lb1sf68.asm: Add __PIC__ and __ID_SHARED_LIBRARY__ support.
* config/m68k/lb1sf68.asm: Add __PIC__ and __ID_SHARED_LIBRARY__ support. * config/m68k/m68k-none.h (ASM_SPEC): Pass --pcrel to assembler on -fpic, -fPIC, -msep-data and -mid-shared-library. * config/m68k/m68k.c (m68k_library_id_string): New global variable. (override_options): Add -msep-data and -mshared-library-id support. (m68k_output_function_prologue): Generate code to load A5 for TARGET_ID_SHARED_LIBRARY and TARGET_SEP_DATA. (m68k_output_mi_thunk): Emit indirect jump on TARGET_ID_SHARED_LIBRARY. (m68k_output_pic_call): New function. * gcc/config/m68k/m68k.h (TARGET_SEP_DATA): New target flag. (TARGET_ID_SHARED_LIBRARY): Ditto. (TARGET_SWITCHES): Add switches for -mid-shared-library and -msep-data. * gcc/config/m68k/m68k.md (call): Call m68k_output_pic_call(). (call_value): Likewise. From-SVN: r72324
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