diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/dl-cache.h | 8 | ||||
| -rw-r--r-- | sysdeps/i386/Makefile | 8 | ||||
| -rw-r--r-- | sysdeps/ia64/Makefile | 4 | ||||
| -rw-r--r-- | sysdeps/ia64/ia64libgcc.S | 350 | ||||
| -rw-r--r-- | sysdeps/ia64/libgcc-compat.c | 84 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/Makefile | 1 | ||||
| -rw-r--r-- | sysdeps/unix/nice.c | 7 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/check_pf.c | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-osinfo.h | 29 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/futimesat.c | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/clone.S | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/dl-cache.h | 59 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/dl-cache.h | 27 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/dl-procinfo.c | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/dl-procinfo.h | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/ldd-rewrite.sed | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/netlinkaccess.h | 18 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/paths.h | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/tcsetattr.c | 32 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/clone.S | 4 |
20 files changed, 290 insertions, 387 deletions
diff --git a/sysdeps/generic/dl-cache.h b/sysdeps/generic/dl-cache.h index c2b72874cf..7cc02d993b 100644 --- a/sysdeps/generic/dl-cache.h +++ b/sysdeps/generic/dl-cache.h @@ -36,6 +36,14 @@ # define add_system_dir(dir) add_dir (dir) #endif +#ifndef arch_startup +# define arch_startup(argc, argv) do { } while (0) +#endif + +#ifndef add_arch_dirs +# define add_arch_dirs(config_file) do { } while (0) +#endif + #define CACHEMAGIC "ld.so-1.7.0" /* libc5 and glibc 2.0/2.1 use the same format. For glibc 2.2 another diff --git a/sysdeps/i386/Makefile b/sysdeps/i386/Makefile index ef45ce6e78..5f0d9bea21 100644 --- a/sysdeps/i386/Makefile +++ b/sysdeps/i386/Makefile @@ -64,6 +64,14 @@ endif ifneq (,$(filter -mno-tls-direct-seg-refs,$(CFLAGS))) defines += -DNO_TLS_DIRECT_SEG_REFS +else +# .a libraries are not performance critical and so we +# build them without direct TLS segment references +# always. +CPPFLAGS-.o += -DNO_TLS_DIRECT_SEG_REFS +CFLAGS-.o += -mno-tls-direct-seg-refs +CPPFLAGS-.oS += -DNO_TLS_DIRECT_SEG_REFS +CFLAGS-.oS += -mno-tls-direct-seg-refs endif ifeq ($(subdir),elf) diff --git a/sysdeps/ia64/Makefile b/sysdeps/ia64/Makefile index 2ea937ac9e..bf43c96144 100644 --- a/sysdeps/ia64/Makefile +++ b/sysdeps/ia64/Makefile @@ -12,8 +12,8 @@ elide-routines.os += hp-timing ifeq (yes,$(build-shared)) # Compatibility -sysdep_routines += ia64libgcc -shared-only-routines += ia64libgcc +sysdep_routines += libgcc-compat +shared-only-routines += libgcc-compat endif endif diff --git a/sysdeps/ia64/ia64libgcc.S b/sysdeps/ia64/ia64libgcc.S index 3f77b06a5a..e69de29bb2 100644 --- a/sysdeps/ia64/ia64libgcc.S +++ b/sysdeps/ia64/ia64libgcc.S @@ -1,350 +0,0 @@ -/* From the Intel IA-64 Optimization Guide, choose the minimum latency - alternative. */ - -#include <sysdep.h> -#undef ret - -#include <shlib-compat.h> - -#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_2_6) - -/* __divtf3 - Compute a 80-bit IEEE double-extended quotient. - farg0 holds the dividend. farg1 holds the divisor. */ - -ENTRY(___divtf3) - cmp.eq p7, p0 = r0, r0 - frcpa.s0 f10, p6 = farg0, farg1 - ;; -(p6) cmp.ne p7, p0 = r0, r0 - .pred.rel.mutex p6, p7 -(p6) fnma.s1 f11 = farg1, f10, f1 -(p6) fma.s1 f12 = farg0, f10, f0 - ;; -(p6) fma.s1 f13 = f11, f11, f0 -(p6) fma.s1 f14 = f11, f11, f11 - ;; -(p6) fma.s1 f11 = f13, f13, f11 -(p6) fma.s1 f13 = f14, f10, f10 - ;; -(p6) fma.s1 f10 = f13, f11, f10 -(p6) fnma.s1 f11 = farg1, f12, farg0 - ;; -(p6) fma.s1 f11 = f11, f10, f12 -(p6) fnma.s1 f12 = farg1, f10, f1 - ;; -(p6) fma.s1 f10 = f12, f10, f10 -(p6) fnma.s1 f12 = farg1, f11, farg0 - ;; -(p6) fma.s0 fret0 = f12, f10, f11 -(p7) mov fret0 = f10 - br.ret.sptk rp -END(___divtf3) - .symver ___divtf3, __divtf3@GLIBC_2.2 - -/* __divdf3 - Compute a 64-bit IEEE double quotient. - farg0 holds the dividend. farg1 holds the divisor. */ - -ENTRY(___divdf3) - cmp.eq p7, p0 = r0, r0 - frcpa.s0 f10, p6 = farg0, farg1 - ;; -(p6) cmp.ne p7, p0 = r0, r0 - .pred.rel.mutex p6, p7 -(p6) fmpy.s1 f11 = farg0, f10 -(p6) fnma.s1 f12 = farg1, f10, f1 - ;; -(p6) fma.s1 f11 = f12, f11, f11 -(p6) fmpy.s1 f13 = f12, f12 - ;; -(p6) fma.s1 f10 = f12, f10, f10 -(p6) fma.s1 f11 = f13, f11, f11 - ;; -(p6) fmpy.s1 f12 = f13, f13 -(p6) fma.s1 f10 = f13, f10, f10 - ;; -(p6) fma.d.s1 f11 = f12, f11, f11 -(p6) fma.s1 f10 = f12, f10, f10 - ;; -(p6) fnma.d.s1 f8 = farg1, f11, farg0 - ;; -(p6) fma.d fret0 = f8, f10, f11 -(p7) mov fret0 = f10 - br.ret.sptk rp - ;; -END(___divdf3) - .symver ___divdf3, __divdf3@GLIBC_2.2 - -/* __divsf3 - Compute a 32-bit IEEE float quotient. - farg0 holds the dividend. farg1 holds the divisor. */ - -ENTRY(___divsf3) - cmp.eq p7, p0 = r0, r0 - frcpa.s0 f10, p6 = farg0, farg1 - ;; -(p6) cmp.ne p7, p0 = r0, r0 - .pred.rel.mutex p6, p7 -(p6) fmpy.s1 f8 = farg0, f10 -(p6) fnma.s1 f9 = farg1, f10, f1 - ;; -(p6) fma.s1 f8 = f9, f8, f8 -(p6) fmpy.s1 f9 = f9, f9 - ;; -(p6) fma.s1 f8 = f9, f8, f8 -(p6) fmpy.s1 f9 = f9, f9 - ;; -(p6) fma.d.s1 f10 = f9, f8, f8 - ;; -(p6) fnorm.s.s0 fret0 = f10 -(p7) mov fret0 = f10 - br.ret.sptk rp - ;; -END(___divsf3) - .symver ___divsf3, __divsf3@GLIBC_2.2 - -/* __divdi3 - Compute a 64-bit integer quotient. - in0 holds the dividend. in1 holds the divisor. */ - -ENTRY(___divdi3) - .regstk 2,0,0,0 - /* Transfer inputs to FP registers. */ - setf.sig f8 = in0 - setf.sig f9 = in1 - ;; - /* Convert the inputs to FP, so that they won't be treated as - unsigned. */ - fcvt.xf f8 = f8 - fcvt.xf f9 = f9 - ;; - /* Compute the reciprocal approximation. */ - frcpa.s1 f10, p6 = f8, f9 - ;; - /* 3 Newton-Raphson iterations. */ -(p6) fnma.s1 f11 = f9, f10, f1 -(p6) fmpy.s1 f12 = f8, f10 - ;; -(p6) fmpy.s1 f13 = f11, f11 -(p6) fma.s1 f12 = f11, f12, f12 - ;; -(p6) fma.s1 f10 = f11, f10, f10 -(p6) fma.s1 f11 = f13, f12, f12 - ;; -(p6) fma.s1 f10 = f13, f10, f10 -(p6) fnma.s1 f12 = f9, f11, f8 - ;; -(p6) fma.s1 f10 = f12, f10, f11 - ;; - /* Round quotient to an integer. */ - fcvt.fx.trunc.s1 f10 = f10 - ;; - /* Transfer result to GP registers. */ - getf.sig ret0 = f10 - br.ret.sptk rp - ;; -END(___divdi3) - .symver ___divdi3, __divdi3@GLIBC_2.2 - -/* __moddi3 - Compute a 64-bit integer modulus. - in0 holds the dividend (a). in1 holds the divisor (b). */ - -ENTRY(___moddi3) - .regstk 2,0,0,0 - /* Transfer inputs to FP registers. */ - setf.sig f14 = in0 - setf.sig f9 = in1 - ;; - /* Convert the inputs to FP, so that they won't be treated as - unsigned. */ - fcvt.xf f8 = f14 - fcvt.xf f9 = f9 - ;; - /* Compute the reciprocal approximation. */ - frcpa.s1 f10, p6 = f8, f9 - ;; - /* 3 Newton-Raphson iterations. */ -(p6) fmpy.s1 f12 = f8, f10 -(p6) fnma.s1 f11 = f9, f10, f1 - ;; -(p6) fma.s1 f12 = f11, f12, f12 -(p6) fmpy.s1 f13 = f11, f11 - ;; -(p6) fma.s1 f10 = f11, f10, f10 -(p6) fma.s1 f11 = f13, f12, f12 - ;; - sub in1 = r0, in1 -(p6) fma.s1 f10 = f13, f10, f10 -(p6) fnma.s1 f12 = f9, f11, f8 - ;; - setf.sig f9 = in1 -(p6) fma.s1 f10 = f12, f10, f11 - ;; - fcvt.fx.trunc.s1 f10 = f10 - ;; - /* r = q * (-b) + a */ - xma.l f10 = f10, f9, f14 - ;; - /* Transfer result to GP registers. */ - getf.sig ret0 = f10 - br.ret.sptk rp - ;; -END(___moddi3) - .symver ___moddi3, __moddi3@GLIBC_2.2 - -/* __udivdi3 - Compute a 64-bit unsigned integer quotient. - in0 holds the dividend. in1 holds the divisor. */ - -ENTRY(___udivdi3) - .regstk 2,0,0,0 - /* Transfer inputs to FP registers. */ - setf.sig f8 = in0 - setf.sig f9 = in1 - ;; - /* Convert the inputs to FP, to avoid FP software-assist faults. */ - fcvt.xuf.s1 f8 = f8 - fcvt.xuf.s1 f9 = f9 - ;; - /* Compute the reciprocal approximation. */ - frcpa.s1 f10, p6 = f8, f9 - ;; - /* 3 Newton-Raphson iterations. */ -(p6) fnma.s1 f11 = f9, f10, f1 -(p6) fmpy.s1 f12 = f8, f10 - ;; -(p6) fmpy.s1 f13 = f11, f11 -(p6) fma.s1 f12 = f11, f12, f12 - ;; -(p6) fma.s1 f10 = f11, f10, f10 -(p6) fma.s1 f11 = f13, f12, f12 - ;; -(p6) fma.s1 f10 = f13, f10, f10 -(p6) fnma.s1 f12 = f9, f11, f8 - ;; -(p6) fma.s1 f10 = f12, f10, f11 - ;; - /* Round quotient to an unsigned integer. */ - fcvt.fxu.trunc.s1 f10 = f10 - ;; - /* Transfer result to GP registers. */ - getf.sig ret0 = f10 - br.ret.sptk rp - ;; -END(___udivdi3) - .symver ___udivdi3, __udivdi3@GLIBC_2.2 - -/* __umoddi3 - Compute a 64-bit unsigned integer modulus. - in0 holds the dividend (a). in1 holds the divisor (b). */ - -ENTRY(___umoddi3) - .regstk 2,0,0,0 - /* Transfer inputs to FP registers. */ - setf.sig f14 = in0 - setf.sig f9 = in1 - ;; - /* Convert the inputs to FP, to avoid FP software assist faults. */ - fcvt.xuf.s1 f8 = f14 - fcvt.xuf.s1 f9 = f9 - ;; - /* Compute the reciprocal approximation. */ - frcpa.s1 f10, p6 = f8, f9 - ;; - /* 3 Newton-Raphson iterations. */ -(p6) fmpy.s1 f12 = f8, f10 -(p6) fnma.s1 f11 = f9, f10, f1 - ;; -(p6) fma.s1 f12 = f11, f12, f12 -(p6) fmpy.s1 f13 = f11, f11 - ;; -(p6) fma.s1 f10 = f11, f10, f10 -(p6) fma.s1 f11 = f13, f12, f12 - ;; - sub in1 = r0, in1 -(p6) fma.s1 f10 = f13, f10, f10 -(p6) fnma.s1 f12 = f9, f11, f8 - ;; - setf.sig f9 = in1 -(p6) fma.s1 f10 = f12, f10, f11 - ;; - /* Round quotient to an unsigned integer. */ - fcvt.fxu.trunc.s1 f10 = f10 - ;; - /* r = q * (-b) + a */ - xma.l f10 = f10, f9, f14 - ;; - /* Transfer result to GP registers. */ - getf.sig ret0 = f10 - br.ret.sptk rp - ;; -END(___umoddi3) - .symver ___umoddi3, __umoddi3@GLIBC_2.2 - -/* __multi3 - Compute a 128-bit multiply of 128-bit multiplicands. - in0/in1 holds one multiplicand (a), in2/in3 holds the other one (b). */ - -ENTRY(___multi3) - .regstk 4,0,0,0 - setf.sig f6 = in1 - movl r19 = 0xffffffff - setf.sig f7 = in2 - ;; - and r14 = r19, in0 - ;; - setf.sig f10 = r14 - and r14 = r19, in2 - xmpy.l f9 = f6, f7 - ;; - setf.sig f6 = r14 - shr.u r14 = in0, 32 - ;; - setf.sig f7 = r14 - shr.u r14 = in2, 32 - ;; - setf.sig f8 = r14 - xmpy.l f11 = f10, f6 - xmpy.l f6 = f7, f6 - ;; - getf.sig r16 = f11 - xmpy.l f7 = f7, f8 - ;; - shr.u r14 = r16, 32 - and r16 = r19, r16 - getf.sig r17 = f6 - setf.sig f6 = in0 - ;; - setf.sig f11 = r14 - getf.sig r21 = f7 - setf.sig f7 = in3 - ;; - xma.l f11 = f10, f8, f11 - xma.l f6 = f6, f7, f9 - ;; - getf.sig r18 = f11 - ;; - add r18 = r18, r17 - ;; - and r15 = r19, r18 - cmp.ltu p7, p6 = r18, r17 - ;; - getf.sig r22 = f6 -(p7) adds r14 = 1, r19 - ;; -(p7) add r21 = r21, r14 - shr.u r14 = r18, 32 - shl r15 = r15, 32 - ;; - add r20 = r21, r14 - ;; - add ret0 = r15, r16 - add ret1 = r22, r20 - br.ret.sptk rp - ;; -END(___multi3) - .symver ___multi3, __multi3@GLIBC_2.2 - -#endif diff --git a/sysdeps/ia64/libgcc-compat.c b/sysdeps/ia64/libgcc-compat.c new file mode 100644 index 0000000000..0be489757f --- /dev/null +++ b/sysdeps/ia64/libgcc-compat.c @@ -0,0 +1,84 @@ +/* pre-.hidden libgcc compatibility + Copyright (C) 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 + 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. */ + + +#include <stdint.h> +#include <shlib-compat.h> + +#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_2_6) + +typedef int int128_t __attribute__((__mode__(TI))); + +extern long double __divtf3 (long double, long double) attribute_hidden; +long double INTUSE (__divtf3) (long double x, long double y) +{ + return __divtf3 (x, y); +} +symbol_version (INTUSE (__divtf3), __divtf3, GLIBC_2.2); + +extern double __divdf3 (double, double) attribute_hidden; +double INTUSE (__divdf3) (double x, double y) +{ + return __divdf3 (x, y); +} +symbol_version (INTUSE (__divdf3), __divdf3, GLIBC_2.2); + +extern float __divsf3 (float, float) attribute_hidden; +float INTUSE (__divsf3) (float x, float y) +{ + return __divsf3 (x, y); +} +symbol_version (INTUSE (__divsf3), __divsf3, GLIBC_2.2); + +extern int64_t __divdi3 (int64_t, int64_t) attribute_hidden; +int64_t INTUSE (__divdi3) (int64_t x, int64_t y) +{ + return __divdi3 (x, y); +} +symbol_version (INTUSE (__divdi3), __divdi3, GLIBC_2.2); + +extern int64_t __moddi3 (int64_t, int64_t) attribute_hidden; +int64_t INTUSE (__moddi3) (int64_t x, int64_t y) +{ + return __moddi3 (x, y); +} +symbol_version (INTUSE (__moddi3), __moddi3, GLIBC_2.2); + +extern uint64_t __udivdi3 (uint64_t, uint64_t) attribute_hidden; +uint64_t INTUSE (__udivdi3) (uint64_t x, uint64_t y) +{ + return __udivdi3 (x, y); +} +symbol_version (INTUSE (__udivdi3), __udivdi3, GLIBC_2.2); + +extern uint64_t __umoddi3 (uint64_t, uint64_t) attribute_hidden; +uint64_t INTUSE (__umoddi3) (uint64_t x, uint64_t y) +{ + return __umoddi3 (x, y); +} +symbol_version (INTUSE (__umoddi3), __umoddi3, GLIBC_2.2); + +extern int128_t __multi3 (int128_t, int128_t) attribute_hidden; +int128_t INTUSE (__multi3) (int128_t x, int128_t y) +{ + return __multi3 (x, y); +} +symbol_version (INTUSE (__multi3), __multi3, GLIBC_2.2); + +#endif diff --git a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile index 78d4f07e57..6396e301de 100644 --- a/sysdeps/powerpc/powerpc64/Makefile +++ b/sysdeps/powerpc/powerpc64/Makefile @@ -30,6 +30,7 @@ ifneq ($(elf),no) # we use -fpic instead which is much better. CFLAGS-initfini.s += -fpic -O1 endif +CFLAGS-libc-start.c += -fno-asynchronous-unwind-tables endif ifeq ($(subdir),elf) diff --git a/sysdeps/unix/nice.c b/sysdeps/unix/nice.c index eb26c43a60..6e75b0327b 100644 --- a/sysdeps/unix/nice.c +++ b/sysdeps/unix/nice.c @@ -42,7 +42,12 @@ nice (int incr) __set_errno (save); } - result = setpriority (PRIO_PROCESS, 0, prio + incr); + prio += incr; + if (prio < PRIO_MIN) + prio = PRIO_MIN; + else if (prio >= PRIO_MAX) + prio = PRIO_MAX - 1; + result = setpriority (PRIO_PROCESS, 0, prio); if (result == -1) { if (errno == EACCES) diff --git a/sysdeps/unix/sysv/linux/check_pf.c b/sysdeps/unix/sysv/linux/check_pf.c index e694342998..586f1cb169 100644 --- a/sysdeps/unix/sysv/linux/check_pf.c +++ b/sysdeps/unix/sysv/linux/check_pf.c @@ -27,13 +27,10 @@ #include <unistd.h> #include <sys/socket.h> -#include <asm/types.h> -#include <linux/netlink.h> -#include <linux/rtnetlink.h> - #include <not-cancel.h> #include <kernel-features.h> +#include "netlinkaccess.h" #ifndef IFA_F_HOMEADDRESS # define IFA_F_HOMEADDRESS 0 diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h b/sysdeps/unix/sysv/linux/dl-osinfo.h index df07869bc5..430166a578 100644 --- a/sysdeps/unix/sysv/linux/dl-osinfo.h +++ b/sysdeps/unix/sysv/linux/dl-osinfo.h @@ -17,10 +17,13 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <errno.h> #include <kernel-features.h> #include <dl-sysdep.h> #include <fcntl.h> #include <stdint.h> +#include <hp-timing.h> +#include <endian.h> #ifndef MIN # define MIN(a,b) (((a)<(b))?(a):(b)) @@ -80,6 +83,32 @@ _dl_setup_stack_chk_guard (void *dl_random) unsigned char *p = (unsigned char *) &ret; p[sizeof (ret) - 1] = 255; p[sizeof (ret) - 2] = '\n'; +#ifdef HP_TIMING_NOW + hp_timing_t hpt; + HP_TIMING_NOW (hpt); + hpt = (hpt & 0xffff) << 8; + ret ^= hpt; +#endif + uintptr_t stk; + /* Avoid GCC being too smart. */ + asm ("" : "=r" (stk) : "r" (p)); + stk &= 0x7ffff0; +#if __BYTE_ORDER == __LITTLE_ENDIAN + stk <<= (__WORDSIZE - 23); +#elif __WORDSIZE == 64 + stk <<= 31; +#endif + ret ^= stk; + /* Avoid GCC being too smart. */ + p = (unsigned char *) &errno; + asm ("" : "=r" (stk) : "r" (p)); + stk &= 0x7fff00; +#if __BYTE_ORDER == __LITTLE_ENDIAN + stk <<= (__WORDSIZE - 29); +#else + stk >>= 8; +#endif + ret ^= stk; } else #endif diff --git a/sysdeps/unix/sysv/linux/futimesat.c b/sysdeps/unix/sysv/linux/futimesat.c index 7c96b78045..5f3a3f52f3 100644 --- a/sysdeps/unix/sysv/linux/futimesat.c +++ b/sysdeps/unix/sysv/linux/futimesat.c @@ -37,14 +37,14 @@ futimesat (fd, file, tvp) { int result; + if (file == NULL) + return __futimes (fd, tvp); + #ifdef __NR_futimesat # ifndef __ASSUME_ATFCTS if (__have_atfcts >= 0) # endif { - if (file == NULL) - return __futimes (fd, tvp); - result = INLINE_SYSCALL (futimesat, 3, fd, file, tvp); # ifndef __ASSUME_ATFCTS if (result == -1 && errno == ENOSYS) @@ -58,22 +58,7 @@ futimesat (fd, file, tvp) #ifndef __ASSUME_ATFCTS char *buf = NULL; - if (file == NULL) - { - static const char procfd[] = "/proc/self/fd/%d"; - /* Buffer for the path name we are going to use. It consists of - - the string /proc/self/fd/ - - the file descriptor number. - The final NUL is included in the sizeof. A bit of overhead - due to the format elements compensates for possible negative - numbers. */ - size_t buflen = sizeof (procfd) + sizeof (int) * 3; - buf = alloca (buflen); - - __snprintf (buf, buflen, procfd, fd); - file = buf; - } - else if (fd != AT_FDCWD && file[0] != '/') + if (fd != AT_FDCWD && file[0] != '/') { size_t filelen = strlen (file); static const char procfd[] = "/proc/self/fd/%d/%s"; diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S index f73a4b5195..54524ec120 100644 --- a/sysdeps/unix/sysv/linux/i386/clone.S +++ b/sysdeps/unix/sysv/linux/i386/clone.S @@ -120,9 +120,6 @@ L(pseudo_end): ret L(thread_start): - cfi_startproc; - /* Clearing frame pointer is insufficient, use CFI. */ - cfi_undefined (eip); /* Note: %esi is zero. */ movl %esi,%ebp /* terminate the stack frame */ #ifdef RESET_PID @@ -155,7 +152,6 @@ L(nomoregetpid): jmp L(haspid) .previous #endif - cfi_endproc; cfi_startproc PSEUDO_END (BP_SYM (__clone)) diff --git a/sysdeps/unix/sysv/linux/i386/dl-cache.h b/sysdeps/unix/sysv/linux/i386/dl-cache.h new file mode 100644 index 0000000000..38a1c7dfb4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/dl-cache.h @@ -0,0 +1,59 @@ +/* Support for reading /etc/ld.so.cache files written by Linux ldconfig. + Copyright (C) 2004 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. */ + +static inline int +is_ia64 (void) +{ + unsigned int fl1, fl2; + + /* See if we can use cpuid. */ + __asm__ ("pushfl; pushfl; popl %0; movl %0,%1; xorl %2,%0;" + "pushl %0; popfl; pushfl; popl %0; popfl" + : "=&r" (fl1), "=&r" (fl2) + : "i" (0x00200000)); + if (((fl1 ^ fl2) & 0x00200000) == 0) + return 0; + + /* Host supports cpuid. See if cpuid gives capabilities, try + CPUID(0). Preserve %ebx and %ecx; cpuid insn clobbers these, we + don't need their CPUID values here, and %ebx may be the PIC + register. */ + __asm__ ("pushl %%ecx; pushl %%ebx; cpuid; popl %%ebx; popl %%ecx" + : "=a" (fl1) : "0" (0) : "edx", "cc"); + if (fl1 == 0) + return 0; + + /* Invoke CPUID(1), return %edx; caller can examine bits to + determine what's supported. */ + __asm__ ("pushl %%ecx; pushl %%ebx; cpuid; popl %%ebx; popl %%ecx" + : "=d" (fl2), "=a" (fl1) : "1" (1) : "cc"); + return (fl2 & (1 << 30)) != 0; +} + +#define arch_startup(argc, argv) \ + do { \ + /* On IA-64, try to execute 64-bit ldconfig if possible. \ + This is because the badly designed /emul/ia32-linux hack \ + will cause 32-bit ldconfig to do all sorts of weird things. */ \ + if (is_ia64 ()) \ + execv ("/emul/ia32-linux/../../sbin/ldconfig", \ + (char *const *) argv); \ + } while (0) + +#include_next <dl-cache.h> diff --git a/sysdeps/unix/sysv/linux/ia64/dl-cache.h b/sysdeps/unix/sysv/linux/ia64/dl-cache.h index b8e2790589..c2165706c0 100644 --- a/sysdeps/unix/sysv/linux/ia64/dl-cache.h +++ b/sysdeps/unix/sysv/linux/ia64/dl-cache.h @@ -22,4 +22,31 @@ #define _dl_cache_check_flags(flags) \ ((flags) == _DL_CACHE_DEFAULT_ID) +#define EMUL_HACK "/emul/ia32-linux" + +#define arch_startup(argc, argv) unlink (EMUL_HACK LD_SO_CACHE) + +#define add_arch_dirs(config_file) \ + do { \ + int save_verbose = opt_verbose; \ + opt_verbose = 0; \ + \ + parse_conf (config_file, EMUL_HACK, true); \ + \ + /* Always add the standard search paths. */ \ + add_system_dir (EMUL_HACK SLIBDIR); \ + if (strcmp (SLIBDIR, LIBDIR)) \ + add_system_dir (EMUL_HACK LIBDIR); \ + \ + char emul_config_file[strlen (config_file) \ + + sizeof EMUL_HACK]; \ + strcpy (mempcpy (emul_config_file, EMUL_HACK, \ + strlen (EMUL_HACK)), config_file); \ + \ + if (! access (emul_config_file, R_OK)) \ + parse_conf (emul_config_file, EMUL_HACK, true); \ + \ + opt_verbose = save_verbose; \ + } while (0) + #include_next <dl-cache.h> diff --git a/sysdeps/unix/sysv/linux/ia64/dl-procinfo.c b/sysdeps/unix/sysv/linux/ia64/dl-procinfo.c new file mode 100644 index 0000000000..7e26fecb3a --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/dl-procinfo.c @@ -0,0 +1,5 @@ +#ifdef IS_IN_ldconfig +#include <sysdeps/i386/dl-procinfo.c> +#else +#include <sysdeps/generic/dl-procinfo.c> +#endif diff --git a/sysdeps/unix/sysv/linux/ia64/dl-procinfo.h b/sysdeps/unix/sysv/linux/ia64/dl-procinfo.h new file mode 100644 index 0000000000..b360b4288a --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/dl-procinfo.h @@ -0,0 +1,5 @@ +#ifdef IS_IN_ldconfig +#include <sysdeps/unix/sysv/linux/i386/dl-procinfo.h> +#else +#include <sysdeps/generic/dl-procinfo.h> +#endif diff --git a/sysdeps/unix/sysv/linux/ia64/ldd-rewrite.sed b/sysdeps/unix/sysv/linux/ia64/ldd-rewrite.sed index 535d1671e3..1df27afd2d 100644 --- a/sysdeps/unix/sysv/linux/ia64/ldd-rewrite.sed +++ b/sysdeps/unix/sysv/linux/ia64/ldd-rewrite.sed @@ -1 +1 @@ -s_^\(RTLDLIST=\)\([^ ]*\)-ia64\(\.so\.[0-9.]*\)[ ]*$_\1"\2-ia64\3 \2\3"_ +s_^\(RTLDLIST=\)\([^ ]*\)-ia64\(\.so\.[0-9.]*\)[ ]*$_\1"\2-ia64\3 /emul/ia32-linux\2\3"_ diff --git a/sysdeps/unix/sysv/linux/netlinkaccess.h b/sysdeps/unix/sysv/linux/netlinkaccess.h index 92310b77df..48903d3725 100644 --- a/sysdeps/unix/sysv/linux/netlinkaccess.h +++ b/sysdeps/unix/sysv/linux/netlinkaccess.h @@ -25,6 +25,24 @@ #include <kernel-features.h> +#ifndef IFA_MAX +/* 2.6.19 kernel headers helpfully removed some macros and + moved lots of stuff into new headers, some of which aren't + included by linux/rtnetlink.h. */ +#include <linux/if_addr.h> +#endif + +#ifndef IFA_RTA +# define IFA_RTA(r) \ + ((struct rtattr*) ((char*)(r) + NLMSG_ALIGN (sizeof (struct ifaddrmsg)))) +# define IFA_PAYLOAD(n) NLMSG_PAYLOAD (n, sizeof (struct ifaddrmsg)) +#endif + +#ifndef IFLA_RTA +# define IFLA_RTA(r) \ + ((struct rtattr*) ((char*)(r) + NLMSG_ALIGN (sizeof (struct ifinfomsg)))) +# define IFLA_PAYLOAD(n) NLMSG_PAYLOAD (n, sizeof (struct ifinfomsg)) +#endif struct netlink_res { diff --git a/sysdeps/unix/sysv/linux/paths.h b/sysdeps/unix/sysv/linux/paths.h index f4860f24d9..1b01c0d179 100644 --- a/sysdeps/unix/sysv/linux/paths.h +++ b/sysdeps/unix/sysv/linux/paths.h @@ -62,7 +62,7 @@ #define _PATH_TTY "/dev/tty" #define _PATH_UNIX "/boot/vmlinux" #define _PATH_UTMP "/var/run/utmp" -#define _PATH_VI "/usr/bin/vi" +#define _PATH_VI "/bin/vi" #define _PATH_WTMP "/var/log/wtmp" /* Provide trailing slash, since mostly used for building pathnames. */ diff --git a/sysdeps/unix/sysv/linux/tcsetattr.c b/sysdeps/unix/sysv/linux/tcsetattr.c index f73ec8883e..21e6ab2ede 100644 --- a/sysdeps/unix/sysv/linux/tcsetattr.c +++ b/sysdeps/unix/sysv/linux/tcsetattr.c @@ -49,6 +49,7 @@ tcsetattr (fd, optional_actions, termios_p) { struct __kernel_termios k_termios; unsigned long int cmd; + int retval; switch (optional_actions) { @@ -80,6 +81,35 @@ tcsetattr (fd, optional_actions, termios_p) memcpy (&k_termios.c_cc[0], &termios_p->c_cc[0], __KERNEL_NCCS * sizeof (cc_t)); - return INLINE_SYSCALL (ioctl, 3, fd, cmd, &k_termios); + retval = INLINE_SYSCALL (ioctl, 3, fd, cmd, &k_termios); + + if (retval == 0 && cmd == TCSETS) + { + /* The Linux kernel has a bug which silently ignore the invalid + c_cflag on pty. We have to check it here. */ + int save = errno; + retval = INLINE_SYSCALL (ioctl, 3, fd, TCGETS, &k_termios); + if (retval) + { + /* We cannot verify if the setting is ok. We don't return + an error (?). */ + __set_errno (save); + retval = 0; + } + else if ((termios_p->c_cflag & (PARENB | CREAD)) + != (k_termios.c_cflag & (PARENB | CREAD)) + || ((termios_p->c_cflag & CSIZE) + && ((termios_p->c_cflag & CSIZE) + != (k_termios.c_cflag & CSIZE)))) + { + /* It looks like the Linux kernel silently changed the + PARENB/CREAD/CSIZE bits in c_cflag. Report it as an + error. */ + __set_errno (EINVAL); + retval = -1; + } + } + + return retval; } libc_hidden_def (tcsetattr) diff --git a/sysdeps/unix/sysv/linux/x86_64/clone.S b/sysdeps/unix/sysv/linux/x86_64/clone.S index db42f209c9..8a12b09035 100644 --- a/sysdeps/unix/sysv/linux/x86_64/clone.S +++ b/sysdeps/unix/sysv/linux/x86_64/clone.S @@ -89,9 +89,6 @@ L(pseudo_end): ret L(thread_start): - cfi_startproc; - /* Clearing frame pointer is insufficient, use CFI. */ - cfi_undefined (rip); /* Clear the frame pointer. The ABI suggests this be done, to mark the outermost frame obviously. */ xorl %ebp, %ebp @@ -116,7 +113,6 @@ L(thread_start): /* Call exit with return value from function call. */ movq %rax, %rdi call HIDDEN_JUMPTARGET (_exit) - cfi_endproc; cfi_startproc; PSEUDO_END (BP_SYM (__clone)) |