diff options
Diffstat (limited to 'gcc/config/sh/linux.h')
| -rw-r--r-- | gcc/config/sh/linux.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/gcc/config/sh/linux.h b/gcc/config/sh/linux.h index 78a40e5e3b5..f6a9d7c6449 100644 --- a/gcc/config/sh/linux.h +++ b/gcc/config/sh/linux.h @@ -73,15 +73,16 @@ do { \ "%{shared:-shared} \ %{!static: \ %{rdynamic:-export-dynamic} \ - %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2} \ - %{!rpath:-rpath /lib}} \ + %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \ %{static:-static}" #undef LIB_SPEC #define LIB_SPEC \ - "%{shared: -lc} \ + "%{pthread:-lpthread} \ + %{shared: -lc} \ %{!static:-rpath-link %R/lib:%R/usr/lib} \ - %{!shared: %{pthread:-lthread} \ + %{!shared: \ + %{mieee-fp:-lieee} \ %{profile:-lc_p} %{!profile: -lc}}" #if defined(HAVE_LD_EH_FRAME_HDR) @@ -104,6 +105,9 @@ do { \ #define ENDFILE_SPEC \ "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" +#define LINK_GCC_C_SEQUENCE_SPEC \ + "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" + /* Output assembler code to STREAM to call the profiler. */ #undef FUNCTION_PROFILER @@ -170,11 +174,11 @@ do { \ #define SH_DWARF_FRAME_FPSCR 24 #endif /* defined (__SH5__) */ -#if defined (__SH5__) && __SH5__ != 32 +#if defined (__SH5__) /* MD_FALLBACK_FRAME_STATE_FOR is not yet defined for SHMEDIA. */ -#else /* defined (__SH5__) && __SH5__ != 32 */ +#else /* defined (__SH5__) */ -#if defined (__SH3E__) || defined (__SH4__) || defined (__SH5__) +#if defined (__SH3E__) || defined (__SH4__) #define SH_FALLBACK_FRAME_FLOAT_STATE(SC, FS, CFA) \ do { \ int i_, r_; \ @@ -274,5 +278,16 @@ do { \ goto SUCCESS; \ } while (0) -#endif /* defined (__SH5__) && __SH5__ != 32 */ +#endif /* defined (__SH5__) */ #endif /* IN_LIBGCC2 */ + +/* For SH3 and SH4, we use a slot of the unwind frame which correspond + to a fake register number 16 as a placeholder for the return address + in MD_FALLBACK_FRAME_STATE_FOR and its content will be read with + _Unwind_GetGR which uses dwarf_reg_size_table to get the size of + the register. So the entry of dwarf_reg_size_table corresponding to + this slot must be set. To do this, we redefine DBX_REGISTER_NUMBER + so as to return itself for 16. */ +#undef DBX_REGISTER_NUMBER +#define DBX_REGISTER_NUMBER(REGNO) \ + ((! TARGET_SH5 && (REGNO) == 16) ? 16 : SH_DBX_REGISTER_NUMBER (REGNO)) |