* elf/dl-minimal.c: Define _itoa for 32-bit machines with HP timing.
* elf/dl-reloc.c: Pretty printing.
* sysdeps/generic/ldsodefs.h: Move _dl_hp_timing_overhead and
procinfo-related variables in rtld_global struct.
* elf/dl-support.c: Likewise.
* elf/rtld.c: Likewise.
* sysdeps/i386/i686/Makefile: Likewise.
* sysdeps/i386/i686/hp-timing.c: Likewise.
* sysdeps/i386/i686/hp-timing.h: Likewise.
* sysdeps/ia64/Makefile: Likewise.
* sysdeps/ia64/hp-timing.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/Makefile: Likewise.
* sysdeps/sparc/sparc32/sparcv9/hp-timing.c: Likewise.
* sysdeps/unix/sysv/linux/arm/dl-procinfo.c: Likewise.
* sysdeps/unix/sysv/linux/arm/dl-procinfo.h: Likewise.
* sysdeps/unix/sysv/linux/i386/Makefile: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-procinfo.c: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-procinfo.h: Likewise.
* sysdeps/x86_64/Makefile: Likewise.
2002-01-31 Ulrich Drepper <drepper@redhat.com>
+ * elf/dl-minimal.c: Define _itoa for 32-bit machines with HP timing.
+ * elf/dl-reloc.c: Pretty printing.
+ * sysdeps/generic/ldsodefs.h: Move _dl_hp_timing_overhead and
+ procinfo-related variables in rtld_global struct.
+ * elf/dl-support.c: Likewise.
+ * elf/rtld.c: Likewise.
+ * sysdeps/i386/i686/Makefile: Likewise.
+ * sysdeps/i386/i686/hp-timing.c: Likewise.
+ * sysdeps/i386/i686/hp-timing.h: Likewise.
+ * sysdeps/ia64/Makefile: Likewise.
+ * sysdeps/ia64/hp-timing.c: Likewise.
+ * sysdeps/sparc/sparc32/sparcv9/Makefile: Likewise.
+ * sysdeps/sparc/sparc32/sparcv9/hp-timing.c: Likewise.
+ * sysdeps/unix/sysv/linux/arm/dl-procinfo.c: Likewise.
+ * sysdeps/unix/sysv/linux/arm/dl-procinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/i386/Makefile: Likewise.
+ * sysdeps/unix/sysv/linux/i386/dl-procinfo.c: Likewise.
+ * sysdeps/unix/sysv/linux/i386/dl-procinfo.h: Likewise.
+ * sysdeps/x86_64/Makefile: Likewise.
+
* sysdeps/generic/ldsodefs.h: Add _dl_load_lock, _dl_lazy,
_dl_dynamic_weak, _dl_fpu_control, _dl_cpuclock_offset, and
_dl_debug_fd to rtld_global.
*endptr = (char *) nptr;
return result * sign;
}
+
+
+#if HP_TIMING_AVAIL && ULONG_MAX <= 4294967295UL
+/* We need this function to print the cycle count. On 64-bit machines the
+ _itoa_word function should be used. */
+char *
+_itoa (value, buflim, base, upper_case)
+ unsigned long long int value;
+ char *buflim;
+ unsigned int base;
+ int upper_case;
+{
+ char *bp = buflim;
+
+ assert (base == 10);
+
+ do
+ *--bp = '0' + value % 10;
+ while ((value /= 10) != 0);
+
+ return bp;
+}
+#endif
(ELFW(ST_BIND) ((*ref)->st_info) != STB_LOCAL \
? ((__builtin_expect ((*ref) == l->l_lookup_cache.sym, 0) \
&& elf_machine_type_class (r_type) == l->l_lookup_cache.type_class) \
- ? (bump_num_cache_relocations (), \
+ ? (bump_num_cache_relocations (), \
(*ref) = l->l_lookup_cache.ret, \
l->l_lookup_cache.value) \
: ({ lookup_t _lr; \
/* Nonzero during startup. */
int _dl_starting_up = 1;
+/* Get architecture specific initializer. */
+#include <dl-procinfo.c>
+
/* We expect less than a second for relocation. */
#ifdef HP_SMALL_TIMING_AVAIL
# undef HP_TIMING_AVAIL
(except those which cannot be added for some reason). */
struct rtld_global _rtld_global =
{
+ /* Get architecture specific initializer. */
+#include <dl-procinfo.c>
._dl_debug_fd = STDERR_FILENO,
#if 1
/* XXX I know about at least one case where we depend on the old
/* 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). */
/* 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
ifeq ($(subdir),csu)
sysdep_routines += hp-timing
+static-only-routines += hp-timing
endif
/* 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.
#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;
/* 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.
/* 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)
/* 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. */
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; \
ifeq ($(subdir), csu)
CPPFLAGS-start.S = -D__ASSEMBLY__
sysdep_routines += hp-timing
+static-only-routines += hp-timing
endif
ifeq ($(subdir),elf)
/* Support for high precision, low overhead timing functions. IA-64 version.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.
#include <hp-timing.h>
/* We have to define the variable for the overhead. */
-hp_timing_t __libc_hp_timing_overhead;
+hp_timing_t _dl_hp_timing_overhead;
ifeq ($(subdir),csu)
sysdep_routines += hp-timing
+static-only-routines += hp-timing
endif
ifeq ($(subst gnulib,string,$(subdir)),string)
/* 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.
#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;
/* 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.
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
/* 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.
#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. */
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");
__attribute__ ((unused))
_dl_hwcap_string (int idx)
{
- return _dl_arm_cap_flags[idx];
+ return GL(dl_arm_cap_flags)[idx];
};
enum
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;
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
/* 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
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
/* 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.
#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. */
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");
__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
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;
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;
ifeq ($(subdir),csu)
sysdep_routines += hp-timing
+static-only-routines += hp-timing
endif