relocatable-many-sections.s
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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t.o
# RUN: ld.lld -r %t.o -o %t
## Check we are able to link against relocatable file produced.
# RUN: ld.lld %t -o %t.out
## Check we emit a valid ELF header when
## sections amount is greater than SHN_LORESERVE.
# RUN: llvm-readobj --file-headers %t | FileCheck %s --check-prefix=HDR
# HDR: ElfHeader {
# HDR: SectionHeaderCount: 0 (65544)
# HDR-NEXT: StringTableSectionIndex: 65535 (65542)
## Check that:
## 1) 65541 is the index of .shstrtab section.
## 2) .symtab_shndx is linked with .symtab.
## 3) .symtab_shndx entry size and alignment == 4.
## 4) .symtab_shndx has size equal to
## (sizeof(.symtab) / entsize(.symtab)) * entsize(.symtab_shndx) = 0x4 * 0x180078 / 0x18 == 0x040014
# RUN: llvm-readelf -sections -symbols %t | FileCheck %s
# [Nr] Name Type Address Off Size ES Flg Lk Inf Al
# CHECK: [65539] .note.GNU-stack PROGBITS 0000000000000000 000040 000000 00 0 0 1
# CHECK: [65540] .symtab SYMTAB 0000000000000000 000040 180078 18 65543 65539 8
# CHECK: [65541] .symtab_shndx SYMTAB SECTION INDICES 0000000000000000 1800b8 040014 04 65540 0 4
# CHECK: [65542] .shstrtab STRTAB 0000000000000000 1c00cc 0f0044 00 0 0 1
# CHECK: [65543] .strtab STRTAB 0000000000000000 2b0110 00000c 00 0 0 1
# 5) Check we are able to represent symbol foo with section (.bar) index > 0xFF00 (SHN_LORESERVE).
# CHECK: GLOBAL DEFAULT 65538 foo
.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
gen_sections16384 a
gen_sections16384 b
gen_sections16384 c
gen_sections16384 d
.section .bar
.global foo
foo:
.section .text, "ax"
.global _start
_start: