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-rw-r--r--libc/cbb-musl-elf.h114
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__ */