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[ELF][test] Improve linkerscript/entry.s

This commit is contained in:
Fangrui Song 2022-06-25 12:14:47 -07:00
parent b61235739f
commit c5578fca16
1 changed files with 12 additions and 15 deletions
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27
lld/test/ELF/linkerscript/entry.s
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@ -1,19 +1,17 @@
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
# RUN: echo "ENTRY(_label)" > %t.script
# RUN: ld.lld -o %t2 %t.script %t
# RUN: llvm-readobj %t2 > /dev/null
# RUN: ld.lld %t.script %t.o -o %t
# RUN: llvm-readelf -hs %t | FileCheck %s
# The entry symbol should not cause an undefined error.
# RUN: echo "ENTRY(_wrong_label)" > %t.script
# RUN: ld.lld -o %t2 %t.script %t
# RUN: ld.lld --entry=abc -o %t2 %t
# CHECK: Entry point address: 0x[[#%x,ENTRY:]]
# CHECK: [[#]]: {{0*}}[[#ENTRY]] 0 NOTYPE GLOBAL DEFAULT [[#]] _label
# -e has precedence over linker script's ENTRY.
## -e overrides the ENTRY command.
# RUN: echo "ENTRY(_label)" > %t.script
# RUN: ld.lld -e _start -o %t2 %t.script %t
# RUN: ld.lld -e _start -o %t2 %t.script %t.o
# RUN: llvm-readobj --file-headers --symbols %t2 | \
# RUN: FileCheck -check-prefix=OVERLOAD %s
@ -21,17 +19,16 @@
# OVERLOAD: Name: _start
# OVERLOAD-NEXT: Value: [[ENTRY]]
# The entry symbol can be a linker-script-defined symbol.
## The entry symbol can be a linker-script-defined symbol.
# RUN: echo "ENTRY(foo); foo = 1;" > %t.script
# RUN: ld.lld -o %t2 %t.script %t
# RUN: llvm-readobj --file-headers --symbols %t2 | \
# RUN: FileCheck -check-prefix=SCRIPT %s
# RUN: ld.lld -o %t %t.script %t.o
# RUN: llvm-readobj --file-headers --symbols %t | FileCheck --check-prefix=SCRIPT %s
# SCRIPT: Entry: 0x1
## An undefined entry symbol causes a warning.
# RUN: echo "ENTRY(no_such_symbol);" > %t.script
# RUN: ld.lld -o %t2 %t.script %t 2>&1 | \
# RUN: FileCheck -check-prefix=MISSING %s
# RUN: ld.lld %t.script %t.o -o /dev/null 2>&1 | FileCheck --check-prefix=MISSING %s
# MISSING: warning: cannot find entry symbol no_such_symbol