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c integer size takes into account architecture and OS

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This commit is contained in:
Andrew Kelley
2016-02-12 12:07:11 -07:00
parent 7828456b30
commit 4e3f6de027
4 changed files with 120 additions and 35 deletions
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105
src/target.cpp
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@@ -292,3 +292,108 @@ void resolve_target_object_format(ZigTarget *target) {
}
target->oformat = ZigLLVM_ELF;
}
static int get_arch_pointer_bit_width(ZigLLVM_ArchType arch) {
switch (arch) {
case ZigLLVM_UnknownArch:
return 0;
case ZigLLVM_msp430:
return 16;
case ZigLLVM_arm:
case ZigLLVM_armeb:
case ZigLLVM_hexagon:
case ZigLLVM_le32:
case ZigLLVM_mips:
case ZigLLVM_mipsel:
case ZigLLVM_nvptx:
case ZigLLVM_ppc:
case ZigLLVM_r600:
case ZigLLVM_sparc:
case ZigLLVM_sparcel:
case ZigLLVM_tce:
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_shave:
case ZigLLVM_wasm32:
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_sparcv9:
case ZigLLVM_systemz:
case ZigLLVM_x86_64:
case ZigLLVM_amdil64:
case ZigLLVM_hsail64:
case ZigLLVM_spir64:
case ZigLLVM_wasm64:
return 64;
}
zig_unreachable();
}
int get_c_type_size_in_bits(const ZigTarget *target, CIntType id) {
switch (target->os) {
case ZigLLVM_UnknownOS:
zig_unreachable();
case ZigLLVM_Linux:
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 ZigLLVM_CloudABI:
case ZigLLVM_Darwin:
case ZigLLVM_DragonFly:
case ZigLLVM_FreeBSD:
case ZigLLVM_IOS:
case ZigLLVM_KFreeBSD:
case ZigLLVM_Lv2:
case ZigLLVM_MacOSX:
case ZigLLVM_NetBSD:
case ZigLLVM_OpenBSD:
case ZigLLVM_Solaris:
case ZigLLVM_Win32:
case ZigLLVM_Haiku:
case ZigLLVM_Minix:
case ZigLLVM_RTEMS:
case ZigLLVM_NaCl:
case ZigLLVM_CNK:
case ZigLLVM_Bitrig:
case ZigLLVM_AIX:
case ZigLLVM_CUDA:
case ZigLLVM_NVCL:
case ZigLLVM_AMDHSA:
case ZigLLVM_PS4:
zig_panic("TODO c type size in bits for this target");
}
zig_unreachable();
}