https://sourceware.org/bugzilla/show_bug.cgi?id=32769
Bug ID: 32769
Summary: ld: SFrame sections get deleted with --gc-sections
Product: binutils
Version: 2.45 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
$ cat gc-section.s
.text
.globl foo
.type foo, @function
foo:
.cfi_startproc
ret
.cfi_endproc
.size foo, .-foo
$ as -o gc-section.o --gsframe gc-section.s
$ readelf -SW gc-section.o | grep 'sframe'
[ 7] .sframe PROGBITS 0000000000000000 0000a8 000033 00 A
0 0 8
[ 8] .rela.sframe RELA 0000000000000000 000148 000018 18 I
9 7 8
$ readelf --sframe gc-section.o
Contents of the SFrame section .sframe:
Header :
Version: SFRAME_VERSION_2
Flags: NONE
CFA fixed RA offset: -8
Num FDEs: 1
Num FREs: 1
Function Index :
func idx [0]: pc = 0x0, size = 1 bytes
STARTPC CFA FP RA
0000000000000000 sp+8 u f
$ ld --gc-sections -e foo -o dump.o gc-section.o
$ readelf -wF dump.o
Contents of the .eh_frame section:
00000000 0000000000000014 00000000 CIE "zR" cf=1 df=-8 ra=16
LOC CFA ra
0000000000000000 rsp+8 c-8
00000018 0000000000000010 0000001c FDE cie=00000000
pc=0000000000401000..0000000000401001
$ readelf -SW dump.o | grep 'sframe'
There is no .sframe section in dump.o.
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