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binutils/testsuite: Fix a crash with STN_UNDEF in relocation 

Verify that `strip' completes successfully and a correct relocation
entry is copied for a relocation encountered with the STN_UNDEF symbol
index.

	binutils/
	* testsuite/binutils-all/strip-15.d: New test.
	* testsuite/binutils-all/strip-15rel.s: New test source.
	* testsuite/binutils-all/strip-15rela.s: New test source.
	* testsuite/binutils-all/strip-15mips64.s: New test source.
	* testsuite/binutils-all/objcopy.exp: Run the new test.
This commit is contained in:
Maciej W. Rozycki 2018-04-09 13:42:01 +01:00
parent aec2e0d252
commit d52e3d06e5
6 changed files with 85 additions and 0 deletions
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8
binutils/ChangeLog
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@ -1,3 +1,11 @@
2018-04-09 Maciej W. Rozycki <macro@mips.com>
* testsuite/binutils-all/strip-15.d: New test.
* testsuite/binutils-all/strip-15rel.s: New test source.
* testsuite/binutils-all/strip-15rela.s: New test source.
* testsuite/binutils-all/strip-15mips64.s: New test source.
* testsuite/binutils-all/objcopy.exp: Run the new test.
2018-04-09 Maciej W. Rozycki <macro@mips.com>
* testsuite/binutils-all/strip-14.d: New test.

5
binutils/testsuite/binutils-all/objcopy.exp
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@ -1123,6 +1123,11 @@ if [is_elf_format] {
[list as "--defsym RELOC=${reloc}"] \
[list as [expr {[is_elf64 tmpdir/bintest.o] \
? "--defsym ELF64=1" : ""}]]]
run_dump_test "strip-15" [list \
[list source strip-15${reloc_format}.s] \
[list as "--defsym RELOC=${reloc}"] \
[list as [expr {[is_elf64 tmpdir/bintest.o] \
? "--defsym ELF64=1" : ""}]]]
# This requires STB_GNU_UNIQUE support with OSABI set to GNU.
if { [supports_gnu_unique] } {

8
binutils/testsuite/binutils-all/strip-15.d Normal file
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@ -0,0 +1,8 @@
#PROG: strip
#strip: -g
#readelf: -r
Relocation section '\.rela?\.text' at offset .* contains 2 entries:
*Offset * Info * Type * Sym\. *Value * Sym\. *Name(?: * \+ * Addend)?
0+00 * 0+0(?:1|32|103) * R_[^ ]* *(?: * 55aa)?
#pass

14
binutils/testsuite/binutils-all/strip-15mips64.s Normal file
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@ -0,0 +1,14 @@
.text
foo:
.dc.l 0x12345678
.section .rela.text
.dc.a 0
.dc.l 0x00000000
.dc.b 0, 0, 0, RELOC
.dc.a 0x000055aa
.dc.a 0
.dc.l 0
.dc.b 0, 0, 0, 0
.dc.a 0

23
binutils/testsuite/binutils-all/strip-15rel.s Normal file
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@ -0,0 +1,23 @@
.text
foo:
.dc.l 0x12345678
.section .rel.text
.ifdef ELF64
.dc.a 0
.dc.a RELOC
.dc.a 0
.dc.a 0
.else
# Some targets, such as `m68hc11-*', use 16-bit addresses.
# With them `.dc.a' emits 16-bit quantities, so we need to use
# `.dc.l' for 32-bit relocation data.
.dc.l 0
.dc.l RELOC
.dc.l 0
.dc.l 0
.endif

27
binutils/testsuite/binutils-all/strip-15rela.s Normal file
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@ -0,0 +1,27 @@
.text
foo:
.dc.l 0x12345678
.section .rela.text
.ifdef ELF64
.dc.a 0
.dc.a RELOC
.dc.a 0x00000000000055aa
.dc.a 0
.dc.a 0
.dc.a 0
.else
# Some targets, such as `h8300-*' or `ip2k-*', use 16-bit addresses.
# With them `.dc.a' emits 16-bit quantities, so we need to use
# `.dc.l' for 32-bit relocation data.
.dc.l 0
.dc.l RELOC
.dc.l 0x000055aa
.dc.l 0
.dc.l 0
.dc.l 0
.endif