glibc/SOURCES/glibc-rh1817513-100.patch

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2021-05-18 06:37:04 +00:00
commit bb5fd5ce64b598085bdb8a05cb53777480fe093c
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 9 10:13:14 2020 +0200
elf: Do not pass GLRO(dl_platform), GLRO(dl_platformlen) to _dl_important_hwcaps
In the current code, the function can easily obtain the information
on its own.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
diff --git a/elf/dl-hwcaps.c b/elf/dl-hwcaps.c
index ae2e4ca7fe91d407..82ee89c36a1eb4ab 100644
--- a/elf/dl-hwcaps.c
+++ b/elf/dl-hwcaps.c
@@ -28,13 +28,12 @@
/* Return an array of useful/necessary hardware capability names. */
const struct r_strlenpair *
-_dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
- size_t *max_capstrlen)
+_dl_important_hwcaps (size_t *sz, size_t *max_capstrlen)
{
uint64_t hwcap_mask = GET_HWCAP_MASK();
/* Determine how many important bits are set. */
uint64_t masked = GLRO(dl_hwcap) & hwcap_mask;
- size_t cnt = platform != NULL;
+ size_t cnt = GLRO (dl_platform) != NULL;
size_t n, m;
size_t total;
struct r_strlenpair *result;
@@ -60,10 +59,10 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
masked ^= 1ULL << n;
++m;
}
- if (platform != NULL)
+ if (GLRO (dl_platform) != NULL)
{
- temp[m].str = platform;
- temp[m].len = platform_len;
+ temp[m].str = GLRO (dl_platform);
+ temp[m].len = GLRO (dl_platformlen);
++m;
}
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 2eb4f35b2467f7d8..d2be21ea7d1545fe 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -697,8 +697,7 @@ _dl_init_paths (const char *llp, const char *source)
#ifdef SHARED
/* Get the capabilities. */
- capstr = _dl_important_hwcaps (GLRO(dl_platform), GLRO(dl_platformlen),
- &ncapstr, &max_capstrlen);
+ capstr = _dl_important_hwcaps (&ncapstr, &max_capstrlen);
#endif
/* First set up the rest of the default search directory entries. */
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index aa006afafaf46dee..2c9fdeb286bdaadf 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -1069,12 +1069,12 @@ extern void _dl_show_auxv (void) attribute_hidden;
other. */
extern char *_dl_next_ld_env_entry (char ***position) attribute_hidden;
-/* Return an array with the names of the important hardware capabilities. */
-extern const struct r_strlenpair *_dl_important_hwcaps (const char *platform,
- size_t paltform_len,
- size_t *sz,
- size_t *max_capstrlen)
- attribute_hidden;
+/* Return an array with the names of the important hardware
+ capabilities. The length of the array is written to *SZ, and the
+ maximum of all strings length is written to *MAX_CAPSTRLEN. */
+const struct r_strlenpair *_dl_important_hwcaps (size_t *sz,
+ size_t *max_capstrlen)
+ attribute_hidden;
/* Look up NAME in ld.so.cache and return the file name stored there,
or null if none is found. Caller must free returned string. */