derek.holloway
7502bf64a4
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67 lines
2.6 KiB
LLVM
67 lines
2.6 KiB
LLVM
# REQUIRES: x86
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## --wrap=xxx should trigger archive extraction for symbol xxx for references to __real_xxx.
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-as _start.ll -o _start.o
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# RUN: llvm-as _start_ref__real_foo.ll -o _start_ref__real_foo.o
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# RUN: llvm-as wrap.ll -o wrap.o
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# RUN: llvm-as foo.ll -o foo.o
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## Test when the reference to __real_foo is not in __wrap_foo.
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# RUN: ld.lld _start_ref__real_foo.o --start-lib foo.o --end-lib --wrap foo -o %t_real.elf
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# RUN: llvm-readelf --symbols %t_real.elf | FileCheck %s --check-prefix=REAL
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# REAL: Symbol table '.symtab' contains 5 entries:
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# REAL-NEXT: Value Size Type Bind Vis Ndx Name
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# REAL-NEXT: {{.*}} {{.*}} NOTYPE LOCAL DEFAULT UND
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# REAL-NEXT: {{.*}} {{.*}} FILE LOCAL DEFAULT ABS ld-temp.o
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# REAL-NEXT: {{.*}} {{.*}} FUNC GLOBAL DEFAULT [[#]] _start
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# REAL-NEXT: {{.*}} {{.*}} FUNC WEAK DEFAULT [[#]] foo
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# REAL-NEXT: {{.*}} {{.*}} NOTYPE GLOBAL DEFAULT UND __wrap_foo
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## Test when the reference to __real_foo is in __wrap_foo.
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# RUN: ld.lld _start.o --start-lib wrap.o --end-lib --start-lib foo.o --end-lib --wrap foo -o %t_wrap_real.elf
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# RUN: llvm-readelf --symbols %t_wrap_real.elf | FileCheck %s --check-prefix=WRAP_REAL
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# WRAP_REAL: Symbol table '.symtab' contains 5 entries:
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# WRAP_REAL-NEXT: Value Size Type Bind Vis Ndx Name
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# WRAP_REAL-NEXT: {{.*}} {{.*}} NOTYPE LOCAL DEFAULT UND
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# WRAP_REAL-NEXT: {{.*}} {{.*}} FILE LOCAL DEFAULT ABS ld-temp.o
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# WRAP_REAL-NEXT: {{.*}} {{.*}} FUNC GLOBAL DEFAULT [[#]] _start
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# WRAP_REAL-NEXT: {{.*}} {{.*}} FUNC GLOBAL DEFAULT [[#]] __wrap_foo
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# WRAP_REAL-NEXT: {{.*}} {{.*}} FUNC WEAK DEFAULT [[#]] foo
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#--- _start.ll
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-elf"
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define void @_start() {
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ret void
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}
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#--- _start_ref__real_foo.ll
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-elf"
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define void @_start() {
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call void @__real_foo()
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ret void
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}
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declare void @__real_foo()
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#--- wrap.ll
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-elf"
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define void @__wrap_foo() {
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call void @__real_foo()
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ret void
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}
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declare void @__real_foo()
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#--- foo.ll
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-elf"
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define void @foo() {
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ret void
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}
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