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TheRock/compiler/amd-llvm/lld/test/MachO/export-trie.s
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

62 lines
1.9 KiB
ArmAsm

# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
## We are intentionally building an executable here instead of a dylib / bundle
## in order that the `__PAGEZERO` segment is present, which in turn means that
## the image base starts at a non-zero address. This allows us to verify that
## addresses in the export trie are correctly encoded as relative to the image
## base.
# RUN: %lld %t.o -o %t
# RUN: llvm-objdump --syms --exports-trie %t | FileCheck %s --check-prefix=EXPORTS
# EXPORTS-LABEL: SYMBOL TABLE:
# EXPORTS-DAG: [[#%x, MAIN_ADDR:]] {{.*}} _main
# EXPORTS-DAG: [[#%x, HELLO_ADDR:]] {{.*}} _hello
# EXPORTS-DAG: [[#%x, HELLO_WORLD_ADDR:]] {{.*}} _hello_world
# EXPORTS-DAG: [[#%x, HELLO_ITS_ME_ADDR:]] {{.*}} _hello_its_me
# EXPORTS-DAG: [[#%x, HELLO_ITS_YOU_ADDR:]] {{.*}} _hello_its_you
# EXPORTS-DAG: [[#%x, HEADER_ADDR:]] g F __TEXT,__text __mh_execute_header
# EXPORTS-LABEL: Exports trie:
# EXPORTS-DAG: 0x{{0*}}[[#%X, HEADER_ADDR]] __mh_execute_header
# EXPORTS-DAG: 0x{{0*}}[[#%X, MAIN_ADDR]] _main
# EXPORTS-DAG: 0x{{0*}}[[#%X, HELLO_ADDR]] _hello
# EXPORTS-DAG: 0x{{0*}}[[#%X, HELLO_WORLD_ADDR]] _hello_world
# EXPORTS-DAG: 0x{{0*}}[[#%x, HELLO_ITS_ME_ADDR:]] _hello_its_me
# EXPORTS-DAG: 0x{{0*}}[[#%x, HELLO_ITS_YOU_ADDR:]] _hello_its_you
## Check that we are sharing prefixes in the trie.
# RUN: obj2yaml %t | FileCheck %s
# CHECK-LABEL: ExportTrie:
# CHECK: Name: ''
# CHECK: Name: _
# CHECK-DAG: Name: _mh_execute_header
# CHECK-DAG: Name: main
# CHECK-DAG: Name: hello
# CHECK: Name: _
# CHECK: Name: world
# CHECK: Name: its_
# CHECK-DAG: Name: you
# CHECK-DAG: Name: me
.section __TEXT,__cstring
.globl _hello, _hello_world, _hello_its_me, _hello_its_you, _main
## Test for when an entire symbol name is a prefix of another.
_hello:
.asciz "Hello!\n"
_hello_world:
.asciz "Hello world!\n"
.data
_hello_its_me:
.asciz "Hello, it's me\n"
_hello_its_you:
.asciz "Hello, it's you\n"
_main:
ret