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Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when

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constructing a section. Test for a few cases also included.

llvm-svn: 115132
This commit is contained in:
Jan Wen Voung 2010-09-30 02:41:46 +00:00
parent 3e2630deca
commit 0d25ddb1de
2 changed files with 71 additions and 1 deletions
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3
lib/MC/MCParser/ELFAsmParser.cpp
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@ -284,7 +284,8 @@ bool ELFAsmParser::ParseDirectiveSection(StringRef, SMLoc) {
? SectionKind::getText()
: SectionKind::getDataRel();
getStreamer().SwitchSection(getContext().getELFSection(SectionName, Type,
Flags, Kind, false));
Flags, Kind, false,
Size));
return false;
}

69
test/MC/ELF/entsize.s Normal file
View File

@ -0,0 +1,69 @@
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump --dump-section-data | FileCheck %s
// Test that mergeable constants have sh_entsize set.
// 1 byte strings
.section .rodata.str1.1,"aMS",@progbits,1
.type .L.str1,@object # @.str1
.L.str1:
.asciz "tring"
.size .L.str1, 6
.type .L.str2,@object # @.str2
.L.str2:
.asciz "String"
.size .L.str2, 7
// 2 byte strings
.section .rodata.str2.1,"aMS",@progbits,2
.type .L.str3,@object # @.str3
.L.str3:
.asciz "L\000o\000n\000g\000"
.size .L.str3, 9
.type .L.str4,@object # @.str4
.L.str4:
.asciz "o\000n\000g\000"
.size .L.str4, 7
// 8 byte constants
.section .rodata.cst8,"aM",@progbits,8
.quad 42
.quad 42
// CHECK: # Section 4
// CHECK-NEXT: ('sh_name', 18) # '.rodata.str1.1'
// CHECK-NEXT: ('sh_type', 1)
// CHECK-NEXT: ('sh_flags', 50)
// CHECK-NEXT: ('sh_addr',
// CHECK-NEXT: ('sh_offset',
// CHECK-NEXT: ('sh_size', 13)
// CHECK-NEXT: ('sh_link',
// CHECK-NEXT: ('sh_info',
// CHECK-NEXT: ('sh_addralign', 1)
// CHECK-NEXT: ('sh_entsize', 1)
// CHECK: # Section 5
// CHECK-NEXT: ('sh_name', 33) # '.rodata.str2.1'
// CHECK-NEXT: ('sh_type', 1)
// CHECK-NEXT: ('sh_flags', 50)
// CHECK-NEXT: ('sh_addr',
// CHECK-NEXT: ('sh_offset',
// CHECK-NEXT: ('sh_size', 16)
// CHECK-NEXT: ('sh_link',
// CHECK-NEXT: ('sh_info',
// CHECK-NEXT: ('sh_addralign', 1)
// CHECK-NEXT: ('sh_entsize', 2)
// CHECK: # Section 6
// CHECK-NEXT: ('sh_name', 48) # '.rodata.cst8
// CHECK-NEXT: ('sh_type', 1)
// CHECK-NEXT: ('sh_flags', 18)
// CHECK-NEXT: ('sh_addr',
// CHECK-NEXT: ('sh_offset',
// CHECK-NEXT: ('sh_size', 16)
// CHECK-NEXT: ('sh_link',
// CHECK-NEXT: ('sh_info',
// CHECK-NEXT: ('sh_addralign', 1)
// CHECK-NEXT: ('sh_entsize', 8)