diff options
| -rw-r--r-- | libc/cbb-musl-elf.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/libc/cbb-musl-elf.h b/libc/cbb-musl-elf.h new file mode 100644 index 000000000..6c345bb99 --- /dev/null +++ b/libc/cbb-musl-elf.h @@ -0,0 +1,114 @@ +/*************************************************************************/ +/* compiler building blocks: definitions for all musl-libc ELF targets */ +/*************************************************************************/ + +#ifndef __ASSEMBLER__ + +#include "cbb-common.h" + +#ifdef __cplusplus +extern "C" { +#endif + + +/* features */ +#undef TARGET_C99_FUNCTIONS +#define TARGET_C99_FUNCTIONS (1) + +#undef TARGET_HAS_SINCOS +#define TARGET_HAS_SINCOS (0) + +#undef TARGET_POSIX_IO +#define TARGET_POSIX_IO (1) + + +/* preferences */ +#undef NO_IMPLICIT_EXTERN_C +#define NO_IMPLICIT_EXTERN_C (1) + +#undef GTHREAD_USE_WEAK +#define GTHREAD_USE_WEAK (0) + +#undef USE_PT_GNU_EH_FRAME +#define USE_PT_GNU_EH_FRAME (1) + +#undef STANDARD_INCLUDE_DIR +#define STANDARD_INCLUDE_DIR "/include" + +#undef LOCAL_INCLUDE_DIR +#define LOCAL_INCLUDE_DIR "/local/include" + + +/* arch */ +#define CBB_STR(s) #s +#define CBB_XSTR(s) CBB_STR(s) + +#undef MUSL_DYNAMIC_LINKER +#define MUSL_DYNAMIC_LINKER "ld-musl-" CBB_XSTR(CBB_ARCH) ".so.1" + +#ifndef CBB_LINK_EMULATION +#define CBB_LINK_EMULATION "" +#endif + +#undef LINK_EMULATION +#define LINK_EMULATION CBB_LINK_EMULATION + + +/* specs */ +#undef CC1_SPEC +#define CC1_SPEC "%(cc1_cpu) %{profile:-p}" + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}" + +#undef STARTFILE_PREFIX_SPEC +#define STARTFILE_PREFIX_SPEC "%R/lib/" + +#undef LINK_EH_SPEC +#define LINK_EH_SPEC " --eh-frame-hdr " + +#undef LINK_GCC_C_SEQUENCE_SPEC +#define LINK_GCC_C_SEQUENCE_SPEC \ + "%{static:--start-group} " \ + "%L %G " \ + "%{static:--end-group}%{!static:%G} " \ + "--as-needed -lc" + +#undef LIB_SPEC +#define LIB_SPEC "%{pthread:-lpthread} " \ + "%{shared:-lc} " + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{!shared: " \ + "%(startfile_prefix_spec)%{pie:S}crt1.o} " \ + "%(startfile_prefix_spec)crti.o " \ + "%{shared|pie:" \ + "crtbeginS.o%s;:crtbegin.o%s}" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "%{shared|pie:crtendS.o%s;:crtend.o%s} " \ + "%(startfile_prefix_spec)crtn.o" + + +#undef LINK_EMULATION_SPEC +#define LINK_EMULATION_SPEC { "link_emulation", LINK_EMULATION } + +#undef DYNAMIC_LINKER_SPEC +#define DYNAMIC_LINKER_SPEC { "dynamic_linker", \ + "%(startfile_prefix_spec)" MUSL_DYNAMIC_LINKER } + +#undef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS LINK_EMULATION_SPEC , DYNAMIC_LINKER_SPEC + +#undef LINK_SPEC +#define LINK_SPEC "-dynamic-linker %(dynamic_linker) " \ + "%{shared:-shared} " \ + "%{static:-static} " \ + "%{rdynamic:-export-dynamic}" + + +#ifdef __cplusplus +} +#endif + +#endif /* __ASSEMBLER__ */ |