derek.holloway
7502bf64a4
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41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
// REQUIRES: system-linux
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/*
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* Check that llvm-bolt uses reserved space in a binary for allocating
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* new sections.
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*/
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// RUN: %clangxx %s -o %t.exe -Wl,-q
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// RUN: llvm-bolt %t.exe -o %t.bolt.exe 2>&1 | FileCheck %s
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// RUN: %t.bolt.exe
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// CHECK: BOLT-INFO: using reserved space
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/*
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* Check that llvm-bolt detects a condition when the reserved space is
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* not enough for allocating new sections.
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*/
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// RUN: %clangxx %s -o %t.tiny.exe -Wl,--no-eh-frame-hdr -Wl,-q -DTINY
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// RUN: not llvm-bolt %t.tiny.exe -o %t.tiny.bolt.exe 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-TINY
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// CHECK-TINY: BOLT-ERROR: reserved space (1 byte) is smaller than required
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#ifdef TINY
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#define RSIZE "1"
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#else
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#define RSIZE "8192 * 1024"
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#endif
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__asm(".pushsection .text \n\
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.globl __bolt_reserved_start \n\
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.type __bolt_reserved_start, @object \n\
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__bolt_reserved_start: \n\
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.space " RSIZE " \n\
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.globl __bolt_reserved_end \n\
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__bolt_reserved_end: \n\
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.popsection");
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int main() { return 0; }
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