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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-06-23 09:03:19 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-06-23 09:20:46 -0700 |
| commit | 67145d84d9719d270f63f4399e337a4bdcb778f5 (patch) | |
| tree | 6d417e106b8cbea7f9cc6bc52c1cb974a714dc12 /sysdeps | |
| parent | b1e7c13cc58572600809d5173fed2c00c38af2e7 (diff) | |
| download | glibc-67145d84d9719d270f63f4399e337a4bdcb778f5.tar.gz glibc-67145d84d9719d270f63f4399e337a4bdcb778f5.tar.xz glibc-67145d84d9719d270f63f4399e337a4bdcb778f5.zip | |
Avoid .symver on common symbols [BZ #21666]
The .symver directive on common symbol just creates a new common symbol, not an alias and the newer assembler with the bug fix for https://sourceware.org/bugzilla/show_bug.cgi?id=21661 will issue an error. Before the fix, we got $ readelf -sW libc.so | grep "loc[12s]" 5109: 00000000003a0608 8 OBJECT LOCAL DEFAULT 36 loc1 5188: 00000000003a0610 8 OBJECT LOCAL DEFAULT 36 loc2 5455: 00000000003a0618 8 OBJECT LOCAL DEFAULT 36 locs 6575: 00000000003a05f0 8 OBJECT GLOBAL DEFAULT 36 locs@GLIBC_2.2.5 7156: 00000000003a05f8 8 OBJECT GLOBAL DEFAULT 36 loc1@GLIBC_2.2.5 7312: 00000000003a0600 8 OBJECT GLOBAL DEFAULT 36 loc2@GLIBC_2.2.5 in libc.so. The versioned loc1, loc2 and locs have the wrong addresses. After the fix, we got $ readelf -sW libc.so | grep "loc[12s]" 6570: 000000000039e3b8 8 OBJECT GLOBAL DEFAULT 34 locs@GLIBC_2.2.5 7151: 000000000039e3c8 8 OBJECT GLOBAL DEFAULT 34 loc1@GLIBC_2.2.5 7307: 000000000039e3c0 8 OBJECT GLOBAL DEFAULT 34 loc2@GLIBC_2.2.5 [BZ #21666] * misc/regexp.c (loc1): Add __attribute__ ((nocommon)); (loc2): Likewise. (locs): Likewise.
Diffstat (limited to 'sysdeps')
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