstring =arm=,=$(TARGET_ARCH)=),vfork.c) @@ -52,7 +52,7 @@ CSRC-$(UCLIBC_HAS_XATTR) += xattr.c CSRC-$(UCLIBC_HAS_PROFILING) += noophooks.c #pcprofile.c CSRC-$(UCLIBC_SV4_DEPRECATED) += ustat.c CSRC- += $(if $(findstring =c6x=,=$(TARGET_ARCH)=),vfork.c) -CSRC- += $(if $(findstring =sh=,=$(TARGET_ARCH)=),longjmp.c vfork.c) +CSRC- += $(if $(findstring =sh=,=$(TARGET_ARCH)=),vfork.c) CSRC- += $(if $(findstring =sparc=,=$(TARGET_ARCH)=),vfork.c) CSRC- += $(if $(findstring =i386=,=$(TARGET_ARCH)=),vfork.c) diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h index 68b881c09..6bf554457 100644 --- a/libc/sysdeps/linux/common/bits/kernel-features.h +++ b/libc/sysdeps/linux/common/bits/kernel-features.h @@ -309,6 +309,19 @@ # define __ASSUME_O_CLOEXEC 1 #endif +/* Support for various CLOEXEC and NONBLOCK flags was added for x86, + * x86-64, PPC, IA-64, and SPARC in 2.6.27. */ +#if __LINUX_KERNEL_VERSION >= 0x02061b \ + && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \ + || defined __ia64__ || defined __sparc__ || defined __s390__) +/* # define __ASSUME_SOCK_CLOEXEC 1 */ +/* # define __ASSUME_IN_NONBLOCK 1 */ +# define __ASSUME_PIPE2 1 +/* # define __ASSUME_EVENTFD2 1 */ +/* # define __ASSUME_SIGNALFD4 1 */ +#endif + + /* These features were surely available with 2.4.12. */ #if __LINUX_KERNEL_VERSION >= 132108 && defined __mc68000__ # define __ASSUME_MMAP2_SYSCALL 1 @@ -454,6 +467,18 @@ #define __ASSUME_IEEE_RAISE_EXCEPTION 1 #endif +/* Support for the accept4 syscall was added in 2.6.28. */ +#if __LINUX_KERNEL_VERSION >= 0x02061c \ + && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \ + || defined __sparc__ || defined __s390__) +# define __ASSUME_ACCEPT4 1 +#endif + +/* Support for the accept4 syscall for alpha was added after 2.6.33-rc1. */ +#if __LINUX_KERNEL_VERSION >= 0x020621 && defined __alpha__ +# define __ASSUME_ACCEPT4 1 +#endif + /* Support for the FUTEX_CLOCK_REALTIME flag was added in 2.6.29. */ #if __LINUX_KERNEL_VERSION >= 0x02061d # define __ASSUME_FUTEX_CLOCK_REALTIME 1 diff --git a/libc/sysdeps/linux/common/epoll.c b/libc/sysdeps/linux/common/epoll.c index dda92282e..ab3e73bb7 100644 --- a/libc/sysdeps/linux/common/epoll.c +++ b/libc/sysdeps/linux/common/epoll.c @@ -9,6 +9,11 @@ #include <sys/syscall.h> #include <sys/epoll.h> +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +# include <sysdep-cancel.h> +#else +# define SINGLE_THREAD_P 1 +#endif /* * epoll_create() @@ -18,6 +23,13 @@ _syscall1(int, epoll_create, int, size) #endif /* + * epoll_create1() + */ +#ifdef __NR_epoll_create1 +_syscall1(int, epoll_create1, int, flags) +#endif + +/* * epoll_ctl() */ #ifdef __NR_epoll_ctl @@ -28,5 +40,44 @@ _syscall4(int,epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, even * epoll_wait() */ #ifdef __NR_epoll_wait -_syscall4(int, epoll_wait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout) +extern __typeof(epoll_wait) __libc_epoll_wait; +int __libc_epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout) +{ + if (SINGLE_THREAD_P) + return INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout); +# ifdef __UCLIBC_HAS_THREADS_NATIVE__ + else { + int oldtype = LIBC_CANCEL_ASYNC (); + int result = INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout); + LIBC_CANCEL_RESET (oldtype); + return result; + } +# endif +} +weak_alias(__libc_epoll_wait, epoll_wait) +#endif + +/* + * epoll_pwait() + */ +#ifdef __NR_epoll_pwait +# include <signal.h> + +extern __typeof(epoll_pwait) __libc_epoll_pwait; +int __libc_epoll_pwait(int epfd, struct epoll_event *events, int maxevents, + int timeout, const sigset_t *set) +{ + int nsig = _NSIG / 8; + if (SINGLE_THREAD_P) + return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig); +# ifdef __UCLIBC_HAS_THREADS_NATIVE__ + else { + int oldtype = LIBC_CANCEL_ASYNC (); + int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig); + LIBC_CANCEL_RESET (oldtype); + return result; + } +# endif +} +weak_alias(__libc_epoll_pwait, epoll_pwait) #endif diff --git a/libc/sysdeps/linux/common/getcwd.c b/libc/sysdeps/linux/common/getcwd.c index 75d7a1c8b..87510019e 100644 --- a/libc/sysdeps/linux/common/getcwd.c +++ b/libc/sysdeps/linux/common/getcwd.c @@ -69,7 +69,7 @@ static char *search_dir(dev_t this_dev, ino_t this_ino, char *path_buf, int path slen++; dp = opendir(path_buf); - if (dp == 0) { + if (!dp) { goto oops; } @@ -78,6 +78,7 @@ static char *search_dir(dev_t this_dev, ino_t this_ino, char *path_buf, int path if (slow_search || this_ino == d->d_ino) { # endif if (slen + strlen(d->d_name) > path_size) { + closedir(dp); goto oops; } strcpy(ptr + 1, d->d_name); diff --git a/libc/sysdeps/linux/common/longjmp.c b/libc/sysdeps/linux/common/longjmp.c index b07eced6a..f3448bc6f 100644 --- a/libc/sysdeps/linux/common/longjmp.c +++ b/libc/sysdeps/linux/common/longjmp.c @@ -24,7 +24,7 @@ extern void __longjmp (__jmp_buf __env, int __val) attribute_noreturn; libc_hidden_proto(__longjmp) -#if 0 +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ extern void _longjmp_unwind (jmp_buf env, int val); #endif @@ -34,7 +34,7 @@ extern __typeof(longjmp) __libc_longjmp attribute_noreturn; call there to return VAL, or 1 if VAL is 0. */ void __libc_longjmp (sigjmp_buf env, int val) { -#if 0 +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ /* Perform any cleanups needed by the frames being unwound. */ _longjmp_unwind (env, val); #endif diff --git a/libc/sysdeps/linux/common/pipe2.c b/libc/sysdeps/linux/common/pipe2.c new file mode 100644 index 000000000..0a3686d81 --- /dev/null +++ b/libc/sysdeps/linux/common/pipe2.c @@ -0,0 +1,16 @@ +/* vi: set sw=4 ts=4: */ +/* + * pipe2() for uClibc + * + * Copyright (C) 2011 Bernhard Reutner-Fischer <uclibc@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <sys/syscall.h> +#include <unistd.h> + +#ifdef __NR_pipe2 +_syscall2(int, pipe2, int *, filedes, int, flags) +libc_hidden_def(pipe2) +#endif diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c index 655c64001..e14bbc3a0 100644 --- a/libc/sysdeps/linux/common/stubs.c +++ b/libc/sysdeps/linux/common/stubs.c @@ -31,10 +31,48 @@ static int enosys_stub(void) # undef __NR_sync_file_range #endif +#ifndef __UCLIBC_LINUX_SPECIFIC__ +# undef __NR_pipe2 +#endif + +#ifndef __UCLIBC_HAS_SOCKET__ +# undef __NR_accept +# undef __NR_accept4 +# undef __NR_bind +# undef __NR_connect +# undef __NR_getpeername +# undef __NR_getsockname +# undef __NR_getsockopt +# undef __NR_listen +# undef __NR_recv +# undef __NR_recvfrom +# undef __NR_recvmsg +# undef __NR_send +# undef __NR_sendmsg +# undef __NR_sendto +# undef __NR_setsockopt +# undef __NR_shutdown +# undef __NR_socket +# undef __NR_socketcall +# undef __NR_socketpair +#endif + +#if !defined __NR_accept && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(accept) +#endif + +#if !defined __NR_accept4 && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(accept4) +#endif + #ifndef __NR_bdflush make_stub(bdflush) #endif +#if !defined __NR_bind && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(bind) +#endif + #ifndef __NR_capget make_stub(capget) #endif @@ -43,6 +81,10 @@ make_stub(capget) make_stub(capset) #endif +#if !defined __NR_connect && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(connect) +#endif + #ifndef __NR_create_module make_stub(create_module) #endif @@ -91,10 +133,22 @@ make_stub(fsetxattr) make_stub(get_kernel_syms) #endif +#if !defined __NR_getpeername && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(getpeername) +#endif + #if !defined(__NR_getpgrp) && (defined(__NR_getpgid) && (defined(__NR_getpid) || defined(__NR_getxpid))) make_stub(getpgrp) #endif +#if !defined __NR_getsockname && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(getsockname) +#endif + +#if !defined __NR_getsockopt && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(getsockopt) +#endif + #ifndef __NR_getxattr make_stub(getxattr) #endif @@ -107,6 +161,10 @@ make_stub(init_module) make_stub(lgetxattr) #endif +#if !defined __NR_listen && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(listen) +#endif + #ifndef __NR_listxattr make_stub(listxattr) #endif @@ -123,6 +181,10 @@ make_stub(lremovexattr) make_stub(lsetxattr) #endif +#ifndef __NR_pipe2 +make_stub(pipe2) +#endif + #ifndef __NR_pivot_root make_stub(pivot_root) #endif @@ -131,6 +193,18 @@ make_stub(pivot_root) make_stub(query_module) #endif +#if !defined __NR_recv && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(recv) +#endif + +#if !defined __NR_recvfrom && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(recvfrom) +#endif + +#if !defined __NR_recvmsg && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(recvmsg) +#endif + #ifndef __NR_removexattr make_stub(removexattr) #endif @@ -143,14 +217,46 @@ make_stub(sched_getaffinity) make_stub(sched_setaffinity) #endif +#if !defined __NR_send && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(send) +#endif + +#if !defined __NR_sendmsg && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(sendmsg) +#endif + +#if !defined __NR_sendto && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(sendto) +#endif + +#if !defined __NR_setsockopt && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(setsockopt) +#endif + #ifndef __NR_setxattr make_stub(setxattr) #endif +#if !defined __NR_shutdown && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(shutdown) +#endif + #if !defined(__NR_signalfd4) && !defined(__NR_signalfd) make_stub(signalfd) #endif +#if !defined __NR_socket && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(socket) +#endif + +#if !defined __NR_socketcall && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(socketcall) +#endif + +#if !defined __NR_socketpair && !defined __NR_socketcall && !defined __UCLIBC_HAS_SOCKET__ +make_stub(socketpair) +#endif + #ifndef __NR_rt_sigtimedwait make_stub(sigtimedwait) make_stub(sigwaitinfo) diff --git a/libc/sysdeps/linux/common/sys/epoll.h b/libc/sysdeps/linux/common/sys/epoll.h index 44e814bfd..a04bd704c 100644 --- a/libc/sysdeps/linux/common/sys/epoll.h +++ b/libc/sysdeps/linux/common/sys/epoll.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002-2006, 2007, 2008, 2009 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 @@ -22,6 +22,42 @@ #include <stdint.h> #include <sys/types.h> +/* Get __sigset_t. */ +#include <bits/sigset.h> + +#ifndef __sigset_t_defined +# define __sigset_t_defined +typedef __sigset_t sigset_t; +#endif + + +/* Flags to be passed to epoll_create1. */ + +enum + { +#if defined __alpha__ + EPOLL_CLOEXEC = 010000000, +# define EPOLL_CLOEXEC EPOLL_CLOEXEC + EPOLL_NONBLOCK = 04 +# define EPOLL_NONBLOCK EPOLL_NONBLOCK +#else +# if defined __sparc__ + EPOLL_CLOEXEC = 020000000, +# else + EPOLL_CLOEXEC = 02000000, +# endif +# define EPOLL_CLOEXEC EPOLL_CLOEXEC +# if defined __mips__ + EPOLL_NONBLOCK = 0200 +# elif defined __sparc__ + EPOLL_NONBLOCK = 040000 +# else + EPOLL_NONBLOCK = 04000 +# endif +#define EPOLL_NONBLOCK EPOLL_NONBLOCK +#endif + }; + enum EPOLL_EVENTS { @@ -55,9 +91,9 @@ enum EPOLL_EVENTS /* Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). */ -#define EPOLL_CTL_ADD 1 /* Add a file decriptor to the interface. */ -#define EPOLL_CTL_DEL 2 /* Remove a file decriptor from the interface. */ -#define EPOLL_CTL_MOD 3 /* Change file decriptor epoll_event structure. */ +#define EPOLL_CTL_ADD 1 /* Add a file descriptor to the interface. */ +#define EPOLL_CTL_DEL 2 /* Remove a file descriptor from the interface. */ +#define EPOLL_CTL_MOD 3 /* Change file descriptor epoll_event structure. */ typedef union epoll_data @@ -72,7 +108,11 @@ struct epoll_event { uint32_t events; /* Epoll events */ epoll_data_t data; /* User data variable */ -}; +} +#if defined __x86_64__ +__attribute__((packed)) +#endif +; __BEGIN_DECLS @@ -83,6 +123,10 @@ __BEGIN_DECLS returned by epoll_create() should be closed with close(). */ extern int epoll_create (int __size) __THROW; +/* Same as epoll_create but with a FLAGS parameter. The unused SIZE + parameter has been dropped. */ +extern int epoll_create1 (int __flags) __THROW; + /* Manipulate an epoll instance "epfd". Returns 0 in case of success, -1 in case of error ( the "errno" variable will contain the @@ -107,6 +151,16 @@ extern int epoll_ctl (int __epfd, int __op, int __fd, extern int epoll_wait (int __epfd, struct epoll_event *__events, int __maxevents, int __timeout); + +/* Same as epoll_wait, but the thread's signal mask is temporarily + and atomically replaced with the one provided as parameter. + + This function is a cancellation point and therefore not marked with + __THROW. */ +extern int epoll_pwait (int __epfd, struct epoll_event *__events, + int __maxevents, int __timeout, + __const __sigset_t *__ss); + __END_DECLS #endif /* sys/epoll.h */ diff --git a/libc/sysdeps/linux/common/unwind.h b/libc/sysdeps/linux/common/unwind.h new file mode 100644 index 000000000..81fc4db55 --- /dev/null +++ b/libc/sysdeps/linux/common/unwind.h @@ -0,0 +1,220 @@ +/* Exception handling and frame unwind runtime interface routines. + Copyright (C) 2001, 2003 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. */ + +/* This is derived from the C++ ABI for IA-64. Where we diverge + for cross-architecture compatibility are noted with "@@@". */ + +#ifndef _UNWIND_H +#define _UNWIND_H 1 + +#ifdef __cplusplus +extern "C" { +#endif + +/* Level 1: Base ABI */ + +/* @@@ The IA-64 ABI uses uint64 throughout. Most places this is + inefficient for 32-bit and smaller machines. */ +typedef unsigned _Unwind_Word __attribute__((__mode__(__word__))); +typedef signed _Unwind_Sword __attribute__((__mode__(__word__))); +#if defined(__ia64__) && defined(__hpux__) +typedef unsigned _Unwind_Ptr __attribute__((__mode__(__word__))); +#else +typedef unsigned _Unwind_Ptr __attribute__((__mode__(__pointer__))); +#endif +typedef unsigned _Unwind_Internal_Ptr __attribute__((__mode__(__pointer__))); + +/* @@@ The IA-64 ABI uses a 64-bit word to identify the producer and + consumer of an exception. We'll go along with this for now even on + 32-bit machines. We'll need to provide some other option for + 16-bit machines and for machines with > 8 bits per byte. */ +typedef unsigned _Unwind_Exception_Class __attribute__((__mode__(__DI__))); + +/* The unwind interface uses reason codes in several contexts to + identify the reasons for failures or other actions. */ +typedef enum +{ + _URC_NO_REASON = 0, + _URC_FOREIGN_EXCEPTION_CAUGHT = 1, + _URC_FATAL_PHASE2_ERROR = 2, + _URC_FATAL_PHASE1_ERROR = 3, + _URC_NORMAL_STOP = 4, + _URC_END_OF_STACK = 5, + _URC_HANDLER_FOUND = 6, + _URC_INSTALL_CONTEXT = 7, + _URC_CONTINUE_UNWIND = 8 +} _Unwind_Reason_Code; + + +/* The unwind interface uses a pointer to an exception header object + as its representation of an exception being thrown. In general, the + full representation of an exception object is language- and + implementation-specific, but it will be prefixed by a header + understood by the unwind interface. */ + +struct _Unwind_Exception; + +typedef void (*_Unwind_Exception_Cleanup_Fn) (_Unwind_Reason_Code, + struct _Unwind_Exception *); + +struct _Unwind_Exception +{ + _Unwind_Exception_Class exception_class; + _Unwind_Exception_Cleanup_Fn exception_cleanup; + _Unwind_Word private_1; + _Unwind_Word private_2; + + /* @@@ The IA-64 ABI says that this structure must be double-word aligned. + Taking that literally does not make much sense generically. Instead we + provide the maximum alignment required by any type for the machine. */ +} __attribute__((__aligned__)); + + +/* The ACTIONS argument to the personality routine is a bitwise OR of one + or more of the following constants. */ +typedef int _Unwind_Action; + +#define _UA_SEARCH_PHASE 1 +#define _UA_CLEANUP_PHASE 2 +#define _UA_HANDLER_FRAME 4 +#define _UA_FORCE_UNWIND 8 +#define _UA_END_OF_STACK 16 + +/* This is an opaque type used to refer to a system-specific data + structure used by the system unwinder. This context is created and + destroyed by the system, and passed to the personality routine + during unwinding. */ +struct _Unwind_Context; + +/* Raise an exception, passing along the given exception object. */ +extern _Unwind_Reason_Code _Unwind_RaiseException (struct _Unwind_Exception *); + +/* Raise an exception for forced unwinding. */ + +typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn) + (int, _Unwind_Action, _Unwind_Exception_Class, + struct _Unwind_Exception *, struct _Unwind_Context *, void *); + +extern _Unwind_Reason_Code _Unwind_ForcedUnwind (struct _Unwind_Exception *, + _Unwind_Stop_Fn, + void *); + +/* Helper to invoke the exception_cleanup routine. */ +extern void _Unwind_DeleteException (struct _Unwind_Exception *); + +/* Resume propagation of an existing exception. This is used after + e.g. executing cleanup code, and not to implement rethrowing. */ +extern void _Unwind_Resume (struct _Unwind_Exception *); + +/* @@@ Use unwind data to perform a stack backtrace. The trace callback + is called for every stack frame in the call chain, but no cleanup + actions are performed. */ +typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn) + (struct _Unwind_Context *, void *); + +extern _Unwind_Reason_Code _Unwind_Backtrace (_Unwind_Trace_Fn, void *); + +/* These functions are used for communicating information about the unwind + context (i.e. the unwind descriptors and the user register state) between + the unwind library and the personality routine and landing pad. Only + selected registers maybe manipulated. */ + +extern _Unwind_Word _Unwind_GetGR (struct _Unwind_Context *, int); +extern void _Unwind_SetGR (struct _Unwind_Context *, int, _Unwind_Word); + +extern _Unwind_Ptr _Unwind_GetIP (struct _Unwind_Context *); +extern void _Unwind_SetIP (struct _Unwind_Context *, _Unwind_Ptr); + +/* @@@ Retrieve the CFA of the given context. */ +extern _Unwind_Word _Unwind_GetCFA (struct _Unwind_Context *); + +extern void *_Unwind_GetLanguageSpecificData (struct _Unwind_Context *); + +extern _Unwind_Ptr _Unwind_GetRegionStart (struct _Unwind_Context *); + + +/* The personality routine is the function in the C++ (or other language) + runtime library which serves as an interface between the system unwind + library and language-specific exception handling semantics. It is + specific to the code fragment described by an unwind info block, and + it is always referenced via the pointer in the unwind info block, and + hence it has no ABI-specified name. + + Note that this implies that two different C++ implementations can + use different names, and have different contents in the language + specific data area. Moreover, that the language specific data + area contains no version info because name of the function invoked + provides more effective versioning by detecting at link time the + lack of code to handle the different data format. */ + +typedef _Unwind_Reason_Code (*_Unwind_Personality_Fn) + (int, _Unwind_Action, _Unwind_Exception_Class, + struct _Unwind_Exception *, struct _Unwind_Context *); + +/* @@@ The following alternate entry points are for setjmp/longjmp + based unwinding. */ + +struct SjLj_Function_Context; +extern void _Unwind_SjLj_Register (struct SjLj_Function_Context *); +extern void _Unwind_SjLj_Unregister (struct SjLj_Function_Context *); + +extern _Unwind_Reason_Code _Unwind_SjLj_RaiseException + (struct _Unwind_Exception *); +extern _Unwind_Reason_Code _Unwind_SjLj_ForcedUnwind + (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *); +extern void _Unwind_SjLj_Resume (struct _Unwind_Exception *); + +/* @@@ The following provide access to the base addresses for text + and data-relative addressing in the LDSA. In order to stay link + compatible with the standard ABI for IA-64, we inline these. */ + +#ifdef __ia64__ +#include <stdlib.h> + +static inline _Unwind_Ptr +_Unwind_GetDataRelBase (struct _Unwind_Context *_C) +{ + /* The GP is stored in R1. */ + return _Unwind_GetGR (_C, 1); +} + +static inline _Unwind_Ptr +_Unwind_GetTextRelBase (struct _Unwind_Context *_C) +{ + abort (); + return 0; +} + +/* @@@ Retrieve the Backing Store Pointer of the given context. */ +extern _Unwind_Word _Unwind_GetBSP (struct _Unwind_Context *); +#else +extern _Unwind_Ptr _Unwind_GetDataRelBase (struct _Unwind_Context *); +extern _Unwind_Ptr _Unwind_GetTextRelBase (struct _Unwind_Context *); +#endif + +/* @@@ Given an address, return the entry point of the function that + contains it. */ +extern void * _Unwind_FindEnclosingFunction (void *pc); + +#ifdef __cplusplus +} +#endif + +#endif /* unwind.h */ diff --git a/libc/sysdeps/linux/cris/crtn.S b/libc/sysdeps/linux/cris/crtn.S index 951ae5449..7b2dce17c 100644 --- a/libc/sysdeps/linux/cris/crtn.S +++ b/libc/sysdeps/linux/cris/crtn.S @@ -9,7 +9,6 @@ move.d [$sp+],$r1 Ret nop - .size _init, .-_init .section .fini .align 1 @@ -20,4 +19,3 @@ move.d [$sp+],$r1 Ret nop - .size _fini, .-_fini diff --git a/libc/sysdeps/linux/frv/crtn.S b/libc/sysdeps/linux/frv/crtn.S index 1d58c0207..bd11901ad 100644 --- a/libc/sysdeps/linux/frv/crtn.S +++ b/libc/sysdeps/linux/frv/crtn.S @@ -32,7 +32,6 @@ Cambridge, MA 02139, USA. */ ld @(sp,gr0), fp addi sp,#16,sp jmpl @(gr5,gr0) - .size _init, .-_init .section .fini,"x" .globl _fini @@ -41,4 +40,3 @@ Cambridge, MA 02139, USA. */ ld @(sp,gr0), fp addi sp,#16,sp jmpl @(gr5,gr0) - .size _fini, .-_fini diff --git a/libc/sysdeps/linux/h8300/crtn.S b/libc/sysdeps/linux/h8300/crtn.S index 89e321868..8f9fa1fac 100644 --- a/libc/sysdeps/linux/h8300/crtn.S +++ b/libc/sysdeps/linux/h8300/crtn.S @@ -14,7 +14,6 @@ ; #NO_APP mov.l @er7+,er6 rts - .size __init, .-__init ; #APP .section .fini @@ -24,7 +23,6 @@ ; #NO_APP mov.l @er7+,er6 rts - .size __fini, .-__fini ; #APP .end diff --git a/libc/sysdeps/linux/i386/crtn.S b/libc/sysdeps/linux/i386/crtn.S index 191250487..34d5b38e2 100644 --- a/libc/sysdeps/linux/i386/crtn.S +++ b/libc/sysdeps/linux/i386/crtn.S @@ -6,7 +6,6 @@ popl %ebx popl %ebp ret -.size _init,.-_init @@ -16,7 +15,6 @@ popl %ebx popl %ebp ret -.size _fini,.-_fini diff --git a/libc/sysdeps/linux/i386/posix_fadvise64.S b/libc/sysdeps/linux/i386/posix_fadvise64.S index b4aeff1f4..8a8947d7b 100644 --- a/libc/sysdeps/linux/i386/posix_fadvise64.S +++ b/libc/sysdeps/linux/i386/posix_fadvise64.S @@ -22,7 +22,7 @@ #include <bits/errno.h> #include <sys/syscall.h> -#if defined __NR_fadvise64_64 +#if defined __NR_fadvise64_64 || defined __NR_fadvise64 /* Was named __libc_posix_fadvise64 for some inexplicable reason. ** google says only uclibc has *__libc*_posix_fadviseXXX, @@ -35,6 +35,7 @@ .global posix_fadvise64 .type posix_fadvise64,%function posix_fadvise64: +#if defined __NR_fadvise64_64 /* Save regs */ pushl %ebp pushl %ebx @@ -91,6 +92,7 @@ overflow: /* Returns 0 on success, else an error code. */ negl %eax +#endif /* Successful; return the syscall's value. */ ret diff --git a/libc/sysdeps/linux/microblaze/crtn.S b/libc/sysdeps/linux/microblaze/crtn.S index da8c920ef..6f4ef60d3 100644 --- a/libc/sysdeps/linux/microblaze/crtn.S +++ b/libc/sysdeps/linux/microblaze/crtn.S @@ -26,7 +26,6 @@ .end _init $Lfe2: - .size _init,$Lfe2-_init .section .fini .align 2 @@ -40,6 +39,5 @@ $Lfe2: .end _fini $Lfe3: - .size _fini,$Lfe3-_fini /*@TRAILER_BEGINS*/ diff --git a/libc/sysdeps/linux/mips/crtn.S b/libc/sysdeps/linux/mips/crtn.S index cedd593f0..f3756a2f1 100644 --- a/libc/sysdeps/linux/mips/crtn.S +++ b/libc/sysdeps/linux/mips/crtn.S @@ -10,7 +10,6 @@ #NO_APP .align 2 .globl _init - .ent _init .type _init, @function #NO_APP lw $31,28($sp) @@ -22,14 +21,12 @@ .set macro .set reorder - .end _init #APP .section .fini #NO_APP .align 2 .globl _fini - .ent _fini .type _fini, @function #NO_APP lw $31,28($sp) @@ -41,7 +38,6 @@ .set macro .set reorder - .end _fini #APP .ident "GCC: (GNU) 3.3.2" @@ -54,10 +50,8 @@ .section .init #NO_APP - .align 2 .align 3 .globl _init - .ent _init .type _init, @function #NO_APP ld $31,8($sp) @@ -68,16 +62,12 @@ addiu $sp,$sp,16 .set macro .set reorder - - .end _init #APP .section .fini #NO_APP - .align 2 .align 3 .globl _fini - .ent _fini .type _fini, @function #NO_APP ld $31,8($sp) @@ -89,7 +79,6 @@ .set macro .set reorder - .end _fini #APP .ident "GCC: (GNU) 3.4.3" @@ -105,7 +94,6 @@ #NO_APP .align 2 .globl _init - .ent _init .type _init, @function #NO_APP ld $31,24($sp) @@ -118,14 +106,12 @@ .set macro .set reorder - .end _init #APP .section .fini #NO_APP .align 2 .globl _fini - .ent _fini .type _fini, @function #NO_APP ld $31,24($sp) @@ -138,7 +124,6 @@ .set macro .set reorder - .end _fini #APP .ident "GCC: (GNU) 3.3.2" diff --git a/libc/sysdeps/linux/powerpc/crtn.S b/libc/sysdeps/linux/powerpc/crtn.S index ba6d0e0c8..938367caa 100644 --- a/libc/sysdeps/linux/powerpc/crtn.S +++ b/libc/sysdeps/linux/powerpc/crtn.S @@ -9,7 +9,6 @@ addi 1,1,32 mtlr 0 blr - .size _init, .-_init .section .fini .align 2 @@ -20,4 +19,3 @@ addi 1,1,32 mtlr 0 blr - .size _fini, .-_fini diff --git a/libc/sysdeps/linux/sh/Makefile.arch b/libc/sysdeps/linux/sh/Makefile.arch index 3e32e1095..92e262b6c 100644 --- a/libc/sysdeps/linux/sh/Makefile.arch +++ b/libc/sysdeps/linux/sh/Makefile.arch @@ -7,6 +7,6 @@ # CSRC := \ - mmap.c pipe.c __init_brk.c brk.c sbrk.c pread_write.c longjmp.c cacheflush.c + mmap.c pipe.c __init_brk.c brk.c sbrk.c pread_write.c cacheflush.c -SSRC := setjmp.S __longjmp.S ___fpscr_values.S +SSRC := setjmp.S __longjmp.S ___fpscr_values.S vfork.S diff --git a/libc/sysdeps/linux/sh/crtn.S b/libc/sysdeps/linux/sh/crtn.S index 437f8ebc3..e8be7e51f 100644 --- a/libc/sysdeps/linux/sh/crtn.S +++ b/libc/sysdeps/linux/sh/crtn.S @@ -15,7 +15,6 @@ .align 2 .L6: .L7: - .size _init, .-_init .section .fini .hidden _fini @@ -31,6 +30,5 @@ .align 2 .L11: .L12: - .size _fini, .-_fini .ident "GCC: (GNU) 3.3.2" diff --git a/libc/sysdeps/linux/sh/longjmp.c b/libc/sysdeps/linux/sh/longjmp.c deleted file mode 100644 index dd0616d8a..000000000 --- a/libc/sysdeps/linux/sh/longjmp.c +++ /dev/null @@ -1,56 +0,0 @@ -/* Copyright (C) 1991, 92, 94, 95, 97, 98, 2000 Free Software Foundation, Inc. - Copyright (C) 2001 Hewlett-Packard Australia - - This program is free software; you can redistribute it and/or modify it under - the terms of the GNU Library General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at your option) any - later version. - - This program 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 Library General Public License for more - details. - - You should have received a copy of the GNU Library General Public License - along with this program; if not, write to the Free Software Foundation, Inc., - 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Derived in part from the Linux-8086 C library, the GNU C Library, and several - other sundry sources. Files within this library are copyright by their - respective copyright holders. -*/ - -#include <stddef.h> -#include <setjmp.h> -#include <signal.h> - -libc_hidden_proto(sigprocmask) - -extern int __longjmp(char *env, int val); -libc_hidden_proto(__longjmp) - -extern void _longjmp_unwind (jmp_buf env, int val); - - -/* Set the signal mask to the one specified in ENV, and jump - to the position specified in ENV, causing the setjmp - call there to return VAL, or 1 if VAL is 0. */ -void __libc_siglongjmp (sigjmp_buf env, int val) -{ - /* Perform any cleanups needed by the frames being unwound. */ - - _longjmp_unwind (env, val); - - if (env[0].__mask_was_saved) - /* Restore the saved signal mask. */ - (void) sigprocmask (SIG_SETMASK, &env[0].__saved_mask, - (sigset_t *) NULL); - - /* Call the machine-dependent function to restore machine state. */ - __longjmp ((char *) env[0].__jmpbuf, val ?: 1); -} - -__asm__(".weak longjmp; longjmp = __libc_siglongjmp"); -__asm__(".weak _longjmp; _longjmp = __libc_siglongjmp"); -__asm__(".weak siglongjmp; siglongjmp = __libc_siglongjmp"); -strong_alias(__libc_siglongjmp, __libc_longjmp) diff --git a/libc/sysdeps/linux/sh64/crtn.S b/libc/sysdeps/linux/sh64/crtn.S index eb6479a56..501fe9167 100644 --- a/libc/sysdeps/linux/sh64/crtn.S +++ b/libc/sysdeps/linux/sh64/crtn.S @@ -14,7 +14,6 @@ ptabs r18, tr0 addi.l r15, 16, r15 blink tr0, r63 - .size _init, .-_init .section .fini .hidden _fini @@ -28,6 +27,5 @@ ptabs r18, tr0 addi.l r15, 16, r15 blink tr0, r63 - .size _fini, .-_fini .ident "GCC: (GNU) 3.3.2" diff --git a/libc/sysdeps/linux/sparc/crtn.S b/libc/sysdeps/linux/sparc/crtn.S index 24b4bf43c..d64ffd020 100644 --- a/libc/sysdeps/linux/sparc/crtn.S +++ b/libc/sysdeps/linux/sparc/crtn.S @@ -7,7 +7,6 @@ .proc 020 ret restore - .size _init, .-_init .section .fini .align 4 @@ -16,4 +15,3 @@ .proc 020 ret restore - .size _fini, .-_fini diff --git a/libc/sysdeps/linux/v850/crtn.S b/libc/sysdeps/linux/v850/crtn.S index aecb55737..6bb0b39ac 100644 --- a/libc/sysdeps/linux/v850/crtn.S +++ b/libc/sysdeps/linux/v850/crtn.S @@ -8,7 +8,6 @@ .type __init, @function #NO_APP jr __return_r31 - .size __init, .-__init #APP .section .fini @@ -18,7 +17,6 @@ .type __fini, @function #NO_APP jr __return_r31 - .size __fini, .-__fini #APP .ident "GCC: (GNU) 3.3.2" diff --git a/libc/sysdeps/linux/vax/crtn.S b/libc/sysdeps/linux/vax/crtn.S index 6ca5c4fcd..1153fd50b 100644 --- a/libc/sysdeps/linux/vax/crtn.S +++ b/libc/sysdeps/linux/vax/crtn.S @@ -9,7 +9,6 @@ __gnu_compiled_c: .type _init,@function ret .Lfe2: - .size _init,.Lfe2-_init .section .fini .align 1 @@ -17,5 +16,4 @@ __gnu_compiled_c: .type _fini,@function ret .Lfe3: - .size _fini,.Lfe3-_fini .ident "GCC: (GNU) 2.95.2 19991024 (release) (Linux/VAX CVS)" diff --git a/libc/sysdeps/linux/x86_64/crtn.S b/libc/sysdeps/linux/x86_64/crtn.S index 5b110d967..9804e0f76 100644 --- a/libc/sysdeps/linux/x86_64/crtn.S +++ b/libc/sysdeps/linux/x86_64/crtn.S @@ -7,7 +7,6 @@ .type _init, %function addq $8, %rsp ret -.size _init,.-_init .section .fini @@ -15,4 +14,3 @@ .type _fini, %function addq $8, %rsp ret -.size _fini, .-_fini diff --git a/libc/sysdeps/linux/x86_64/sys/epoll.h b/libc/sysdeps/linux/x86_64/sys/epoll.h deleted file mode 100644 index 02672d3c7..000000000 --- a/libc/sysdeps/linux/x86_64/sys/epoll.h +++ /dev/null @@ -1,110 +0,0 @@ -/* Copyright (C) 2002,2003,2004,2005,2006 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. */ - -#ifndef _SYS_EPOLL_H -#define _SYS_EPOLL_H 1 - -#include <stdint.h> -#include <sys/types.h> - - -enum EPOLL_EVENTS - { - EPOLLIN = 0x001, -#define EPOLLIN EPOLLIN - EPOLLPRI = 0x002, -#define EPOLLPRI EPOLLPRI - EPOLLOUT = 0x004, -#define EPOLLOUT EPOLLOUT - EPOLLRDNORM = 0x040, -#define EPOLLRDNORM EPOLLRDNORM - EPOLLRDBAND = 0x080, -#define EPOLLRDBAND EPOLLRDBAND - EPOLLWRNORM = 0x100, -#define EPOLLWRNORM EPOLLWRNORM - EPOLLWRBAND = 0x200, -#define EPOLLWRBAND EPOLLWRBAND - EPOLLMSG = 0x400, -#define EPOLLMSG EPOLLMSG - EPOLLERR = 0x008, -#define EPOLLERR EPOLLERR - EPOLLHUP = 0x010, -#define EPOLLHUP EPOLLHUP - EPOLLONESHOT = (1 << 30), -#define EPOLLONESHOT EPOLLONESHOT - EPOLLET = (1 << 31) -#define EPOLLET EPOLLET - }; - - -/* Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). */ -#define EPOLL_CTL_ADD 1 /* Add a file decriptor to the interface. */ -#define EPOLL_CTL_DEL 2 /* Remove a file decriptor from the interface. */ -#define EPOLL_CTL_MOD 3 /* Change file decriptor epoll_event structure. */ - - -typedef union epoll_data -{ - void *ptr; - int fd; - uint32_t u32; - uint64_t u64; -} epoll_data_t; - -struct epoll_event -{ - uint32_t events; /* Epoll events */ - epoll_data_t data; /* User data variable */ -} __attribute__ ((__packed__)); - - -__BEGIN_DECLS - -/* Creates an epoll instance. Returns an fd for the new instance. - The "size" parameter is a hint specifying the number of file - descriptors to be associated with the new instance. The fd - returned by epoll_create() should be closed with close(). */ -extern int epoll_create (int __size) __THROW; - - -/* Manipulate an epoll instance "epfd". Returns 0 in case of success, - -1 in case of error ( the "errno" variable will contain the - specific error code ) The "op" parameter is one of the EPOLL_CTL_* - constants defined above. The "fd" parameter is the target of the - operation. The "event" parameter describes which events the caller - is interested in and any associated user data. */ -extern int epoll_ctl (int __epfd, int __op, int __fd, - struct epoll_event *__event) __THROW; - - -/* Wait for events on an epoll instance "epfd". Returns the number of - triggered events returned in "events" buffer. Or -1 in case of - error with the "errno" variable set to the specific error code. The - "events" parameter is a buffer that will contain triggered - events. The "maxevents" is the maximum number of events to be - returned ( usually size of "events" ). The "timeout" parameter - specifies the maximum wait time in milliseconds (-1 == infinite). - - This function is a cancellation point and therefore not marked with - __THROW. */ -extern int epoll_wait (int __epfd, struct epoll_event *__events, - int __maxevents, int __timeout); - -__END_DECLS - -#endif /* sys/epoll.h */ |