llvm/test/MC/ELF/many-sections-2.s
Hans Wennborg a8febf2283 ELFObjectWriter: deduplicate suffices in strtab
We already do this for shstrtab, so might as well do it for strtab. This
extracts the string table building code into a separate class. The idea
is to use it for other object formats too.

I mostly wanted to do this for the general principle, but it does save a
little bit on object file size. I tried this on a clang bootstrap and
saved 0.54% on the sum of object file sizes (1.14 MB out of 212 MB for
a release build).

Differential Revision: http://reviews.llvm.org/D3533

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207670 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-30 16:25:02 +00:00

134 lines
2.8 KiB
ArmAsm

// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t
// RUN: llvm-readobj -s %t | FileCheck --check-prefix=SECTIONS %s
// RUN: llvm-readobj -t %t | FileCheck --check-prefix=SYMBOLS %s
// Test that we create a .symtab_shndx if a symbol points to a section
// numbered SHN_LORESERVE (0xFF00) or higher.
// SECTIONS: Name: .symtab_shndx
// Test that we don't create a symbol for the symtab_shndx section.
// SYMBOLS-NOT: symtab_shndx
// Test that both a and b show up in the correct section.
// SYMBOLS: Name: a
// SYMBOLS-NEXT: Value: 0x0
// SYMBOLS-NEXT: Size: 0
// SYMBOLS-NEXT: Binding: Local (0x0)
// SYMBOLS-NEXT: Type: None (0x0)
// SYMBOLS-NEXT: Other: 0
// SYMBOLS-NEXT: Section: last (0xFF00)
// SYMBOLS-NEXT: }
// SYMBOLS-NEXT: Symbol {
// SYMBOLS-NEXT: Name: b
// SYMBOLS-NEXT: Value: 0x1
// SYMBOLS-NEXT: Size: 0
// SYMBOLS-NEXT: Binding: Local (0x0)
// SYMBOLS-NEXT: Type: None (0x0)
// SYMBOLS-NEXT: Other: 0
// SYMBOLS-NEXT: Section: last (0xFF00)
// SYMBOLS-NEXT: }
// Test that this file has one section too many.
// SYMBOLS: Name: last
// SYMBOLS-NEXT: Value: 0x0
// SYMBOLS-NEXT: Size: 0
// SYMBOLS-NEXT: Binding: Local (0x0)
// SYMBOLS-NEXT: Type: Section (0x3)
// SYMBOLS-NEXT: Other: 0
// SYMBOLS-NEXT: Section: last (0xFF00)
// SYMBOLS-NEXT: }
// SYMBOLS-NEXT:]
.macro gen_sections4 x
.section a\x
.section b\x
.section c\x
.section d\x
.endm
.macro gen_sections8 x
gen_sections4 a\x
gen_sections4 b\x
.endm
.macro gen_sections16 x
gen_sections8 a\x
gen_sections8 b\x
.endm
.macro gen_sections32 x
gen_sections16 a\x
gen_sections16 b\x
.endm
.macro gen_sections64 x
gen_sections32 a\x
gen_sections32 b\x
.endm
.macro gen_sections128 x
gen_sections64 a\x
gen_sections64 b\x
.endm
.macro gen_sections256 x
gen_sections128 a\x
gen_sections128 b\x
.endm
.macro gen_sections512 x
gen_sections256 a\x
gen_sections256 b\x
.endm
.macro gen_sections1024 x
gen_sections512 a\x
gen_sections512 b\x
.endm
.macro gen_sections2048 x
gen_sections1024 a\x
gen_sections1024 b\x
.endm
.macro gen_sections4096 x
gen_sections2048 a\x
gen_sections2048 b\x
.endm
.macro gen_sections8192 x
gen_sections4096 a\x
gen_sections4096 b\x
.endm
.macro gen_sections16384 x
gen_sections8192 a\x
gen_sections8192 b\x
.endm
.macro gen_sections32768 x
gen_sections16384 a\x
gen_sections16384 b\x
.endm
gen_sections32768 a
gen_sections16384 b
gen_sections8192 c
gen_sections4096 d
gen_sections2048 e
gen_sections1024 f
gen_sections512 g
gen_sections128 h
gen_sections64 i
gen_sections32 j
gen_sections16 k
gen_sections8 l
gen_sections4 m
.section last
a:
b = a + 1