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// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t.o
// RUN: echo "SECTIONS { . = SIZEOF_HEADERS; .text : { *(.text) } }" > %t.script
// RUN: ld.lld -T %t.script %t.o -o %t
// RUN: llvm-readobj --symbols %t | FileCheck %s
// Test that _start is in the correct section.
// CHECK: Name: _start
// CHECK-NEXT: Value:
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Global
// CHECK-NEXT: Type: None
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: dn
// Show that --gc-sections works when there are many sections, and that
// referenced common and absolute symbols in such cases are not removed, nor are
// they incorrectly attributed to the sections with index 0xFFF1 or 0xFFF2.
// RUN: ld.lld %t.o -T %t.script -o %t --gc-sections
// RUN: llvm-readobj --symbols --sections %t | FileCheck %s --check-prefix=GC
// GC: Sections [
// GC-NEXT: Section {
// GC-NEXT: Index: 0
// GC-NEXT: Name: (0)
// GC: Section {
// GC-NEXT: Index: 1
// GC-NEXT: Name: dn
// GC: Section {
// GC-NEXT: Index: 2
// GC-NEXT: Name: .bss
// GC: Section {
// GC-NEXT: Index: 3
// GC-NEXT: Name: .comment
// GC: Section {
// GC-NEXT: Index: 4
// GC-NEXT: Name: .symtab
// GC: Section {
// GC-NEXT: Index: 5
// GC-NEXT: Name: .shstrtab
// GC: Section {
// GC-NEXT: Index: 6
// GC-NEXT: Name: .strtab
// GC-NOT: Section {
// GC: Symbols [
// GC-NEXT: Symbol {
// GC-NEXT: Name: (0)
// GC: Symbol {
// GC-NEXT: Name: sdn
// GC: Symbol {
// GC-NEXT: Name: _start
// GC: Symbol {
// GC-NEXT: Name: abs
// GC: Symbol {
// GC-NEXT: Name: common
// GC-NOT: Symbol {
.macro gen_sections4 x
.section a\x,"a"
.global sa\x
sa\x:
.section b\x,"a"
.global sa\x
sb\x:
.section c\x,"a"
.global sa\x
sc\x:
.section d\x,"a"
.global sa\x
sd\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_sections256 h
gen_sections128 i
gen_sections64 j
gen_sections32 k
gen_sections16 l
gen_sections8 m
gen_sections4 n
.global abs
abs = 0x12345678
.comm common,4,4
.global _start
_start:
.quad abs
.quad common
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