binutils-gdb/ld/testsuite/ld-elf/pr23591c.s

	.section        __sancov_cntrs,"aG",%progbits,foo1,comdat
	.long 0
	.section .text,"axG",%progbits,foo1,comdat
.ifdef UNDERSCORE
	.globl _foo1
	.type _foo1, %function
_foo1:
.else
	.globl foo1
	.type foo1, %function
foo1:
.endif
	.long 0
	.section        __sancov_cntrs,"aG",%progbits,foo2,comdat
	.long 1
	.section .text,"axG",%progbits,foo2,comdat
.ifdef UNDERSCORE
	.globl _foo2
	.type _foo2, %function
_foo2:
	.long 1
.else
	.globl foo2
	.type foo2, %function
foo2:
.endif
ld: Lookup section in output with the same name When there are more than one input sections with the same section name, SECNAME, linker picks the first one to define __start_SECNAME and __stop_SECNAME symbols. When the first input section is removed by comdat group, we need to check if there is still an output section with section name SECNAME. PR ld/23591 * ldlang.c (undef_start_stop): Lookup section in output with the same name. * testsuite/ld-elf/pr23591.d: New file. * testsuite/ld-elf/pr23591a.s: Likewise. * testsuite/ld-elf/pr23591b.s: Likewise. * testsuite/ld-elf/pr23591c.s: Likewise. 2018-09-01 00:25:31 +08:00			`.section __sancov_cntrs,"aG",%progbits,foo1,comdat`
			`.long 0`
			`.section .text,"axG",%progbits,foo1,comdat`
			`.ifdef UNDERSCORE`
			`.globl _foo1`
			`.type _foo1, %function`
			`_foo1:`
			`.else`
			`.globl foo1`
			`.type foo1, %function`
			`foo1:`
			`.endif`
			`.long 0`
			`.section __sancov_cntrs,"aG",%progbits,foo2,comdat`
			`.long 1`
			`.section .text,"axG",%progbits,foo2,comdat`
			`.ifdef UNDERSCORE`
			`.globl _foo2`
			`.type _foo2, %function`
			`_foo2:`
			`.long 1`
			`.else`
			`.globl foo2`
			`.type foo2, %function`
			`foo2:`
			`.endif`