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GNU C Library master sources branch master updated. glibc-2.21-527-geea3dc5
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 24 Jun 2015 17:28:27 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.21-527-geea3dc5
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=eea3dc5bf2813b77ee9819d1b9ec893140db1491
commit eea3dc5bf2813b77ee9819d1b9ec893140db1491
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jun 24 03:21:29 2015 -0700
Don't issue errors on GDB Python files
Many packages, including GCC, install Python files for GDB in library
diretory. ldconfig reads them and issue errors since they aren't ELF
files:
ldconfig: /usr/gcc-5.1.1/lib/libstdc++.so.6.0.21-gdb.py is not an ELF file - it has the wrong magic bytes at the start.
ldconfig: /usr/gcc-5.1.1/libx32/libstdc++.so.6.0.21-gdb.py is not an ELF file - it has the wrong magic bytes at the start.
ldconfig: /usr/gcc-5.1.1/lib64/libstdc++.so.6.0.21-gdb.py is not an ELF file - it has the wrong magic bytes at the start.
This patch silences ldconfig on GDB Python files by checking filenames
with -gdb.py suffix.
[BZ #18585]
* elf/readlib.c (is_gdb_python_file): New.
(process_file): Don't issue errors on filenames with -gdb.py
suffix.
diff --git a/ChangeLog b/ChangeLog
index aca044b..8cde91e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-06-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ [BZ #18585]
+ * elf/readlib.c (is_gdb_python_file): New.
+ (process_file): Don't issue errors on filenames with -gdb.py
+ suffix.
+
2015-06-24 Joseph Myers <joseph@codesourcery.com>
* math/auto-libm-test-in: Add more tests of csin and csinh.
diff --git a/NEWS b/NEWS
index 4646dcd..9fb0060 100644
--- a/NEWS
+++ b/NEWS
@@ -24,7 +24,7 @@ Version 2.22
18444, 18468, 18469, 18470, 18479, 18483, 18495, 18496, 18497, 18498,
18507, 18512, 18513, 18519, 18520, 18522, 18527, 18528, 18529, 18530,
18532, 18533, 18534, 18536, 18539, 18540, 18542, 18544, 18545, 18546,
- 18547, 18553, 18558, 18569, 18583, 18586, 18593.
+ 18547, 18553, 18558, 18569, 18583, 18585, 18586, 18593.
* Cache information can be queried via sysconf() function on s390 e.g. with
_SC_LEVEL1_ICACHE_SIZE as argument.
diff --git a/elf/readlib.c b/elf/readlib.c
index 5c14a42..7fd5b8a 100644
--- a/elf/readlib.c
+++ b/elf/readlib.c
@@ -63,6 +63,13 @@ static struct known_names known_libs[] =
};
+/* Check if string corresponds to a GDB Python file. */
+static bool
+is_gdb_python_file (const char *name)
+{
+ size_t len = strlen (name);
+ return len > 7 && strcmp (name + len - 7, "-gdb.py") == 0;
+}
/* Returns 0 if everything is ok, != 0 in case of error. */
int
@@ -157,7 +164,8 @@ process_file (const char *real_file_name, const char *file_name,
beginning of the file. */
size_t len = MIN (statbuf.st_size, 512);
if (memmem (file_contents, len, "GROUP", 5) == NULL
- && memmem (file_contents, len, "GNU ld script", 13) == NULL)
+ && memmem (file_contents, len, "GNU ld script", 13) == NULL
+ && !is_gdb_python_file (file_name))
error (0, 0, _("%s is not an ELF file - it has the wrong magic bytes at the start.\n"),
file_name);
ret = 1;
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 2 +-
elf/readlib.c | 10 +++++++++-
3 files changed, 17 insertions(+), 2 deletions(-)
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