/
target.cpp
963 lines (901 loc) · 27.9 KB
/
target.cpp
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/*
* Copyright (c) 2016 Andrew Kelley
*
* This file is part of zig, which is MIT licensed.
* See http://opensource.org/licenses/MIT
*/
#include "buffer.hpp"
#include "error.hpp"
#include "target.hpp"
#include "util.hpp"
#include <stdio.h>
static const ArchType arch_list[] = {
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v8_3a},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v8_2a},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v8_1a},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v8},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v8r},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v8m_baseline},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v8m_mainline},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v7},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v7em},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v7m},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v7s},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v7k},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v7ve},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v6},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v6m},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v6k},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v6t2},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v5},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v5te},
{ZigLLVM_arm, ZigLLVM_ARMSubArch_v4t},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v8_3a},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v8_2a},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v8_1a},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v8},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v8r},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v8m_baseline},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v8m_mainline},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v7},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v7em},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v7m},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v7s},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v7k},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v7ve},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v6},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v6m},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v6k},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v6t2},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v5},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v5te},
{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v4t},
{ZigLLVM_aarch64, ZigLLVM_NoSubArch},
{ZigLLVM_aarch64_be, ZigLLVM_NoSubArch},
{ZigLLVM_arc, ZigLLVM_NoSubArch},
{ZigLLVM_avr, ZigLLVM_NoSubArch},
{ZigLLVM_bpfel, ZigLLVM_NoSubArch},
{ZigLLVM_bpfeb, ZigLLVM_NoSubArch},
{ZigLLVM_hexagon, ZigLLVM_NoSubArch},
{ZigLLVM_mips, ZigLLVM_NoSubArch},
{ZigLLVM_mipsel, ZigLLVM_NoSubArch},
{ZigLLVM_mips64, ZigLLVM_NoSubArch},
{ZigLLVM_mips64el, ZigLLVM_NoSubArch},
{ZigLLVM_msp430, ZigLLVM_NoSubArch},
{ZigLLVM_nios2, ZigLLVM_NoSubArch},
{ZigLLVM_ppc, ZigLLVM_NoSubArch},
{ZigLLVM_ppc64, ZigLLVM_NoSubArch},
{ZigLLVM_ppc64le, ZigLLVM_NoSubArch},
{ZigLLVM_r600, ZigLLVM_NoSubArch},
{ZigLLVM_amdgcn, ZigLLVM_NoSubArch},
{ZigLLVM_riscv32, ZigLLVM_NoSubArch},
{ZigLLVM_riscv64, ZigLLVM_NoSubArch},
{ZigLLVM_sparc, ZigLLVM_NoSubArch},
{ZigLLVM_sparcv9, ZigLLVM_NoSubArch},
{ZigLLVM_sparcel, ZigLLVM_NoSubArch},
{ZigLLVM_systemz, ZigLLVM_NoSubArch},
{ZigLLVM_tce, ZigLLVM_NoSubArch},
{ZigLLVM_tcele, ZigLLVM_NoSubArch},
{ZigLLVM_thumb, ZigLLVM_NoSubArch},
{ZigLLVM_thumbeb, ZigLLVM_NoSubArch},
{ZigLLVM_x86, ZigLLVM_NoSubArch},
{ZigLLVM_x86_64, ZigLLVM_NoSubArch},
{ZigLLVM_xcore, ZigLLVM_NoSubArch},
{ZigLLVM_nvptx, ZigLLVM_NoSubArch},
{ZigLLVM_nvptx64, ZigLLVM_NoSubArch},
{ZigLLVM_le32, ZigLLVM_NoSubArch},
{ZigLLVM_le64, ZigLLVM_NoSubArch},
{ZigLLVM_amdil, ZigLLVM_NoSubArch},
{ZigLLVM_amdil64, ZigLLVM_NoSubArch},
{ZigLLVM_hsail, ZigLLVM_NoSubArch},
{ZigLLVM_hsail64, ZigLLVM_NoSubArch},
{ZigLLVM_spir, ZigLLVM_NoSubArch},
{ZigLLVM_spir64, ZigLLVM_NoSubArch},
{ZigLLVM_kalimba, ZigLLVM_KalimbaSubArch_v3},
{ZigLLVM_kalimba, ZigLLVM_KalimbaSubArch_v4},
{ZigLLVM_kalimba, ZigLLVM_KalimbaSubArch_v5},
{ZigLLVM_shave, ZigLLVM_NoSubArch},
{ZigLLVM_lanai, ZigLLVM_NoSubArch},
{ZigLLVM_wasm32, ZigLLVM_NoSubArch},
{ZigLLVM_wasm64, ZigLLVM_NoSubArch},
{ZigLLVM_renderscript32, ZigLLVM_NoSubArch},
{ZigLLVM_renderscript64, ZigLLVM_NoSubArch},
};
static const ZigLLVM_VendorType vendor_list[] = {
ZigLLVM_Apple,
ZigLLVM_PC,
ZigLLVM_SCEI,
ZigLLVM_BGP,
ZigLLVM_BGQ,
ZigLLVM_Freescale,
ZigLLVM_IBM,
ZigLLVM_ImaginationTechnologies,
ZigLLVM_MipsTechnologies,
ZigLLVM_NVIDIA,
ZigLLVM_CSR,
ZigLLVM_Myriad,
ZigLLVM_AMD,
ZigLLVM_Mesa,
ZigLLVM_SUSE,
};
static const Os os_list[] = {
OsFreestanding,
OsAnanas,
OsCloudABI,
OsDragonFly,
OsFreeBSD,
OsFuchsia,
OsIOS,
OsKFreeBSD,
OsLinux,
OsLv2, // PS3
OsMacOSX,
OsNetBSD,
OsOpenBSD,
OsSolaris,
OsWindows,
OsHaiku,
OsMinix,
OsRTEMS,
OsNaCl, // Native Client
OsCNK, // BG/P Compute-Node Kernel
OsBitrig,
OsAIX,
OsCUDA, // NVIDIA CUDA
OsNVCL, // NVIDIA OpenCL
OsAMDHSA, // AMD HSA Runtime
OsPS4,
OsELFIAMCU,
OsTvOS, // Apple tvOS
OsWatchOS, // Apple watchOS
OsMesa3D,
OsContiki,
OsZen,
};
static const ZigLLVM_EnvironmentType environ_list[] = {
ZigLLVM_UnknownEnvironment,
ZigLLVM_GNU,
ZigLLVM_GNUABIN32,
ZigLLVM_GNUABI64,
ZigLLVM_GNUEABI,
ZigLLVM_GNUEABIHF,
ZigLLVM_GNUX32,
ZigLLVM_CODE16,
ZigLLVM_EABI,
ZigLLVM_EABIHF,
ZigLLVM_Android,
ZigLLVM_Musl,
ZigLLVM_MuslEABI,
ZigLLVM_MuslEABIHF,
ZigLLVM_MSVC,
ZigLLVM_Itanium,
ZigLLVM_Cygnus,
ZigLLVM_AMDOpenCL,
ZigLLVM_CoreCLR,
ZigLLVM_OpenCL,
ZigLLVM_Simulator,
};
static const ZigLLVM_ObjectFormatType oformat_list[] = {
ZigLLVM_UnknownObjectFormat,
ZigLLVM_COFF,
ZigLLVM_ELF,
ZigLLVM_MachO,
ZigLLVM_Wasm,
};
size_t target_oformat_count(void) {
return array_length(oformat_list);
}
const ZigLLVM_ObjectFormatType get_target_oformat(size_t index) {
return oformat_list[index];
}
const char *get_target_oformat_name(ZigLLVM_ObjectFormatType oformat) {
switch (oformat) {
case ZigLLVM_UnknownObjectFormat: return "unknown";
case ZigLLVM_COFF: return "coff";
case ZigLLVM_ELF: return "elf";
case ZigLLVM_MachO: return "macho";
case ZigLLVM_Wasm: return "wasm";
}
zig_unreachable();
}
size_t target_arch_count(void) {
return array_length(arch_list);
}
const ArchType *get_target_arch(size_t index) {
return &arch_list[index];
}
size_t target_vendor_count(void) {
return array_length(vendor_list);
}
ZigLLVM_VendorType get_target_vendor(size_t index) {
return vendor_list[index];
}
size_t target_os_count(void) {
return array_length(os_list);
}
Os get_target_os(size_t index) {
return os_list[index];
}
static ZigLLVM_OSType get_llvm_os_type(Os os_type) {
switch (os_type) {
case OsFreestanding:
case OsZen:
return ZigLLVM_UnknownOS;
case OsAnanas:
return ZigLLVM_Ananas;
case OsCloudABI:
return ZigLLVM_CloudABI;
case OsDragonFly:
return ZigLLVM_DragonFly;
case OsFreeBSD:
return ZigLLVM_FreeBSD;
case OsFuchsia:
return ZigLLVM_Fuchsia;
case OsIOS:
return ZigLLVM_IOS;
case OsKFreeBSD:
return ZigLLVM_KFreeBSD;
case OsLinux:
return ZigLLVM_Linux;
case OsLv2:
return ZigLLVM_Lv2;
case OsMacOSX:
return ZigLLVM_MacOSX;
case OsNetBSD:
return ZigLLVM_NetBSD;
case OsOpenBSD:
return ZigLLVM_OpenBSD;
case OsSolaris:
return ZigLLVM_Solaris;
case OsWindows:
return ZigLLVM_Win32;
case OsHaiku:
return ZigLLVM_Haiku;
case OsMinix:
return ZigLLVM_Minix;
case OsRTEMS:
return ZigLLVM_RTEMS;
case OsNaCl:
return ZigLLVM_NaCl;
case OsCNK:
return ZigLLVM_CNK;
case OsBitrig:
return ZigLLVM_Bitrig;
case OsAIX:
return ZigLLVM_AIX;
case OsCUDA:
return ZigLLVM_CUDA;
case OsNVCL:
return ZigLLVM_NVCL;
case OsAMDHSA:
return ZigLLVM_AMDHSA;
case OsPS4:
return ZigLLVM_PS4;
case OsELFIAMCU:
return ZigLLVM_ELFIAMCU;
case OsTvOS:
return ZigLLVM_TvOS;
case OsWatchOS:
return ZigLLVM_WatchOS;
case OsMesa3D:
return ZigLLVM_Mesa3D;
case OsContiki:
return ZigLLVM_Contiki;
}
zig_unreachable();
}
static Os get_zig_os_type(ZigLLVM_OSType os_type) {
switch (os_type) {
case ZigLLVM_UnknownOS:
return OsFreestanding;
case ZigLLVM_Ananas:
return OsAnanas;
case ZigLLVM_CloudABI:
return OsCloudABI;
case ZigLLVM_DragonFly:
return OsDragonFly;
case ZigLLVM_FreeBSD:
return OsFreeBSD;
case ZigLLVM_Fuchsia:
return OsFuchsia;
case ZigLLVM_IOS:
return OsIOS;
case ZigLLVM_KFreeBSD:
return OsKFreeBSD;
case ZigLLVM_Linux:
return OsLinux;
case ZigLLVM_Lv2:
return OsLv2;
case ZigLLVM_Darwin:
case ZigLLVM_MacOSX:
return OsMacOSX;
case ZigLLVM_NetBSD:
return OsNetBSD;
case ZigLLVM_OpenBSD:
return OsOpenBSD;
case ZigLLVM_Solaris:
return OsSolaris;
case ZigLLVM_Win32:
return OsWindows;
case ZigLLVM_Haiku:
return OsHaiku;
case ZigLLVM_Minix:
return OsMinix;
case ZigLLVM_RTEMS:
return OsRTEMS;
case ZigLLVM_NaCl:
return OsNaCl;
case ZigLLVM_CNK:
return OsCNK;
case ZigLLVM_Bitrig:
return OsBitrig;
case ZigLLVM_AIX:
return OsAIX;
case ZigLLVM_CUDA:
return OsCUDA;
case ZigLLVM_NVCL:
return OsNVCL;
case ZigLLVM_AMDHSA:
return OsAMDHSA;
case ZigLLVM_PS4:
return OsPS4;
case ZigLLVM_ELFIAMCU:
return OsELFIAMCU;
case ZigLLVM_TvOS:
return OsTvOS;
case ZigLLVM_WatchOS:
return OsWatchOS;
case ZigLLVM_Mesa3D:
return OsMesa3D;
case ZigLLVM_Contiki:
return OsContiki;
}
zig_unreachable();
}
const char *get_target_os_name(Os os_type) {
switch (os_type) {
case OsFreestanding:
return "freestanding";
case OsZen:
return "zen";
case OsAnanas:
case OsCloudABI:
case OsDragonFly:
case OsFreeBSD:
case OsFuchsia:
case OsIOS:
case OsKFreeBSD:
case OsLinux:
case OsLv2: // PS3
case OsMacOSX:
case OsNetBSD:
case OsOpenBSD:
case OsSolaris:
case OsWindows:
case OsHaiku:
case OsMinix:
case OsRTEMS:
case OsNaCl: // Native Client
case OsCNK: // BG/P Compute-Node Kernel
case OsBitrig:
case OsAIX:
case OsCUDA: // NVIDIA CUDA
case OsNVCL: // NVIDIA OpenCL
case OsAMDHSA: // AMD HSA Runtime
case OsPS4:
case OsELFIAMCU:
case OsTvOS: // Apple tvOS
case OsWatchOS: // Apple watchOS
case OsMesa3D:
case OsContiki:
return ZigLLVMGetOSTypeName(get_llvm_os_type(os_type));
}
zig_unreachable();
}
size_t target_environ_count(void) {
return array_length(environ_list);
}
ZigLLVM_EnvironmentType get_target_environ(size_t index) {
return environ_list[index];
}
void get_native_target(ZigTarget *target) {
ZigLLVM_OSType os_type;
ZigLLVMGetNativeTarget(
&target->arch.arch,
&target->arch.sub_arch,
&target->vendor,
&os_type,
&target->env_type,
&target->oformat);
target->os = get_zig_os_type(os_type);
}
void get_unknown_target(ZigTarget *target) {
target->arch.arch = ZigLLVM_UnknownArch;
target->arch.sub_arch = ZigLLVM_NoSubArch;
target->vendor = ZigLLVM_UnknownVendor;
target->os = OsFreestanding;
target->env_type = ZigLLVM_UnknownEnvironment;
target->oformat = ZigLLVM_UnknownObjectFormat;
}
static void get_arch_name_raw(char *out_str, ZigLLVM_ArchType arch, ZigLLVM_SubArchType sub_arch) {
const char *sub_str = (sub_arch == ZigLLVM_NoSubArch) ? "" : ZigLLVMGetSubArchTypeName(sub_arch);
sprintf(out_str, "%s%s", ZigLLVMGetArchTypeName(arch), sub_str);
}
void get_arch_name(char *out_str, const ArchType *arch) {
return get_arch_name_raw(out_str, arch->arch, arch->sub_arch);
}
int parse_target_arch(const char *str, ArchType *out_arch) {
for (size_t i = 0; i < array_length(arch_list); i += 1) {
const ArchType *arch = &arch_list[i];
char arch_name[50];
get_arch_name_raw(arch_name, arch->arch, arch->sub_arch);
if (strcmp(arch_name, str) == 0) {
*out_arch = *arch;
return 0;
}
}
return ErrorFileNotFound;
}
int parse_target_os(const char *str, Os *out_os) {
for (size_t i = 0; i < array_length(os_list); i += 1) {
Os os = os_list[i];
const char *os_name = get_target_os_name(os);
if (strcmp(os_name, str) == 0) {
*out_os = os;
return 0;
}
}
return ErrorFileNotFound;
}
int parse_target_environ(const char *str, ZigLLVM_EnvironmentType *out_environ) {
for (size_t i = 0; i < array_length(environ_list); i += 1) {
ZigLLVM_EnvironmentType env_type = environ_list[i];
const char *environ_name = ZigLLVMGetEnvironmentTypeName(env_type);
if (strcmp(environ_name, str) == 0) {
*out_environ = env_type;
return 0;
}
}
return ErrorFileNotFound;
}
void init_all_targets(void) {
LLVMInitializeAllTargets();
LLVMInitializeAllTargetInfos();
LLVMInitializeAllTargetMCs();
LLVMInitializeAllAsmPrinters();
LLVMInitializeAllAsmParsers();
}
void get_target_triple(Buf *triple, const ZigTarget *target) {
char arch_name[50];
get_arch_name(arch_name, &target->arch);
buf_resize(triple, 0);
// LLVM WebAssembly output support requires the target to be activated at
// build type with -DCMAKE_LLVM_EXPIERMENTAL_TARGETS_TO_BUILD=WebAssembly.
//
// LLVM determines the output format based on the environment suffix,
// defaulting to an object based on the architecture. The default format in
// LLVM 6 sets the wasm arch output incorrectly to ELF. We need to
// explicitly set this ourself in order for it to work.
//
// This is fixed in LLVM 7 and you will be able to get wasm output by
// using the target triple `wasm32-unknown-unknown-unknown`.
if (!strncmp(arch_name, "wasm", 4)) {
buf_appendf(triple, "%s-%s-%s-wasm", arch_name,
ZigLLVMGetVendorTypeName(target->vendor),
ZigLLVMGetOSTypeName(get_llvm_os_type(target->os)));
} else {
buf_appendf(triple, "%s-%s-%s-%s", arch_name,
ZigLLVMGetVendorTypeName(target->vendor),
ZigLLVMGetOSTypeName(get_llvm_os_type(target->os)),
ZigLLVMGetEnvironmentTypeName(target->env_type));
}
}
static bool is_os_darwin(ZigTarget *target) {
switch (target->os) {
case OsMacOSX:
case OsIOS:
return true;
default:
return false;
}
}
void resolve_target_object_format(ZigTarget *target) {
if (target->oformat != ZigLLVM_UnknownObjectFormat) {
return;
}
switch (target->arch.arch) {
case ZigLLVM_UnknownArch:
case ZigLLVM_aarch64:
case ZigLLVM_arm:
case ZigLLVM_thumb:
case ZigLLVM_x86:
case ZigLLVM_x86_64:
if (is_os_darwin(target)) {
target->oformat = ZigLLVM_MachO;
} else if (target->os == OsWindows) {
target->oformat = ZigLLVM_COFF;
} else {
target->oformat = ZigLLVM_ELF;
}
return;
case ZigLLVM_aarch64_be:
case ZigLLVM_amdgcn:
case ZigLLVM_amdil:
case ZigLLVM_amdil64:
case ZigLLVM_armeb:
case ZigLLVM_arc:
case ZigLLVM_avr:
case ZigLLVM_bpfeb:
case ZigLLVM_bpfel:
case ZigLLVM_hexagon:
case ZigLLVM_lanai:
case ZigLLVM_hsail:
case ZigLLVM_hsail64:
case ZigLLVM_kalimba:
case ZigLLVM_le32:
case ZigLLVM_le64:
case ZigLLVM_mips:
case ZigLLVM_mips64:
case ZigLLVM_mips64el:
case ZigLLVM_mipsel:
case ZigLLVM_msp430:
case ZigLLVM_nios2:
case ZigLLVM_nvptx:
case ZigLLVM_nvptx64:
case ZigLLVM_ppc64le:
case ZigLLVM_r600:
case ZigLLVM_renderscript32:
case ZigLLVM_renderscript64:
case ZigLLVM_riscv32:
case ZigLLVM_riscv64:
case ZigLLVM_shave:
case ZigLLVM_sparc:
case ZigLLVM_sparcel:
case ZigLLVM_sparcv9:
case ZigLLVM_spir:
case ZigLLVM_spir64:
case ZigLLVM_systemz:
case ZigLLVM_tce:
case ZigLLVM_tcele:
case ZigLLVM_thumbeb:
case ZigLLVM_xcore:
target->oformat= ZigLLVM_ELF;
return;
case ZigLLVM_wasm32:
case ZigLLVM_wasm64:
target->oformat = ZigLLVM_Wasm;
return;
case ZigLLVM_ppc:
case ZigLLVM_ppc64:
if (is_os_darwin(target)) {
target->oformat = ZigLLVM_MachO;
} else {
target->oformat= ZigLLVM_ELF;
}
return;
}
}
// See lib/Support/Triple.cpp in LLVM for the source of this data.
// getArchPointerBitWidth
static int get_arch_pointer_bit_width(ZigLLVM_ArchType arch) {
switch (arch) {
case ZigLLVM_UnknownArch:
return 0;
case ZigLLVM_avr:
case ZigLLVM_msp430:
return 16;
case ZigLLVM_arc:
case ZigLLVM_arm:
case ZigLLVM_armeb:
case ZigLLVM_hexagon:
case ZigLLVM_le32:
case ZigLLVM_mips:
case ZigLLVM_mipsel:
case ZigLLVM_nios2:
case ZigLLVM_nvptx:
case ZigLLVM_ppc:
case ZigLLVM_r600:
case ZigLLVM_riscv32:
case ZigLLVM_sparc:
case ZigLLVM_sparcel:
case ZigLLVM_tce:
case ZigLLVM_tcele:
case ZigLLVM_thumb:
case ZigLLVM_thumbeb:
case ZigLLVM_x86:
case ZigLLVM_xcore:
case ZigLLVM_amdil:
case ZigLLVM_hsail:
case ZigLLVM_spir:
case ZigLLVM_kalimba:
case ZigLLVM_lanai:
case ZigLLVM_shave:
case ZigLLVM_wasm32:
case ZigLLVM_renderscript32:
return 32;
case ZigLLVM_aarch64:
case ZigLLVM_aarch64_be:
case ZigLLVM_amdgcn:
case ZigLLVM_bpfel:
case ZigLLVM_bpfeb:
case ZigLLVM_le64:
case ZigLLVM_mips64:
case ZigLLVM_mips64el:
case ZigLLVM_nvptx64:
case ZigLLVM_ppc64:
case ZigLLVM_ppc64le:
case ZigLLVM_riscv64:
case ZigLLVM_sparcv9:
case ZigLLVM_systemz:
case ZigLLVM_x86_64:
case ZigLLVM_amdil64:
case ZigLLVM_hsail64:
case ZigLLVM_spir64:
case ZigLLVM_wasm64:
case ZigLLVM_renderscript64:
return 64;
}
zig_unreachable();
}
uint32_t target_c_type_size_in_bits(const ZigTarget *target, CIntType id) {
switch (target->os) {
case OsFreestanding:
switch (id) {
case CIntTypeShort:
case CIntTypeUShort:
return 16;
case CIntTypeInt:
case CIntTypeUInt:
return 32;
case CIntTypeLong:
case CIntTypeULong:
return get_arch_pointer_bit_width(target->arch.arch);
case CIntTypeLongLong:
case CIntTypeULongLong:
return 64;
case CIntTypeCount:
zig_unreachable();
}
case OsLinux:
case OsMacOSX:
case OsZen:
case OsOpenBSD:
switch (id) {
case CIntTypeShort:
case CIntTypeUShort:
return 16;
case CIntTypeInt:
case CIntTypeUInt:
return 32;
case CIntTypeLong:
case CIntTypeULong:
return get_arch_pointer_bit_width(target->arch.arch);
case CIntTypeLongLong:
case CIntTypeULongLong:
return 64;
case CIntTypeCount:
zig_unreachable();
}
case OsWindows:
switch (id) {
case CIntTypeShort:
case CIntTypeUShort:
return 16;
case CIntTypeInt:
case CIntTypeUInt:
case CIntTypeLong:
case CIntTypeULong:
return 32;
case CIntTypeLongLong:
case CIntTypeULongLong:
return 64;
case CIntTypeCount:
zig_unreachable();
}
case OsAnanas:
case OsCloudABI:
case OsDragonFly:
case OsFreeBSD:
case OsIOS:
case OsKFreeBSD:
case OsLv2:
case OsNetBSD:
case OsSolaris:
case OsHaiku:
case OsMinix:
case OsRTEMS:
case OsNaCl:
case OsCNK:
case OsBitrig:
case OsAIX:
case OsCUDA:
case OsNVCL:
case OsAMDHSA:
case OsPS4:
case OsELFIAMCU:
case OsTvOS:
case OsWatchOS:
case OsMesa3D:
case OsFuchsia:
case OsContiki:
zig_panic("TODO c type size in bits for this target");
}
zig_unreachable();
}
const char *target_o_file_ext(ZigTarget *target) {
if (target->env_type == ZigLLVM_MSVC || target->os == OsWindows) {
return ".obj";
} else {
return ".o";
}
}
const char *target_asm_file_ext(ZigTarget *target) {
return ".s";
}
const char *target_llvm_ir_file_ext(ZigTarget *target) {
return ".ll";
}
const char *target_exe_file_ext(ZigTarget *target) {
if (target->os == OsWindows) {
return ".exe";
} else {
return "";
}
}
enum FloatAbi {
FloatAbiHard,
FloatAbiSoft,
FloatAbiSoftFp,
};
static FloatAbi get_float_abi(ZigTarget *target) {
const ZigLLVM_EnvironmentType env = target->env_type;
if (env == ZigLLVM_GNUEABIHF ||
env == ZigLLVM_EABIHF ||
env == ZigLLVM_MuslEABIHF)
{
return FloatAbiHard;
} else {
return FloatAbiSoft;
}
}
static bool is_64_bit(ZigLLVM_ArchType arch) {
return get_arch_pointer_bit_width(arch) == 64;
}
Buf *target_dynamic_linker(ZigTarget *target) {
const ZigLLVM_ArchType arch = target->arch.arch;
const ZigLLVM_EnvironmentType env = target->env_type;
if (env == ZigLLVM_Android) {
if (is_64_bit(arch)) {
return buf_create_from_str("/system/bin/linker64");
} else {
return buf_create_from_str("/system/bin/linker");
}
} else if (arch == ZigLLVM_x86 ||
arch == ZigLLVM_sparc ||
arch == ZigLLVM_sparcel)
{
return buf_create_from_str("/lib/ld-linux.so.2");
} else if (arch == ZigLLVM_aarch64) {
return buf_create_from_str("/lib/ld-linux-aarch64.so.1");
} else if (arch == ZigLLVM_aarch64_be) {
return buf_create_from_str("/lib/ld-linux-aarch64_be.so.1");
} else if (arch == ZigLLVM_arm || arch == ZigLLVM_thumb) {
if (get_float_abi(target) == 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 == ZigLLVM_armeb || arch == ZigLLVM_thumbeb) {
if (get_float_abi(target) == 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 == ZigLLVM_mips || arch == ZigLLVM_mipsel ||
arch == ZigLLVM_mips64 || arch == ZigLLVM_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 == ZigLLVM_ppc) {
return buf_create_from_str("/lib/ld.so.1");
} else if (arch == ZigLLVM_ppc64) {
return buf_create_from_str("/lib64/ld64.so.2");
} else if (arch == ZigLLVM_ppc64le) {
return buf_create_from_str("/lib64/ld64.so.2");
} else if (arch == ZigLLVM_systemz) {
return buf_create_from_str("/lib64/ld64.so.1");
} else if (arch == ZigLLVM_sparcv9) {
return buf_create_from_str("/lib64/ld-linux.so.2");
} else if (arch == ZigLLVM_x86_64 &&
env == ZigLLVM_GNUX32)
{
return buf_create_from_str("/libx32/ld-linux-x32.so.2");
} else if (arch == ZigLLVM_x86_64 &&
(env == ZigLLVM_Musl || env == ZigLLVM_MuslEABI || env == ZigLLVM_MuslEABIHF))
{
return buf_create_from_str("/lib/ld-musl-x86_64.so.1");
} else {
return buf_create_from_str("/lib64/ld-linux-x86-64.so.2");
}
}
bool target_can_exec(const ZigTarget *host_target, const ZigTarget *guest_target) {
assert(host_target != nullptr);
if (guest_target == nullptr) {
// null guest target means that the guest target is native
return true;
}
if (guest_target->os == host_target->os && guest_target->arch.arch == host_target->arch.arch &&
guest_target->arch.sub_arch == host_target->arch.sub_arch)
{
// OS, arch, and sub-arch match
return true;
}
if (guest_target->os == OsWindows && host_target->os == OsWindows &&
host_target->arch.arch == ZigLLVM_x86_64 && guest_target->arch.arch == ZigLLVM_x86)
{
// 64-bit windows can run 32-bit programs
return true;
}
return false;
}
const char *arch_stack_pointer_register_name(const ArchType *arch) {
switch (arch->arch) {
case ZigLLVM_UnknownArch:
zig_unreachable();
case ZigLLVM_x86:
return "sp";
case ZigLLVM_x86_64:
return "rsp";
case ZigLLVM_aarch64:
case ZigLLVM_arm:
case ZigLLVM_thumb:
case ZigLLVM_aarch64_be:
case ZigLLVM_amdgcn:
case ZigLLVM_amdil:
case ZigLLVM_amdil64:
case ZigLLVM_armeb:
case ZigLLVM_arc:
case ZigLLVM_avr:
case ZigLLVM_bpfeb:
case ZigLLVM_bpfel:
case ZigLLVM_hexagon:
case ZigLLVM_lanai:
case ZigLLVM_hsail:
case ZigLLVM_hsail64:
case ZigLLVM_kalimba:
case ZigLLVM_le32:
case ZigLLVM_le64:
case ZigLLVM_mips:
case ZigLLVM_mips64:
case ZigLLVM_mips64el:
case ZigLLVM_mipsel:
case ZigLLVM_msp430:
case ZigLLVM_nios2:
case ZigLLVM_nvptx:
case ZigLLVM_nvptx64:
case ZigLLVM_ppc64le:
case ZigLLVM_r600:
case ZigLLVM_renderscript32:
case ZigLLVM_renderscript64:
case ZigLLVM_riscv32:
case ZigLLVM_riscv64:
case ZigLLVM_shave:
case ZigLLVM_sparc:
case ZigLLVM_sparcel:
case ZigLLVM_sparcv9:
case ZigLLVM_spir:
case ZigLLVM_spir64:
case ZigLLVM_systemz:
case ZigLLVM_tce:
case ZigLLVM_tcele:
case ZigLLVM_thumbeb:
case ZigLLVM_wasm32:
case ZigLLVM_wasm64:
case ZigLLVM_xcore:
case ZigLLVM_ppc:
case ZigLLVM_ppc64:
zig_panic("TODO populate this table with stack pointer register name for this CPU architecture");
}
zig_unreachable();
}