forked from OSchip/llvm-project
163 lines
3.4 KiB
ArmAsm
163 lines
3.4 KiB
ArmAsm
// REQUIRES: x86
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// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t.o
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// RUN: echo "SECTIONS { . = SIZEOF_HEADERS; .text : { *(.text) } }" > %t.script
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// RUN: ld.lld -T %t.script %t.o -o %t
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// RUN: llvm-readobj --symbols %t | FileCheck %s
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// Test that _start is in the correct section.
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// CHECK: Name: _start
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// CHECK-NEXT: Value:
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: dn
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// Show that --gc-sections works when there are many sections, and that
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// referenced common and absolute symbols in such cases are not removed, nor are
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// they incorrectly attributed to the sections with index 0xFFF1 or 0xFFF2.
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// RUN: ld.lld %t.o -T %t.script -o %t --gc-sections
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// RUN: llvm-readobj --symbols --sections %t | FileCheck %s --check-prefix=GC
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// GC: Sections [
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// GC-NEXT: Section {
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// GC-NEXT: Index: 0
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// GC-NEXT: Name: (0)
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// GC: Section {
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// GC-NEXT: Index: 1
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// GC-NEXT: Name: dn
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// GC: Section {
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// GC-NEXT: Index: 2
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// GC-NEXT: Name: .bss
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// GC: Section {
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// GC-NEXT: Index: 3
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// GC-NEXT: Name: .comment
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// GC: Section {
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// GC-NEXT: Index: 4
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// GC-NEXT: Name: .symtab
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// GC: Section {
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// GC-NEXT: Index: 5
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// GC-NEXT: Name: .shstrtab
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// GC: Section {
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// GC-NEXT: Index: 6
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// GC-NEXT: Name: .strtab
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// GC-NOT: Section {
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// GC: Symbols [
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// GC-NEXT: Symbol {
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// GC-NEXT: Name: (0)
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// GC: Symbol {
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// GC-NEXT: Name: sdn
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// GC: Symbol {
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// GC-NEXT: Name: _start
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// GC: Symbol {
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// GC-NEXT: Name: abs
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// GC: Symbol {
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// GC-NEXT: Name: common
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// GC-NOT: Symbol {
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.macro gen_sections4 x
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.section a\x,"a"
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.global sa\x
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sa\x:
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.section b\x,"a"
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.global sa\x
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sb\x:
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.section c\x,"a"
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.global sa\x
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sc\x:
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.section d\x,"a"
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.global sa\x
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sd\x:
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.endm
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.macro gen_sections8 x
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gen_sections4 a\x
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gen_sections4 b\x
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.endm
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.macro gen_sections16 x
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gen_sections8 a\x
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gen_sections8 b\x
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.endm
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.macro gen_sections32 x
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gen_sections16 a\x
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gen_sections16 b\x
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.endm
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.macro gen_sections64 x
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gen_sections32 a\x
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gen_sections32 b\x
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.endm
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.macro gen_sections128 x
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gen_sections64 a\x
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gen_sections64 b\x
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.endm
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.macro gen_sections256 x
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gen_sections128 a\x
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gen_sections128 b\x
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.endm
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.macro gen_sections512 x
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gen_sections256 a\x
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gen_sections256 b\x
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.endm
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.macro gen_sections1024 x
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gen_sections512 a\x
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gen_sections512 b\x
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.endm
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.macro gen_sections2048 x
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gen_sections1024 a\x
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gen_sections1024 b\x
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.endm
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.macro gen_sections4096 x
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gen_sections2048 a\x
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gen_sections2048 b\x
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.endm
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.macro gen_sections8192 x
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gen_sections4096 a\x
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gen_sections4096 b\x
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.endm
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.macro gen_sections16384 x
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gen_sections8192 a\x
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gen_sections8192 b\x
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.endm
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.macro gen_sections32768 x
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gen_sections16384 a\x
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gen_sections16384 b\x
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.endm
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gen_sections32768 a
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gen_sections16384 b
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gen_sections8192 c
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gen_sections4096 d
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gen_sections2048 e
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gen_sections1024 f
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gen_sections512 g
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gen_sections256 h
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gen_sections128 i
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gen_sections64 j
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gen_sections32 k
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gen_sections16 l
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gen_sections8 m
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gen_sections4 n
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.global abs
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abs = 0x12345678
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.comm common,4,4
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.global _start
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_start:
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.quad abs
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.quad common
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