https://sourceware.org/bugzilla/show_bug.cgi?id=27128
Bug ID: 27128
Summary: nm -P portable output format regression
Product: binutils
Version: 2.35.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: josh at joshtriplett dot org
Target Milestone: ---
The nm -P/--portability option no longer outputs valid portable-format output,
when dealing with libraries with symbol versions. The column that should
contain the symbol type now contains a concatenation of the symbol version and
the symbol type. This seems to have happened some time between 2.31.1 and
2.35.1. (Originally reported at
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978599 .)
nm -DP /bin/ls from binutils 2.31.1:
_ITM_deregisterTMCloneTable w
_ITM_registerTMCloneTable w
__assert_fail U
__ctype_b_loc U
__ctype_get_mb_cur_max U
__ctype_tolower_loc U
__ctype_toupper_loc U
__cxa_atexit U
__cxa_finalize w
__errno_location U
...
nm -DP /bin/ls from binutils 2.35.1:
_ITM_deregisterTMCloneTable w
_ITM_registerTMCloneTable w
__assert_fail @@GLIBC_2.2.5U
__ctype_b_loc @@GLIBC_2.3U
__ctype_get_mb_cur_max @@GLIBC_2.2.5U
__ctype_tolower_loc @@GLIBC_2.3U
__ctype_toupper_loc @@GLIBC_2.3U
__cxa_atexit @@GLIBC_2.2.5U
__cxa_finalize @@GLIBC_2.2.5w
__errno_location @@GLIBC_2.2.5U
...
nm -DP /bin/ls from current HEAD as of 20201218 (snapshot from Debian
experimental):
_ITM_deregisterTMCloneTable w
_ITM_registerTMCloneTable w
__assert_fail @GLIBC_2.2.5U
__ctype_b_loc @GLIBC_2.3U
__ctype_get_mb_cur_max @GLIBC_2.2.5U
__ctype_tolower_loc @GLIBC_2.3U
__ctype_toupper_loc @GLIBC_2.3U
__cxa_atexit @GLIBC_2.2.5U
__cxa_finalize @GLIBC_2.2.5w
__errno_location @GLIBC_2.2.5U
...
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