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2000-11-15  Andreas Jaeger  <aj@suse.de>

	* elf/cache.c (struct cache_entry): Use uint64_t for hwcap.
	(print_entry): Likewise.
	(add_to_cache): Likewise.

	* elf/ldconfig.h (add_to_cache): Change prototype for hwcap change.

	* elf/ldconfig.c (struct lib_entry): Use uint64_t for hwcap.
	(path_hwcap): Likewise.
	(search_dir): Likewise.

	* sysdeps/generic/dl-cache.c (HWCAP_CHECK): Handle platform.

	* elf/cache.c (add_to_cache): Handle 64 bit hwcap entry.

	* sysdeps/unix/sysv/linux/sparc/sparc32/dl-procinfo.h
	(_dl_platform_string): New. 
	(_DL_HWCAP_PLATFORM): New.
	(_dl_string_platform): New.
	* sysdeps/unix/sysv/linux/sparc/sparc64/dl-procinfo.h: Likewise.

	* sysdeps/generic/dl-procinfo.h (_DL_HWCAP_COUNT): New.
	(_dl_string_platform): New.
	(_DL_HWCAP_PLATFORM): New.
	(_dl_platform_string): New.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h: Added x86 platform
	recognition.
	(_DL_HWCAP_COUNT): New.
	(_dl_string_platform): New.
	(_DL_HWCAP_PLATFORM): New.
	(_dl_platform_string): New.
This commit is contained in:
Andreas Jaeger
2000-11-15 08:46:30 +00:00
parent ad1a5cc746
commit a6c1c03a44
8 changed files with 134 additions and 16 deletions
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34
ChangeLog
View File

@@ -1,3 +1,37 @@
2000-11-15 Andreas Jaeger <aj@suse.de>
* elf/cache.c (struct cache_entry): Use uint64_t for hwcap.
(print_entry): Likewise.
(add_to_cache): Likewise.
* elf/ldconfig.h (add_to_cache): Change prototype for hwcap change.
* elf/ldconfig.c (struct lib_entry): Use uint64_t for hwcap.
(path_hwcap): Likewise.
(search_dir): Likewise.
* sysdeps/generic/dl-cache.c (HWCAP_CHECK): Handle platform.
* elf/cache.c (add_to_cache): Handle 64 bit hwcap entry.
* sysdeps/unix/sysv/linux/sparc/sparc32/dl-procinfo.h
(_dl_platform_string): New.
(_DL_HWCAP_PLATFORM): New.
(_dl_string_platform): New.
* sysdeps/unix/sysv/linux/sparc/sparc64/dl-procinfo.h: Likewise.
* sysdeps/generic/dl-procinfo.h (_DL_HWCAP_COUNT): New.
(_dl_string_platform): New.
(_DL_HWCAP_PLATFORM): New.
(_dl_platform_string): New.
* sysdeps/unix/sysv/linux/i386/dl-procinfo.h: Added x86 platform
recognition.
(_DL_HWCAP_COUNT): New.
(_dl_string_platform): New.
(_DL_HWCAP_PLATFORM): New.
(_dl_platform_string): New.
2000-11-14 Ulrich Drepper <drepper@redhat.com> 2000-11-14 Ulrich Drepper <drepper@redhat.com>
* iconvdata/gconv-modules: Add CP936 as alias for GBK. * iconvdata/gconv-modules: Add CP936 as alias for GBK.

33
elf/ldconfig.c
View File

@@ -28,6 +28,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <stdint.h>
#include <sys/fcntl.h> #include <sys/fcntl.h>
#include <sys/mman.h> #include <sys/mman.h>
#include <sys/stat.h> #include <sys/stat.h>
@@ -53,7 +54,7 @@
struct lib_entry struct lib_entry
{ {
int flags; int flags;
unsigned long int hwcap; uint64_t hwcap;
char *lib; char *lib;
char *path; char *path;
}; };
@@ -148,25 +149,31 @@ static struct argp argp =
options, parse_opt, NULL, doc, NULL, NULL, NULL options, parse_opt, NULL, doc, NULL, NULL, NULL
}; };
/* Check if string corresponds to an important hardware capability. */ /* Check if string corresponds to an important hardware capability or
a platform. */
static int static int
is_hwcap (const char *name) is_hwcap_platform (const char *name)
{ {
int hwcap_idx = _dl_string_hwcap (name); int hwcap_idx = _dl_string_hwcap (name);
if (hwcap_idx != -1 && ((1 << hwcap_idx) & HWCAP_IMPORTANT)) if (hwcap_idx != -1 && ((1 << hwcap_idx) & HWCAP_IMPORTANT))
return 1; return 1;
hwcap_idx = _dl_string_platform (name);
if (hwcap_idx != -1)
return 1;
return 0; return 0;
} }
/* Get hwcap encoding of path. */ /* Get hwcap (including platform) encoding of path. */
static unsigned long int static uint64_t
path_hwcap (const char *path) path_hwcap (const char *path)
{ {
char *str = xstrdup (path); char *str = xstrdup (path);
char *ptr; char *ptr;
unsigned long int hwcap = 0; uint64_t hwcap = 0;
unsigned long int h; uint64_t h;
size_t len; size_t len;
@@ -184,9 +191,11 @@ path_hwcap (const char *path)
h = _dl_string_hwcap (ptr + 1); h = _dl_string_hwcap (ptr + 1);
if (h == -1)
h = _dl_string_platform (ptr + 1);
if (h == -1) if (h == -1)
break; break;
hwcap += 1 << h; hwcap += 1ULL << h;
/* Search the next part of the path. */ /* Search the next part of the path. */
*ptr = '\0'; *ptr = '\0';
@@ -576,7 +585,7 @@ search_dir (const struct dir_entry *entry)
struct dlib_entry *dlib_ptr; struct dlib_entry *dlib_ptr;
struct stat64 stat_buf; struct stat64 stat_buf;
int is_link; int is_link;
unsigned long int hwcap = path_hwcap (entry->path); uint64_t hwcap = path_hwcap (entry->path);
file_name_len = PATH_MAX; file_name_len = PATH_MAX;
file_name = alloca (file_name_len); file_name = alloca (file_name_len);
@@ -586,7 +595,7 @@ search_dir (const struct dir_entry *entry)
if (opt_verbose) if (opt_verbose)
{ {
if (hwcap != 0) if (hwcap != 0)
printf ("%s: (hwcap: 0x%lx)\n", entry->path, hwcap); printf ("%s: (hwcap: 0x%Lx)\n", entry->path, hwcap);
else else
printf ("%s:\n", entry->path); printf ("%s:\n", entry->path);
} }
@@ -630,7 +639,7 @@ search_dir (const struct dir_entry *entry)
if (((strncmp (direntry->d_name, "lib", 3) != 0 if (((strncmp (direntry->d_name, "lib", 3) != 0
&& strncmp (direntry->d_name, "ld-", 3) != 0) && strncmp (direntry->d_name, "ld-", 3) != 0)
|| strstr (direntry->d_name, ".so") == NULL) || strstr (direntry->d_name, ".so") == NULL)
&& !is_hwcap (direntry->d_name)) && !is_hwcap_platform (direntry->d_name))
continue; continue;
len = strlen (entry->path) + strlen (direntry->d_name); len = strlen (entry->path) + strlen (direntry->d_name);
if (len > file_name_len) if (len > file_name_len)
@@ -662,7 +671,7 @@ search_dir (const struct dir_entry *entry)
continue; continue;
} }
if (S_ISDIR (stat_buf.st_mode) && is_hwcap (direntry->d_name)) if (S_ISDIR (stat_buf.st_mode) && is_hwcap_platform (direntry->d_name))
{ {
/* Handle subdirectory later. */ /* Handle subdirectory later. */
struct dir_entry *new_entry; struct dir_entry *new_entry;

2
elf/ldconfig.h
View File

@@ -39,7 +39,7 @@ extern void init_cache (void);
extern void save_cache (const char *cache_name); extern void save_cache (const char *cache_name);
extern void add_to_cache (const char *path, const char *lib, int flags, extern void add_to_cache (const char *path, const char *lib, int flags,
unsigned long int hwcap); uint64_t hwcap);
/* Declared in readlib.c. */ /* Declared in readlib.c. */
extern int process_file (const char *real_file_name, const char *file_name, extern int process_file (const char *real_file_name, const char *file_name,

17
sysdeps/generic/dl-cache.c
View File

@@ -22,7 +22,9 @@
#include <ldsodefs.h> #include <ldsodefs.h>
#include <sys/mman.h> #include <sys/mman.h>
#include <dl-cache.h> #include <dl-cache.h>
#include <dl-procinfo.h>
#include <stdio-common/_itoa.h>
/* System-dependent function to read a file's whole contents /* System-dependent function to read a file's whole contents
in the most convenient manner available. */ in the most convenient manner available. */
@@ -30,6 +32,8 @@ extern void *_dl_sysdep_read_whole_file (const char *filename,
size_t *filesize_ptr, size_t *filesize_ptr,
int mmap_prot); int mmap_prot);
extern const char *_dl_platform;
/* This is the starting address and the size of the mmap()ed file. */ /* This is the starting address and the size of the mmap()ed file. */
static struct cache_file *cache; static struct cache_file *cache;
static struct cache_file_new *cache_new; static struct cache_file_new *cache_new;
@@ -209,6 +213,7 @@ _dl_load_cache_lookup (const char *name)
{ {
/* This file ends in static libraries where we don't have a hwcap. */ /* This file ends in static libraries where we don't have a hwcap. */
unsigned long int *hwcap; unsigned long int *hwcap;
uint64_t platform;
weak_extern (_dl_hwcap); weak_extern (_dl_hwcap);
/* This is where the strings start. */ /* This is where the strings start. */
@@ -218,9 +223,19 @@ _dl_load_cache_lookup (const char *name)
cache_data_size = (const char *) cache + cachesize - cache_data; cache_data_size = (const char *) cache + cachesize - cache_data;
hwcap = &_dl_hwcap; hwcap = &_dl_hwcap;
platform = _dl_string_platform (_dl_platform);
if (platform != -1)
platform = 1ULL << platform;
/* Only accept hwcap if it's for the right platform. */
#define HWCAP_CHECK \ #define HWCAP_CHECK \
if (hwcap && (cache_new->libs[middle].hwcap & *hwcap) > *hwcap) \ if (_DL_PLATFORMS_COUNT && platform != -1 \
&& (cache_new->libs[middle].hwcap & _DL_HWCAP_PLATFORM) != 0 \
&& (cache_new->libs[middle].hwcap & _DL_HWCAP_PLATFORM) != platform) \
continue; \
if (hwcap \
&& ((cache_new->libs[middle].hwcap & *hwcap & ~_DL_HWCAP_PLATFORM) \
> *hwcap)) \
continue continue
SEARCH_CACHE (cache_new); SEARCH_CACHE (cache_new);
} }

8
sysdeps/generic/dl-procinfo.h
View File

@@ -27,12 +27,20 @@
/* There are no hardware capabilities defined. */ /* There are no hardware capabilities defined. */
#define _dl_hwcap_string(idx) "" #define _dl_hwcap_string(idx) ""
/* There are no different platforms defined. */
#define _dl_platform_string(idx) ""
/* By default there is no important hardware capability. */ /* By default there is no important hardware capability. */
#define HWCAP_IMPORTANT (0) #define HWCAP_IMPORTANT (0)
/* There're no platforms to filter out. */
#define _DL_HWCAP_PLATFORM 0
/* We don't have any hardware capabilities. */ /* We don't have any hardware capabilities. */
#define _DL_HWCAP_COUNT 0 #define _DL_HWCAP_COUNT 0
#define _dl_string_hwcap(str) (-1) #define _dl_string_hwcap(str) (-1)
#define _dl_string_platform(str) (-1)
#endif /* dl-procinfo.h */ #endif /* dl-procinfo.h */

36
sysdeps/unix/sysv/linux/i386/dl-procinfo.h
View File

@@ -32,6 +32,18 @@ static const char x86_cap_flags[][7] =
}; };
#define _DL_HWCAP_COUNT 32 #define _DL_HWCAP_COUNT 32
static const char x86_platforms[][5] =
{
"i386", "i486", "i586", "i686"
};
#define _DL_PLATFORMS_COUNT 4
/* Start at 48 to reserve some space. */
#define _DL_FIRST_PLATFORM 48
/* Mask to filter out platforms. */
#define _DL_HWCAP_PLATFORM (7ULL << _DL_FIRST_PLATFORM)
static inline int static inline int
__attribute__ ((unused)) __attribute__ ((unused))
_dl_procinfo (int word) _dl_procinfo (int word)
@@ -58,6 +70,13 @@ _dl_hwcap_string (int idx)
return x86_cap_flags[idx]; return x86_cap_flags[idx];
}; };
static inline const char *
__attribute__ ((unused))
_dl_platform_string (int idx)
{
return x86_platforms [idx - _DL_FIRST_PLATFORM];
};
enum enum
{ {
HWCAP_I386_FPU = 1 << 0, HWCAP_I386_FPU = 1 << 0,
@@ -82,6 +101,7 @@ enum
/* XXX Which others to add here? */ /* XXX Which others to add here? */
HWCAP_IMPORTANT = (HWCAP_I386_MMX) HWCAP_IMPORTANT = (HWCAP_I386_MMX)
}; };
static inline int static inline int
@@ -98,4 +118,20 @@ _dl_string_hwcap (const char *str)
return -1; return -1;
}; };
static inline int
__attribute__ ((unused))
_dl_string_platform (const char *str)
{
int i;
if (str != NULL)
for (i = 0; i < _DL_PLATFORMS_COUNT; ++i)
{
if (strcmp (str, x86_platforms[i]) == 0)
return _DL_FIRST_PLATFORM + i;
}
return -1;
};
#endif /* dl-procinfo.h */ #endif /* dl-procinfo.h */

8
sysdeps/unix/sysv/linux/sparc/sparc32/dl-procinfo.h
View File

@@ -68,4 +68,12 @@ _dl_string_hwcap (const char *str)
#define HWCAP_IMPORTANT (HWCAP_SPARC_V9) #define HWCAP_IMPORTANT (HWCAP_SPARC_V9)
/* There are no different platforms defined. */
#define _dl_platform_string(idx) ""
/* There're no platforms to filter out. */
#define _DL_HWCAP_PLATFORM 0
#define _dl_string_platform(str) (-1)
#endif /* dl-procinfo.h */ #endif /* dl-procinfo.h */

8
sysdeps/unix/sysv/linux/sparc/sparc64/dl-procinfo.h
View File

@@ -69,4 +69,12 @@ _dl_string_hwcap (const char *str)
#define HWCAP_IMPORTANT (0) #define HWCAP_IMPORTANT (0)
/* There are no different platforms defined. */
#define _dl_platform_string(idx) ""
/* There're no platforms to filter out. */
#define _DL_HWCAP_PLATFORM 0
#define _dl_string_platform(str) (-1)
#endif /* dl-procinfo.h */ #endif /* dl-procinfo.h */