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Add demangling support to readelf.

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PR binutils/26331
	* readelf.c (do_demangle): New option flag.
	(print_symbol): If do_demangle is enabled, demangle the symbol.
	(enum long_option_values): New enum to hold long option values.
	(options): Add demangle, no-demangle, recursion-limit and
	no-recursion-limit options.  Alpha sort the table.
	(usage): Describe the new options.
	(parse_args): Handle the new options.
	* NEWS: Mention the new feature.
	* doc/binutils.texi: Document the new feature.
	* testsuite/binutils-all/readelf.exp: Test the new feature.
	* testsuite/binutils-all/mangled.s: New file - assembler source.
	* testsuite/binutils-all/readelf.demangled: New file - expected
	output from readelf.
This commit is contained in:
Nick Clifton
2020-08-12 13:31:59 +01:00
parent 79ddc88496
commit 79bc120c7b
7 changed files with 176 additions and 42 deletions
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6
binutils/testsuite/binutils-all/mangled.s Normal file
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@ -0,0 +1,6 @@
.text
.global _ZN4gold12Output_relocILi9ELb1ELi64ELb0EEC2EPNS_12Sized_relobjILi64ELb0EEEjjPNS_11Output_dataEmbbbb
_ZN4gold12Output_relocILi9ELb1ELi64ELb0EEC2EPNS_12Sized_relobjILi64ELb0EEEjjPNS_11Output_dataEmbbbb:
.dc.d 0

5
binutils/testsuite/binutils-all/readelf.demangled Normal file
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@ -0,0 +1,5 @@
Symbol table '.symtab' contains .* entries:
#...
.*gold::Output_reloc<9, true, 64, false>::Output_reloc\(gold::Sized_relobj<64, false>\*, unsigned int, unsigned int, gold::Output_data\*, unsigned long, bool, bool, bool, bool\)
#pass

16
binutils/testsuite/binutils-all/readelf.exp
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@ -345,12 +345,28 @@ if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then {
readelf_test -r $tempfile readelf.r {}
}
# Test demangling symbol names.
if {![binutils_assemble $srcdir/$subdir/mangled.s tmpdir/mangled.o]} then {
unresolved "readelf -s -C bintest (failed to assemble)"
} else {
if ![is_remote host] {
set tempfile tmpdir/mangled.o
} else {
set tempfile [remote_download host tmpdir/mangled.o]
}
# Run the test.
readelf_test {--syms --demangle --wide} $tempfile readelf.demangled {}
}
readelf_wi_test
readelf_compressed_wa_test
readelf_dump_test
run_dump_test "pr25543"
# PR 13482 - Check for off-by-one errors when dumping .note sections.
if {![binutils_assemble $srcdir/$subdir/version.s tmpdir/version.o]} then {
unresolved "readelf -n version (failed to assemble)"