compiler building blocks: definitions for all musl-libc PE targets.

+ cbb-musl-pe.h: this header provides the compiler with necessary
  knowledge about the target system libc (musl), covering libc
  features, preferences, and link information (specs).

signed-off by Z. Gilboa; see copying.midipix (9cd0746c) for additional information.

1 files changed, 157 insertions, 0 deletions

diff --git a/libc/cbb-musl-pe.h b/libc/cbb-musl-pe.h
new file mode 100644
index 000000000..7e5b7ba5b
--- /dev/null
+++ b/libc/cbb-musl-pe.h
@@ -0,0 +1,157 @@
+/************************************************************************/
+/*  compiler building blocks: definitions for all musl-libc PE 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  EMUTLS_PROVIDED_BY_PLATFORM
+#define EMUTLS_PROVIDED_BY_PLATFORM	(1)
+
+#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"
+
+
+/* specs */
+#undef  ASM_SPEC_ARCH
+#define ASM_SPEC_ARCH			"%{m32:--32} "	\
+					"%{m64:--64} "
+#undef  ASM_SPEC_AVX
+#define ASM_SPEC_AVX			"%{!mno-sse2avx:%{mavx:-msse2avx}} " \
+					"%{msse2avx:%{!mavx:-msse2avx}} "
+#undef  ASM_SPEC
+#define ASM_SPEC			ASM_SPEC_ARCH ASM_SPEC_AVX
+
+#undef  CPP_SPEC_POSIX
+#define CPP_SPEC_POSIX			"%{posix|mposix:-D_POSIX_SOURCE} "
+
+#undef  CPP_SPEC_LDSO
+#define CPP_SPEC_LDSO			"%{mldso:-D_LDSO} "
+
+#undef  CPP_SPEC_LDSO_ABSOLUTE_PATH
+#define CPP_SPEC_LDSO_ABSOLUTE_PATH	"%{mldso-absolute-path:-D_LDSO -D_LDSO_ABSOLUTE_PATH} "
+
+#undef  CPP_SPEC_LDSO_DEFAULT_PATH
+#define CPP_SPEC_LDSO_DEFAULT_PATH	"%{mldso-default-path:-D_LDSO -D_LDSO_DEFAULT_PATH} "
+
+#undef  CPP_SPEC_LDSO_APP_DIR_ONLY
+#define CPP_SPEC_LDSO_APP_DIR_ONLY	"%{mldso-app-dir-only:-D_LDSO -D_LDSO_APP_DIR_ONLY} "
+
+#undef  CPP_SPEC_LDSO_KERNEL_DRIVER
+#define CPP_SPEC_LDSO_KERNEL_DRIVER	"%{mldso-kernel-driver:-D_LDSO -D_LDSO_KERNEL_DRIVER} "
+
+#undef  CPP_SPEC_NTAPI
+#define CPP_SPEC_NTAPI			"%{mntapi:-ffreestanding} "
+
+#undef  CPP_SPEC
+#define CPP_SPEC 			CPP_SPEC_POSIX			\
+					CPP_SPEC_LDSO			\
+					CPP_SPEC_LDSO_ABSOLUTE_PATH	\
+					CPP_SPEC_LDSO_DEFAULT_PATH	\
+					CPP_SPEC_LDSO_APP_DIR_ONLY	\
+					CPP_SPEC_LDSO_KERNEL_DRIVER	\
+					CPP_SPEC_NTAPI
+
+#undef  LIB_SPEC
+#define LIB_SPEC			"%{shared:-lc} "	\
+					"%{pthread:-lpthread} " \
+					"--no-as-needed -lc "	\
+					"--as-needed -lpsxscl "
+
+#undef  STARTFILE_SPEC
+#define STARTFILE_SPEC			"%{!shared:%{"					\
+						"mldso"					\
+						"|mldso-absolute-path"			\
+						"|mldso-default-path"			\
+						"|mldso-app-dir-only"			\
+						"|mldso-root-relative"			\
+						"|mldso-kernel-driver"			\
+						":%R/lib/crtldso.o}} "			\
+					"%{!shared:%R/lib/%{"				\
+						"mldso-absolute-path:crtldsoa.o;"	\
+						"mldso-default-path:crtldsod.o;"	\
+						"mldso-app-dir-only:crtldson.o;"	\
+						"mldso-root-relative:crtldsor.o;"	\
+						"mldso-kernel-driver:crtldsok.o;"	\
+						":%{static:S}crt1.o}} "			\
+					"%{!shared:%{mposix:%R/lib/crtposix.o}} "	\
+					"%{!shared:%{mtty-console:%R/lib/crtdev.o}} "	\
+					"%{shared:%R/lib/crte.o} "			\
+					"%R/lib/crti.o "				\
+					"%{static:crtbeginT.o%s;"			\
+					"shared|pie:crtbeginS.o%s;"			\
+					":crtbegin.o%s} "
+
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC			"%{shared|pie:crtendS.o%s;:crtend.o%s} "	\
+					"%R/lib/crtn.o " LIB_SPEC
+
+#undef  LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC	"%{static:--start-group} "		\
+					"%L %G " 				\
+					"%{static:--end-group}%{!static:%G} "	\
+					"--no-as-needed -lc "
+
+#undef  LINK_DSO_SYM_SPEC
+#define LINK_DSO_SYM_SPEC 		"--exclude-symbols="		\
+						"__EH_FRAME_BEGIN__,"	\
+						"__dso_handle,"		\
+						"_init,_fini,"		\
+						"_so_entry_point,"	\
+						"dso_main_routine "
+
+#undef  LINK_SPEC
+#define LINK_SPEC			"%{rdynamic:--export-all-symbols} "             \
+					"%{mntapi:-nostdlib} "				\
+					"%{static:-static} "				\
+					"%{shared:-shared} "				\
+					"%{shared:%{moutput-def:"			\
+						"--output-def %{o*:%.so.def%*}}} "	\
+					"%{shared:%{mout-implib:"			\
+						"--out-implib %{o*:%.lib.a%*}}} "	\
+					"%{!shared:--entry _start} "			\
+					"%{!shared:--image-base 0x1920000} "		\
+					"%{shared:--entry _so_entry_point} "		\
+					"%{shared:--enable-auto-image-base} "		\
+					"--subsystem windows "				\
+					LINK_DSO_SYM_SPEC
+
+#undef  SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ASSEMBLER__ */