diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/generic/ldsodefs.h | 9 | ||||
-rw-r--r-- | sysdeps/i386/i686/Makefile | 1 | ||||
-rw-r--r-- | sysdeps/i386/i686/hp-timing.c | 4 | ||||
-rw-r--r-- | sysdeps/i386/i686/hp-timing.h | 29 | ||||
-rw-r--r-- | sysdeps/ia64/Makefile | 1 | ||||
-rw-r--r-- | sysdeps/ia64/hp-timing.c | 4 | ||||
-rw-r--r-- | sysdeps/sparc/sparc32/sparcv9/Makefile | 1 | ||||
-rw-r--r-- | sysdeps/sparc/sparc32/sparcv9/hp-timing.c | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/arm/dl-procinfo.c | 45 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/arm/dl-procinfo.h | 11 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/Makefile | 6 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/dl-procinfo.c | 72 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/dl-procinfo.h | 16 | ||||
-rw-r--r-- | sysdeps/x86_64/Makefile | 1 |
14 files changed, 139 insertions, 65 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 3249105ac1..dccdbcb823 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -278,9 +278,12 @@ struct rtld_global /* The object to be initialized first. */ EXTERN struct link_map *_dl_initfirst; - /* Start time on CPU clock. */ #if HP_TIMING_AVAIL + /* Start time on CPU clock. */ EXTERN hp_timing_t _dl_cpuclock_offset; + + /* Overhead of a high-precision timing measurement. */ + EXTERN hp_timing_t _dl_hp_timing_overhead; #endif /* Name of the shared object to be profiled (if any). */ @@ -320,6 +323,10 @@ struct rtld_global /* File descriptor to write debug messages to. */ EXTERN int _dl_debug_fd; + /* Get architecture specific definitions. */ +#define PROCINFO_DECL +#include <dl-procinfo.c> + /* Structure describing the dynamic linker itself. */ EXTERN struct link_map _dl_rtld_map; #ifdef SHARED diff --git a/sysdeps/i386/i686/Makefile b/sysdeps/i386/i686/Makefile index b4b60d0814..b85167fe4d 100644 --- a/sysdeps/i386/i686/Makefile +++ b/sysdeps/i386/i686/Makefile @@ -1,3 +1,4 @@ ifeq ($(subdir),csu) sysdep_routines += hp-timing +static-only-routines += hp-timing endif diff --git a/sysdeps/i386/i686/hp-timing.c b/sysdeps/i386/i686/hp-timing.c index c52099c73d..c8c88650cb 100644 --- a/sysdeps/i386/i686/hp-timing.c +++ b/sysdeps/i386/i686/hp-timing.c @@ -1,5 +1,5 @@ /* Support for high precision, low overhead timing functions. i686 version. - Copyright (C) 1998 Free Software Foundation, Inc. + Copyright (C) 1998, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -21,4 +21,4 @@ #include <hp-timing.h> /* We have to define the variable for the overhead. */ -hp_timing_t __libc_hp_timing_overhead; +hp_timing_t _dl_hp_timing_overhead; diff --git a/sysdeps/i386/i686/hp-timing.h b/sysdeps/i386/i686/hp-timing.h index f2f24d3202..afb5c7123b 100644 --- a/sysdeps/i386/i686/hp-timing.h +++ b/sysdeps/i386/i686/hp-timing.h @@ -1,5 +1,5 @@ /* High precision, low overhead timing functions. i686 version. - Copyright (C) 1998 Free Software Foundation, Inc. + Copyright (C) 1998, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -84,10 +84,6 @@ /* We use 64bit values for the times. */ typedef unsigned long long int hp_timing_t; -/* Internal variable used to store the overhead of the measurement - opcodes. */ -extern hp_timing_t __libc_hp_timing_overhead; - /* Set timestamp value to zero. */ #define HP_TIMING_ZERO(Var) (Var) = (0) @@ -101,17 +97,20 @@ extern hp_timing_t __libc_hp_timing_overhead; /* Use two 'rdtsc' instructions in a row to find out how long it takes. */ #define HP_TIMING_DIFF_INIT() \ do { \ - int __cnt = 5; \ - __libc_hp_timing_overhead = ~0ull; \ - do \ + if (GL(dl_hp_timing_overhead) == 0) \ { \ - hp_timing_t __t1, __t2; \ - HP_TIMING_NOW (__t1); \ - HP_TIMING_NOW (__t2); \ - if (__t2 - __t1 < __libc_hp_timing_overhead) \ - __libc_hp_timing_overhead = __t2 - __t1; \ + int __cnt = 5; \ + GL(dl_hp_timing_overhead) = ~0ull; \ + do \ + { \ + hp_timing_t __t1, __t2; \ + HP_TIMING_NOW (__t1); \ + HP_TIMING_NOW (__t2); \ + if (__t2 - __t1 < GL(dl_hp_timing_overhead)) \ + GL(dl_hp_timing_overhead) = __t2 - __t1; \ + } \ + while (--__cnt > 0); \ } \ - while (--__cnt > 0); \ } while (0) /* It's simple arithmetic for us. */ @@ -122,7 +121,7 @@ extern hp_timing_t __libc_hp_timing_overhead; do { \ char __not_done; \ hp_timing_t __oldval = (Sum); \ - hp_timing_t __diff = (Diff) - __libc_hp_timing_overhead; \ + hp_timing_t __diff = (Diff) - GL(dl_hp_timing_overhead); \ do \ { \ hp_timing_t __newval = __oldval + __diff; \ diff --git a/sysdeps/ia64/Makefile b/sysdeps/ia64/Makefile index 997a227f73..a9848b7ffc 100644 --- a/sysdeps/ia64/Makefile +++ b/sysdeps/ia64/Makefile @@ -8,6 +8,7 @@ endif ifeq ($(subdir), csu) CPPFLAGS-start.S = -D__ASSEMBLY__ sysdep_routines += hp-timing +static-only-routines += hp-timing endif ifeq ($(subdir),elf) diff --git a/sysdeps/ia64/hp-timing.c b/sysdeps/ia64/hp-timing.c index 6509e22a08..ae8680f9a7 100644 --- a/sysdeps/ia64/hp-timing.c +++ b/sysdeps/ia64/hp-timing.c @@ -1,5 +1,5 @@ /* Support for high precision, low overhead timing functions. IA-64 version. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001. @@ -21,4 +21,4 @@ #include <hp-timing.h> /* We have to define the variable for the overhead. */ -hp_timing_t __libc_hp_timing_overhead; +hp_timing_t _dl_hp_timing_overhead; diff --git a/sysdeps/sparc/sparc32/sparcv9/Makefile b/sysdeps/sparc/sparc32/sparcv9/Makefile index 421f273dca..3d46725e44 100644 --- a/sysdeps/sparc/sparc32/sparcv9/Makefile +++ b/sysdeps/sparc/sparc32/sparcv9/Makefile @@ -2,6 +2,7 @@ sysdep-CFLAGS += -mcpu=v8 -mtune=ultrasparc -Wa,-Av9a ifeq ($(subdir),csu) sysdep_routines += hp-timing +static-only-routines += hp-timing endif ifeq ($(subst gnulib,string,$(subdir)),string) diff --git a/sysdeps/sparc/sparc32/sparcv9/hp-timing.c b/sysdeps/sparc/sparc32/sparcv9/hp-timing.c index 2b79d95031..49fb94d7ae 100644 --- a/sysdeps/sparc/sparc32/sparcv9/hp-timing.c +++ b/sysdeps/sparc/sparc32/sparcv9/hp-timing.c @@ -1,5 +1,5 @@ /* Support for high precision, low overhead timing functions. sparcv9 version. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by David S. Miller <davem@redhat.com>, 2001. @@ -21,4 +21,4 @@ #include <hp-timing.h> /* We have to define the variable for the overhead. */ -hp_timing_t __libc_hp_timing_overhead; +hp_timing_t _dl_hp_timing_overhead; diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.c b/sysdeps/unix/sysv/linux/arm/dl-procinfo.c index 8bc18bf8a7..9c6476cb59 100644 --- a/sysdeps/unix/sysv/linux/arm/dl-procinfo.c +++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.c @@ -1,5 +1,5 @@ /* Data for Linux/ARM version of processor capability information. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Philip Blundell <philb@gnu.org>, 2001. @@ -19,13 +19,44 @@ 02111-1307 USA. */ /* This information must be kept in sync with the _DL_HWCAP_COUNT and - _DL_PLATFORM_COUNT definitions in procinfo.h. */ + _DL_PLATFORM_COUNT definitions in procinfo.h. + If anything should be added here check whether the size of each string + is still ok with the given array size. -/* If anything should be added here check whether the size of each string - is still ok with the given array size. */ -const char _dl_arm_cap_flags[][10] = - { + All the #ifdefs in the definitions ar equite irritating but + necessary if we want to avoid duplicating the information. There + are three different modes: + + - PROCINFO_DECL is defined. This means we are only interested in + declarations. + + - PROCINFO_DECL is not defined: + + + if SHARED is defined the file is included in an array + initializer. The .element = { ... } syntax is needed. + + + if SHARED is not defined a normal array initialization is + needed. + */ + +#ifdef PROCINFO_DECL +EXTERN +#endif +#if !defined PROCINFO_DECL && defined SHARED + ._dl_arm_cap_flags +#else +const char _dl_arm_cap_flags[][10] +#endif +#ifndef PROCINFO_DECL += { "swp", "half", "thumb", "26bit", "fast-mult", "fpa", "vfp", "edsp", - }; + } +#endif +#if !defined SHARED || defined PROCINFO_DECL +; +#else +, +#endif +#undef PROCINFO_DECL diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h index 87d114c39c..7e7e66e727 100644 --- a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h +++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h @@ -1,5 +1,5 @@ /* Linux/ARM version of processor capability information handling macros. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Philip Blundell <philb@gnu.org>, 2001. @@ -23,9 +23,6 @@ #include <ldsodefs.h> -/* If anything should be added here check whether the size of each string - is still ok with the given array size. */ -extern const char _dl_arm_cap_flags[][10]; #define _DL_HWCAP_COUNT 32 /* The kernel provides platform data but it is not interesting. */ @@ -42,7 +39,7 @@ _dl_procinfo (int word) for (i = 0; i < _DL_HWCAP_COUNT; ++i) if (word & (1 << i)) - _dl_printf (" %s", _dl_arm_cap_flags[i]); + _dl_printf (" %s", GL(dl_arm_cap_flags)[i]); _dl_printf ("\n"); @@ -53,7 +50,7 @@ static inline const char * __attribute__ ((unused)) _dl_hwcap_string (int idx) { - return _dl_arm_cap_flags[idx]; + return GL(dl_arm_cap_flags)[idx]; }; enum @@ -78,7 +75,7 @@ _dl_string_hwcap (const char *str) for (i = 0; i < _DL_HWCAP_COUNT; i++) { - if (strcmp (str, _dl_arm_cap_flags[i]) == 0) + if (strcmp (str, GL(dl_arm_cap_flags)[i]) == 0) return i; } return -1; diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile index 4fc9434074..e4b9dc293d 100644 --- a/sysdeps/unix/sysv/linux/i386/Makefile +++ b/sysdeps/unix/sysv/linux/i386/Makefile @@ -7,12 +7,6 @@ ifeq ($(subdir),elf) sysdep-others += lddlibc4 install-bin += lddlibc4 -# extra shared linker files to link into dl-allobjs.so and libc -sysdep-dl-routines += dl-procinfo -sysdep_routines += dl-procinfo -# extra shared linker files to link only into dl-allobjs.so -sysdep-rtld-routines += dl-procinfo - ifeq (yes,$(build-shared)) # This is needed to support g++ v2 and v3. sysdep_routines += framestate diff --git a/sysdeps/unix/sysv/linux/i386/dl-procinfo.c b/sysdeps/unix/sysv/linux/i386/dl-procinfo.c index 75732b4e48..2f2f736761 100644 --- a/sysdeps/unix/sysv/linux/i386/dl-procinfo.c +++ b/sysdeps/unix/sysv/linux/i386/dl-procinfo.c @@ -1,7 +1,7 @@ /* Data for Linux/i386 version of processor capability information. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2001. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -19,20 +19,66 @@ 02111-1307 USA. */ /* This information must be kept in sync with the _DL_HWCAP_COUNT and - _DL_PLATFORM_COUNT definitions in procinfo.h. */ + _DL_PLATFORM_COUNT definitions in procinfo.h. + If anything should be added here check whether the size of each string + is still ok with the given array size. -/* If anything should be added here check whether the size of each string - is still ok with the given array size. */ -const char _dl_x86_cap_flags[][7] = - { + All the #ifdefs in the definitions ar equite irritating but + necessary if we want to avoid duplicating the information. There + are three different modes: + + - PROCINFO_DECL is defined. This means we are only interested in + declarations. + + - PROCINFO_DECL is not defined: + + + if SHARED is defined the file is included in an array + initializer. The .element = { ... } syntax is needed. + + + if SHARED is not defined a normal array initialization is + needed. + */ + +#ifdef PROCINFO_DECL +EXTERN +#endif +#if !defined PROCINFO_DECL && defined SHARED + ._dl_x86_cap_flags +#else +const char _dl_x86_cap_flags[32][8] +#endif +#ifndef PROCINFO_DECL += { "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", "cx8", "apic", "10", "sep", "mtrr", "pge", "mca", "cmov", - "pat", "pse36", "psn", "19", "20", "21", "22", "mmx", - "osfxsr", "xmm", "xmm2", "27", "28", "29", "30", "amd3d" - }; + "pat", "pse36", "pn", "clflush", "20", "dts", "acpi", "mmx", + "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "amd3d" + } +#endif +#if !defined SHARED || defined PROCINFO_DECL +; +#else +, +#endif -const char _dl_x86_platforms[][5] = - { +#ifdef PROCINFO_DECL +EXTERN +#endif +#if !defined PROCINFO_DECL && defined SHARED + ._dl_x86_platforms +#else +const char _dl_x86_platforms[4][5] +#endif +#ifndef PROCINFO_DECL += { "i386", "i486", "i586", "i686" - }; + } +#endif +#if !defined SHARED || defined PROCINFO_DECL +; +#else +, +#endif + +#undef PROCINFO_DECL diff --git a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h index d1658fafde..d2c547f467 100644 --- a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h +++ b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h @@ -1,5 +1,5 @@ /* Linux/i386 version of processor capability information handling macros. - Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -23,12 +23,8 @@ #include <ldsodefs.h> -/* If anything should be added here check whether the size of each string - is still ok with the given array size. */ -extern const char _dl_x86_cap_flags[][7]; #define _DL_HWCAP_COUNT 32 -extern const char _dl_x86_platforms[][5]; #define _DL_PLATFORMS_COUNT 4 /* Start at 48 to reserve some space. */ @@ -49,7 +45,7 @@ _dl_procinfo (int word) for (i = 0; i < _DL_HWCAP_COUNT; ++i) if (word & (1 << i)) - _dl_printf (" %s", _dl_x86_cap_flags[i]); + _dl_printf (" %s", GL(dl_x86_cap_flags)[i]); _dl_printf ("\n"); @@ -60,14 +56,14 @@ static inline const char * __attribute__ ((unused)) _dl_hwcap_string (int idx) { - return _dl_x86_cap_flags[idx]; + return GL(dl_x86_cap_flags)[idx]; }; static inline const char * __attribute__ ((unused)) _dl_platform_string (int idx) { - return _dl_x86_platforms [idx - _DL_FIRST_PLATFORM]; + return GL(dl_x86_platforms)[idx - _DL_FIRST_PLATFORM]; }; enum @@ -107,7 +103,7 @@ _dl_string_hwcap (const char *str) for (i = 0; i < _DL_HWCAP_COUNT; i++) { - if (strcmp (str, _dl_x86_cap_flags[i]) == 0) + if (strcmp (str, GL(dl_x86_cap_flags)[i]) == 0) return i; } return -1; @@ -123,7 +119,7 @@ _dl_string_platform (const char *str) if (str != NULL) for (i = 0; i < _DL_PLATFORMS_COUNT; ++i) { - if (strcmp (str, _dl_x86_platforms[i]) == 0) + if (strcmp (str, GL(dl_x86_platforms)[i]) == 0) return _DL_FIRST_PLATFORM + i; } return -1; diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile index 4e64fb0a5e..ad2a0cac06 100644 --- a/sysdeps/x86_64/Makefile +++ b/sysdeps/x86_64/Makefile @@ -3,4 +3,5 @@ long-double-fcts = yes ifeq ($(subdir),csu) sysdep_routines += hp-timing +static-only-routines += hp-timing endif |