mirror of
https://github.com/rui314/mold.git
synced 2024-11-15 14:36:25 +03:00
fe26dad744
You can now build mold with the following commands: $ mkdir -p out/debug $ cd out/debug $ cmake -GNinja -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Debug ../.. $ ninja To run tests, use the following commands: $ cd out/debug $ ctest -j$(nproc)
102 lines
2.2 KiB
Bash
Executable File
102 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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set -e
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mold=$1
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cd $(dirname $0)
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echo -n "Testing $(basename -s .sh $0) ... "
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t=$(pwd)/tmp/$(basename -s .sh $0)
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mkdir -p $t
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cat <<EOF | clang -c -o $t/a.o -x assembler -
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.section foo,"a",@progbits
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.ascii "section foo"
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EOF
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# Test synthetic symbols
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cat <<EOF | clang -c -o $t/b.o -xc -
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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extern char __ehdr_start[];
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extern char __executable_start[];
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extern char _end[];
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extern char end[];
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extern char _etext[];
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extern char etext[];
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extern char _edata[];
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extern char edata[];
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extern char __start_foo[];
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extern char __stop_foo[];
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int main() {
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assert(_end);
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assert(_end == end);
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assert(_etext);
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assert(_etext == etext);
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assert(_edata);
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assert(_edata == edata);
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printf("__ehdr_start=%p\n", &__ehdr_start);
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printf("__executable_start=%p\n", &__executable_start);
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printf("%.*s\n", (int)(__stop_foo - __start_foo), __start_foo);
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}
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EOF
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clang -fuse-ld=$mold -no-pie -Wl,--image-base=0x40000 \
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-o $t/exe $t/a.o $t/b.o
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$t/exe > $t/log
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grep -q '^__ehdr_start=0x40000$' $t/log
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grep -q '^__executable_start=0x40000$' $t/log
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grep -q '^section foo$' $t/log
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# Make sure that synthetic symbols overwrite existing ones
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cat <<EOF | clang -c -o $t/c.o -xc -
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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char __ehdr_start[] = "foo";
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char __executable_start[] = "foo";
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char _end[] = "foo";
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char end[] = "foo";
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char _etext[] = "foo";
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char etext[] = "foo";
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char _edata[] = "foo";
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char edata[] = "foo";
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char __start_foo[] = "foo";
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char __stop_foo[] = "foo";
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int main() {
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assert(_end);
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assert(_end != end);
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assert(_etext);
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assert(_etext != etext);
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assert(_edata);
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assert(_edata != edata);
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printf("end=%s\n", end);
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printf("etext=%s\n", etext);
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printf("edata=%s\n", edata);
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printf("__ehdr_start=%p\n", &__ehdr_start);
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printf("__executable_start=%p\n", &__executable_start);
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printf("%.*s\n", (int)(__stop_foo - __start_foo), __start_foo);
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}
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EOF
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clang -fuse-ld=$mold -no-pie -Wl,--image-base=0x40000 \
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-o $t/exe $t/a.o $t/c.o
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$t/exe > $t/log
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grep -q '^end=foo$' $t/log
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grep -q '^etext=foo$' $t/log
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grep -q '^edata=foo$' $t/log
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grep -q '^__ehdr_start=0x40000$' $t/log
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grep -q '^__executable_start=0x40000$' $t/log
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grep -q '^section foo$' $t/log
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echo OK
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