diff options
Diffstat (limited to 'gas/config/tc-sh.c')
| -rw-r--r-- | gas/config/tc-sh.c | 251 |
1 files changed, 5 insertions, 246 deletions
diff --git a/gas/config/tc-sh.c b/gas/config/tc-sh.c index b8248a1..27ccdee 100644 --- a/gas/config/tc-sh.c +++ b/gas/config/tc-sh.c @@ -124,8 +124,6 @@ const pseudo_typeS md_pseudo_table[] = {0, 0, 0} }; -/*int md_reloc_size; */ - int sh_relax; /* set if -relax seen */ /* Whether -small was seen. */ @@ -2871,9 +2869,7 @@ md_assemble (char *str) } } -#ifdef BFD_ASSEMBLER dwarf2_emit_insn (size); -#endif } /* This routine is called each time a label definition is seen. It @@ -2922,24 +2918,6 @@ md_undefined_symbol (char *name ATTRIBUTE_UNUSED) return 0; } -#ifdef OBJ_COFF -#ifndef BFD_ASSEMBLER - -void -tc_crawl_symbol_chain (object_headers *headers ATTRIBUTE_UNUSED) -{ - printf (_("call to tc_crawl_symbol_chain \n")); -} - -void -tc_headers_hook (object_headers *headers ATTRIBUTE_UNUSED) -{ - printf (_("call to tc_headers_hook \n")); -} - -#endif -#endif - /* Various routines to kill one day. */ /* Equal to MAX_PRECISION in atof-ieee.c. */ #define MAX_LITTLENUMS 6 @@ -3245,8 +3223,7 @@ struct sh_count_relocs }; /* Count the number of fixups in a section which refer to a particular - symbol. When using BFD_ASSEMBLER, this is called via - bfd_map_over_sections. */ + symbol. This is called via bfd_map_over_sections. */ static void sh_count_relocs (bfd *abfd ATTRIBUTE_UNUSED, segT sec, void *data) @@ -3271,8 +3248,8 @@ sh_count_relocs (bfd *abfd ATTRIBUTE_UNUSED, segT sec, void *data) } } -/* Handle the count relocs for a particular section. When using - BFD_ASSEMBLER, this is called via bfd_map_over_sections. */ +/* Handle the count relocs for a particular section. + This is called via bfd_map_over_sections. */ static void sh_frob_section (bfd *abfd ATTRIBUTE_UNUSED, segT sec, @@ -3302,9 +3279,6 @@ sh_frob_section (bfd *abfd ATTRIBUTE_UNUSED, segT sec, || fix->fx_subsy != NULL || fix->fx_addnumber != 0 || S_GET_SEGMENT (sym) != sec -#if ! defined (BFD_ASSEMBLER) && defined (OBJ_COFF) - || S_GET_STORAGE_CLASS (sym) == C_EXT -#endif || S_IS_EXTERNAL (sym)) { as_warn_where (fix->fx_file, fix->fx_line, @@ -3344,9 +3318,6 @@ sh_frob_section (bfd *abfd ATTRIBUTE_UNUSED, segT sec, || fscan->fx_subsy != NULL || fscan->fx_addnumber != 0 || S_GET_SEGMENT (sym) != sec -#if ! defined (BFD_ASSEMBLER) && defined (OBJ_COFF) - || S_GET_STORAGE_CLASS (sym) == C_EXT -#endif || S_IS_EXTERNAL (sym)) { as_warn_where (fix->fx_file, fix->fx_line, @@ -3358,16 +3329,7 @@ sh_frob_section (bfd *abfd ATTRIBUTE_UNUSED, segT sec, counting the number of times we find a reference to sym. */ info.sym = sym; info.count = 0; -#ifdef BFD_ASSEMBLER bfd_map_over_sections (stdoutput, sh_count_relocs, &info); -#else - { - int iscan; - - for (iscan = SEG_E0; iscan < SEG_UNKNOWN; iscan++) - sh_count_relocs ((bfd *) NULL, iscan, &info); - } -#endif if (info.count < 1) abort (); @@ -3402,28 +3364,14 @@ sh_frob_file (void) if (! sh_relax) return; -#ifdef BFD_ASSEMBLER bfd_map_over_sections (stdoutput, sh_frob_section, NULL); -#else - { - int iseg; - - for (iseg = SEG_E0; iseg < SEG_UNKNOWN; iseg++) - sh_frob_section ((bfd *) NULL, iseg, NULL); - } -#endif } /* Called after relaxing. Set the correct sizes of the fragments, and create relocs so that md_apply_fix will fill in the correct values. */ void -#ifdef BFD_ASSEMBLER md_convert_frag (bfd *headers ATTRIBUTE_UNUSED, segT seg, fragS *fragP) -#else -md_convert_frag (object_headers *headers ATTRIBUTE_UNUSED, segT seg, - fragS *fragP) -#endif { int donerelax = 0; @@ -3496,12 +3444,7 @@ md_convert_frag (object_headers *headers ATTRIBUTE_UNUSED, segT seg, /* Build a relocation to six / four bytes farther on. */ subseg_change (seg, 0); - fix_new (fragP, fragP->fr_fix, 2, -#ifdef BFD_ASSEMBLER - section_symbol (seg), -#else - seg_info (seg)->dot, -#endif + fix_new (fragP, fragP->fr_fix, 2, section_symbol (seg), fragP->fr_address + fragP->fr_fix + (delay ? 4 : 6), 1, BFD_RELOC_SH_PCDISP8BY2); @@ -3568,17 +3511,12 @@ md_convert_frag (object_headers *headers ATTRIBUTE_UNUSED, segT seg, valueT md_section_align (segT seg ATTRIBUTE_UNUSED, valueT size) { -#ifdef BFD_ASSEMBLER #ifdef OBJ_ELF return size; #else /* ! OBJ_ELF */ return ((size + (1 << bfd_get_section_alignment (stdoutput, seg)) - 1) & (-1 << bfd_get_section_alignment (stdoutput, seg))); #endif /* ! OBJ_ELF */ -#else /* ! BFD_ASSEMBLER */ - return ((size + (1 << section_alignment[(int) seg]) - 1) - & (-1 << section_alignment[(int) seg])); -#endif /* ! BFD_ASSEMBLER */ } /* This static variable is set by s_uacons to tell sh_cons_align that @@ -3803,7 +3741,6 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) long max, min; int shift; -#ifdef BFD_ASSEMBLER /* A difference between two symbols, the second of which is in the current section, is transformed in a PC-relative relocation to the other symbol. We have to adjust the relocation type here. */ @@ -3849,24 +3786,9 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) && fixP->fx_addsy != NULL && S_IS_WEAK (fixP->fx_addsy)) val -= S_GET_VALUE (fixP->fx_addsy); -#endif -#ifdef BFD_ASSEMBLER if (SWITCH_TABLE (fixP)) val -= S_GET_VALUE (fixP->fx_subsy); -#else - if (fixP->fx_r_type == 0) - { - if (fixP->fx_size == 2) - fixP->fx_r_type = BFD_RELOC_16; - else if (fixP->fx_size == 4) - fixP->fx_r_type = BFD_RELOC_32; - else if (fixP->fx_size == 1) - fixP->fx_r_type = BFD_RELOC_8; - else - abort (); - } -#endif max = min = 0; shift = 0; @@ -4207,8 +4129,7 @@ md_number_to_chars (char *ptr, valueT use, int nbytes) number_to_chars_bigendian (ptr, use, nbytes); } -/* This version is used in obj-coff.c when not using BFD_ASSEMBLER. - eg for the sh-hms target. */ +/* This version is used in obj-coff.c eg. for the sh-hms target. */ long md_pcrel_from (fixS *fixP) @@ -4234,167 +4155,6 @@ md_pcrel_from_section (fixS *fixP, segT sec) return md_pcrel_from (fixP); } -#ifdef OBJ_COFF - -int -tc_coff_sizemachdep (fragS *frag) -{ - return md_relax_table[frag->fr_subtype].rlx_length; -} - -#endif /* OBJ_COFF */ - -#ifndef BFD_ASSEMBLER -#ifdef OBJ_COFF - -/* Map BFD relocs to SH COFF relocs. */ - -struct reloc_map -{ - bfd_reloc_code_real_type bfd_reloc; - int sh_reloc; -}; - -static const struct reloc_map coff_reloc_map[] = -{ - { BFD_RELOC_32, R_SH_IMM32 }, - { BFD_RELOC_16, R_SH_IMM16 }, - { BFD_RELOC_8, R_SH_IMM8 }, - { BFD_RELOC_SH_PCDISP8BY2, R_SH_PCDISP8BY2 }, - { BFD_RELOC_SH_PCDISP12BY2, R_SH_PCDISP }, - { BFD_RELOC_SH_IMM4, R_SH_IMM4 }, - { BFD_RELOC_SH_IMM4BY2, R_SH_IMM4BY2 }, - { BFD_RELOC_SH_IMM4BY4, R_SH_IMM4BY4 }, - { BFD_RELOC_SH_IMM8, R_SH_IMM8 }, - { BFD_RELOC_SH_IMM8BY2, R_SH_IMM8BY2 }, - { BFD_RELOC_SH_IMM8BY4, R_SH_IMM8BY4 }, - { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_PCRELIMM8BY2 }, - { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_PCRELIMM8BY4 }, - { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, - { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, - { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, - { BFD_RELOC_SH_USES, R_SH_USES }, - { BFD_RELOC_SH_COUNT, R_SH_COUNT }, - { BFD_RELOC_SH_ALIGN, R_SH_ALIGN }, - { BFD_RELOC_SH_CODE, R_SH_CODE }, - { BFD_RELOC_SH_DATA, R_SH_DATA }, - { BFD_RELOC_SH_LABEL, R_SH_LABEL }, - { BFD_RELOC_UNUSED, 0 } -}; - -/* Adjust a reloc for the SH. This is similar to the generic code, - but does some minor tweaking. */ - -void -sh_coff_reloc_mangle (segment_info_type *seg, fixS *fix, - struct internal_reloc *intr, unsigned int paddr) -{ - symbolS *symbol_ptr = fix->fx_addsy; - symbolS *dot; - - intr->r_vaddr = paddr + fix->fx_frag->fr_address + fix->fx_where; - - if (! SWITCH_TABLE (fix)) - { - const struct reloc_map *rm; - - for (rm = coff_reloc_map; rm->bfd_reloc != BFD_RELOC_UNUSED; rm++) - if (rm->bfd_reloc == (bfd_reloc_code_real_type) fix->fx_r_type) - break; - if (rm->bfd_reloc == BFD_RELOC_UNUSED) - as_bad_where (fix->fx_file, fix->fx_line, - _("Can not represent %s relocation in this object file format"), - bfd_get_reloc_code_name (fix->fx_r_type)); - intr->r_type = rm->sh_reloc; - intr->r_offset = 0; - } - else - { - know (sh_relax); - - if (fix->fx_r_type == BFD_RELOC_16) - intr->r_type = R_SH_SWITCH16; - else if (fix->fx_r_type == BFD_RELOC_8) - intr->r_type = R_SH_SWITCH8; - else if (fix->fx_r_type == BFD_RELOC_32) - intr->r_type = R_SH_SWITCH32; - else - abort (); - - /* For a switch reloc, we set r_offset to the difference between - the reloc address and the subtrahend. When the linker is - doing relaxing, it can use the determine the starting and - ending points of the switch difference expression. */ - intr->r_offset = intr->r_vaddr - S_GET_VALUE (fix->fx_subsy); - } - - /* PC relative relocs are always against the current section. */ - if (symbol_ptr == NULL) - { - switch (fix->fx_r_type) - { - case BFD_RELOC_SH_PCRELIMM8BY2: - case BFD_RELOC_SH_PCRELIMM8BY4: - case BFD_RELOC_SH_PCDISP8BY2: - case BFD_RELOC_SH_PCDISP12BY2: - case BFD_RELOC_SH_USES: - symbol_ptr = seg->dot; - break; - default: - break; - } - } - - if (fix->fx_r_type == BFD_RELOC_SH_USES) - { - /* We can't store the offset in the object file, since this - reloc does not take up any space, so we store it in r_offset. - The fx_addnumber field was set in md_apply_fix. */ - intr->r_offset = fix->fx_addnumber; - } - else if (fix->fx_r_type == BFD_RELOC_SH_COUNT) - { - /* We can't store the count in the object file, since this reloc - does not take up any space, so we store it in r_offset. The - fx_offset field was set when the fixup was created in - sh_coff_frob_file. */ - intr->r_offset = fix->fx_offset; - /* This reloc is always absolute. */ - symbol_ptr = NULL; - } - else if (fix->fx_r_type == BFD_RELOC_SH_ALIGN) - { - /* Store the alignment in the r_offset field. */ - intr->r_offset = fix->fx_offset; - /* This reloc is always absolute. */ - symbol_ptr = NULL; - } - else if (fix->fx_r_type == BFD_RELOC_SH_CODE - || fix->fx_r_type == BFD_RELOC_SH_DATA - || fix->fx_r_type == BFD_RELOC_SH_LABEL) - { - /* These relocs are always absolute. */ - symbol_ptr = NULL; - } - - /* Turn the segment of the symbol into an offset. */ - if (symbol_ptr != NULL) - { - dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; - if (dot != NULL) - intr->r_symndx = dot->sy_number; - else - intr->r_symndx = symbol_ptr->sy_number; - } - else - intr->r_symndx = -1; -} - -#endif /* OBJ_COFF */ -#endif /* ! BFD_ASSEMBLER */ - -#ifdef BFD_ASSEMBLER - /* Create a reloc. */ arelent * @@ -4610,4 +4370,3 @@ sh_regname_to_dw2regnum (const char *regname) return regnum; } #endif /* OBJ_ELF */ -#endif /* BFD_ASSEMBLER */ |