https://sourceware.org/bugzilla/show_bug.cgi?id=22789
Bug ID: 22789
Summary: addr2line can't determine function names in mips
binaries compiled with -gline-tables-only
Product: binutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: [email protected]
Target Milestone: ---
Created attachment 10785
--> https://sourceware.org/bugzilla/attachment.cgi?id=10785&action=edit
Example files
In the attachment are simple binaries compiled on mips64el. The 3 examples are
compiledusing llvm with -g, -gline-tables-only and without additional flags.
When addr2line is used to fetch function names it only fails on the file
compiled with -gline-tables-only:
$ addr2line 120000a40 -f -e simple_test
main
??:?
$ addr2line 120000a40 -f -e simple_g_test
main
/home/compiler-qa/llvm/simple_gline_test.c:2
$ addr2line 120000a40 -f -e simple_gline_test
??
/home/compiler-qa/llvm/simple_gline_test.c:2
The llvm-symbolizer doesn't have the same issue:
$ echo simple_test 0x120000a40 | llvm-symbolizer
main
??:0:0
$ echo simple_g_test 0x120000a40 | llvm-symbolizer
main
/home/compiler-qa/llvm/simple_gline_test.c:2:0
$ echo simple_gline_test 0x120000a40 | llvm-symbolizer
main
/home/compiler-qa/llvm/simple_gline_test.c:2:0
There is no difference with big-endian and mips32 binaries.
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