http://llvm.org/bugs/show_bug.cgi?id=21515
Bug ID: 21515
Summary: .cfi_adjust_cfa_offset not reset across .cfi_endproc
Product: new-bugs
Version: 3.4
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
$ cat z.s
.cfi_startproc
nop
.cfi_adjust_cfa_offset 4
.cfi_endproc
.cfi_startproc
nop
.cfi_adjust_cfa_offset 4
.cfi_endproc
$ cc -c z.s
$ readelf -wf z.o
The section .eh_frame contains:
00000000 00000014 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 1
Data alignment factor: -4
Return address column: 8
Augmentation data: 1b
DW_CFA_def_cfa: r4 ofs 4
DW_CFA_offset: r8 at cfa-4
DW_CFA_nop
DW_CFA_nop
00000018 00000010 0000001c FDE cie=00000000 pc=00000000..00000001
DW_CFA_advance_loc: 1 to 00000001
DW_CFA_def_cfa_offset: 8
0000002c 00000010 00000030 FDE cie=00000000 pc=00000001..00000002
DW_CFA_advance_loc: 1 to 00000002
DW_CFA_def_cfa_offset: 12
The 12 on the last line should be 8.
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
Target: i386-unknown-freebsd10.1
Thread model: posix
Selected GCC installation:
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