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view lld/test/ELF/gc-sections-lsda.s @ 266:00f31e85ec16 default tip
Added tag current for changeset 31d058e83c98
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sat, 14 Oct 2023 10:13:55 +0900 |
parents | 2e18cbf3894f |
children |
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# REQUIRES: x86 # RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux ## Discard an unused .gcc_except_table in a COMDAT group or having SHF_LINK_ORDER ## if the associated text section is discarded. # RUN: ld.lld --gc-sections --print-gc-sections -u _Z3foov %t.o -o /dev/null | \ # RUN: FileCheck %s --implicit-check-not=.gcc_except_table # CHECK: removing unused section {{.*}}.o:(.text._Z6comdatv) # CHECK-NEXT: removing unused section {{.*}}.o:(.text._Z9linkorderv) # CHECK-NEXT: removing unused section {{.*}}.o:(.gcc_except_table._Z6comdatv) # CHECK-NEXT: removing unused section {{.*}}.o:(.gcc_except_table._Z9linkorderv) ## An unused non-group non-SHF_LINK_ORDER .gcc_except_table is not discarded. # RUN: ld.lld --gc-sections --print-gc-sections -u _Z6comdatv -u _Z9linkorderv %t.o -o /dev/null | \ # RUN: FileCheck /dev/null --implicit-check-not=.gcc_except_table ## If the text sections are live, the .gcc_except_table sections are retained as ## well because they are referenced by .eh_frame pieces. # RUN: ld.lld --gc-sections --print-gc-sections -u _Z3foov -u _Z6comdatv -u _Z9linkorderv %t.o -o /dev/null | \ # RUN: FileCheck %s --check-prefix=KEEP # KEEP-NOT: .gcc_except_table .section .text._Z3foov,"ax",@progbits .globl _Z3foov _Z3foov: .cfi_startproc ret .cfi_lsda 0x1b,.Lexception0 .cfi_endproc .section .text._Z6comdatv,"axG",@progbits,_Z6comdatv,comdat .globl _Z6comdatv _Z6comdatv: .cfi_startproc ret .cfi_lsda 0x1b,.Lexception1 .cfi_endproc .section .text._Z9linkorderv,"ax",@progbits .globl _Z9linkorderv _Z9linkorderv: .cfi_startproc ret .cfi_lsda 0x1b,.Lexception2 .cfi_endproc .section .gcc_except_table._Z3foov,"a",@progbits .Lexception0: .byte 255 .section .gcc_except_table._Z6comdatv,"aG",@progbits,_Z6comdatv,comdat .Lexception1: .byte 255 .section .gcc_except_table._Z9linkorderv,"ao",@progbits,_Z9linkorderv .Lexception2: .byte 255