motiejus/zig
1
Fork 0
Code Releases Activity

fix crash when using zig to link

Browse Source 
without explicit dynamic linker
This commit is contained in:
Andrew Kelley
2017-04-13 01:15:25 -04:00
parent 41144a8566
commit bf67427c67
5 changed files with 81 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
src/zig_llvm.cpp
View File

@@ -768,89 +768,8 @@ LLVMValueRef ZigLLVMBuildNUWShl(LLVMBuilderRef builder, LLVMValueRef LHS, LLVMVa
return wrap(unwrap(builder)->CreateShl(unwrap(LHS), unwrap(RHS), name, false, true));
}
//------------------------------------
#include "buffer.hpp"
enum FloatAbi {
FloatAbiHard,
FloatAbiSoft,
FloatAbiSoftFp,
};
static FloatAbi get_float_abi(const Triple &triple) {
if (triple.getEnvironment() == Triple::GNUEABIHF ||
triple.getEnvironment() == Triple::EABIHF ||
triple.getEnvironment() == Triple::MuslEABIHF)
{
return FloatAbiHard;
} else {
zig_panic("TODO: user needs to input if they want hard or soft floating point");
}
}
Buf *get_dynamic_linker(LLVMTargetMachineRef target_machine_ref) {
TargetMachine *target_machine = reinterpret_cast<TargetMachine*>(target_machine_ref);
const Triple &triple = target_machine->getTargetTriple();
const Triple::ArchType arch = triple.getArch();
if (triple.getEnvironment() == Triple::Android) {
if (triple.isArch64Bit()) {
return buf_create_from_str("/system/bin/linker64");
} else {
return buf_create_from_str("/system/bin/linker");
}
} else if (arch == Triple::x86 ||
arch == Triple::sparc ||
arch == Triple::sparcel)
{
return buf_create_from_str("/lib/ld-linux.so.2");
} else if (arch == Triple::aarch64) {
return buf_create_from_str("/lib/ld-linux-aarch64.so.1");
} else if (arch == Triple::aarch64_be) {
return buf_create_from_str("/lib/ld-linux-aarch64_be.so.1");
} else if (arch == Triple::arm || arch == Triple::thumb) {
if (triple.getEnvironment() == Triple::GNUEABIHF ||
get_float_abi(triple) == FloatAbiHard)
{
return buf_create_from_str("/lib/ld-linux-armhf.so.3");
} else {
return buf_create_from_str("/lib/ld-linux.so.3");
}
} else if (arch == Triple::armeb || arch == Triple::thumbeb) {
if (triple.getEnvironment() == Triple::GNUEABIHF ||
get_float_abi(triple) == FloatAbiHard)
{
return buf_create_from_str("/lib/ld-linux-armhf.so.3");
} else {
return buf_create_from_str("/lib/ld-linux.so.3");
}
} else if (arch == Triple::mips || arch == Triple::mipsel ||
arch == Triple::mips64 || arch == Triple::mips64el)
{
// when you want to solve this TODO, grep clang codebase for
// getLinuxDynamicLinker
zig_panic("TODO figure out MIPS dynamic linker name");
} else if (arch == Triple::ppc) {
return buf_create_from_str("/lib/ld.so.1");
} else if (arch == Triple::ppc64) {
return buf_create_from_str("/lib64/ld64.so.2");
} else if (arch == Triple::ppc64le) {
return buf_create_from_str("/lib64/ld64.so.2");
} else if (arch == Triple::systemz) {
return buf_create_from_str("/lib64/ld64.so.1");
} else if (arch == Triple::sparcv9) {
return buf_create_from_str("/lib64/ld-linux.so.2");
} else if (arch == Triple::x86_64 &&
triple.getEnvironment() == Triple::GNUX32)
{
return buf_create_from_str("/libx32/ld-linux-x32.so.2");
} else {
return buf_create_from_str("/lib64/ld-linux-x86-64.so.2");
}
}
bool ZigLLDLink(ZigLLVM_ObjectFormatType oformat, const char **args, size_t arg_count, Buf *diag_buf) {
ArrayRef<const char *> array_ref_args(args, arg_count);