diff options
Diffstat (limited to 'contrib/binutils/gas/write.c')
| -rw-r--r-- | contrib/binutils/gas/write.c | 72 |
1 files changed, 33 insertions, 39 deletions
diff --git a/contrib/binutils/gas/write.c b/contrib/binutils/gas/write.c index f4dc2ae..323b95f 100644 --- a/contrib/binutils/gas/write.c +++ b/contrib/binutils/gas/write.c @@ -1,6 +1,6 @@ /* write.c - emit .o file Copyright 1986, 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, - 1998, 1999, 2000, 2001 + 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -61,8 +61,8 @@ #endif #ifndef WORKING_DOT_WORD -extern CONST int md_short_jump_size; -extern CONST int md_long_jump_size; +extern const int md_short_jump_size; +extern const int md_long_jump_size; #endif /* Used to control final evaluation of expressions. */ @@ -142,9 +142,6 @@ static void cvt_frag_to_fill PARAMS ((object_headers *, segT, fragS *)); static void remove_subsegs PARAMS ((frchainS *, int, fragS **, fragS **)); static void relax_and_size_all_segments PARAMS ((void)); #endif -#if defined (BFD_ASSEMBLER) && defined (OBJ_COFF) && defined (TE_GO32) -static void set_segment_vma PARAMS ((bfd *, asection *, PTR)); -#endif /* Create a fixS in obstack 'notes'. */ @@ -527,6 +524,7 @@ cvt_frag_to_fill (headersP, sec, fragP) as_bad_where (fragP->fr_file, fragP->fr_line, _("attempt to .org/.space backwards? (%ld)"), (long) fragP->fr_offset); + fragP->fr_offset = 0; } fragP->fr_type = rs_fill; break; @@ -677,7 +675,14 @@ size_seg (abfd, sec, xxx) while (fragp->fr_next != last) fragp = fragp->fr_next; last->fr_address = size; - fragp->fr_offset += newsize - size; + if ((newsize - size) % fragp->fr_var == 0) + fragp->fr_offset += (newsize - size) / fragp->fr_var; + else + /* If we hit this abort, it's likely due to subsegs_finish not + providing sufficient alignment on the last frag, and the + machine dependent code using alignment frags with fr_var + greater than 1. */ + abort (); } #ifdef tc_frob_section @@ -881,6 +886,13 @@ adjust_reloc_syms (abfd, sec, xxx) symbol_mark_used_in_reloc (fixp->fx_addsy); goto done; } + + /* Never adjust a reloc against TLS local symbol. */ + if (symsec->flags & SEC_THREAD_LOCAL) + { + symbol_mark_used_in_reloc (fixp->fx_addsy); + goto done; + } #endif /* Is there some other reason we can't adjust this one? (E.g., @@ -1396,20 +1408,6 @@ set_symtab () } #endif -#if defined (BFD_ASSEMBLER) && defined (OBJ_COFF) && defined (TE_GO32) -static void -set_segment_vma (abfd, sec, xxx) - bfd *abfd; - asection *sec; - PTR xxx ATTRIBUTE_UNUSED; -{ - static bfd_vma addr = 0; - - bfd_set_section_vma (abfd, sec, addr); - addr += bfd_section_size (abfd, sec); -} -#endif /* BFD_ASSEMBLER && OBJ_COFF && !TE_PE */ - /* Finish the subsegments. After every sub-segment, we fake an ".align ...". This conforms to BSD4.2 brane-damage. We then fake ".fill 0" because that is the kind of frag that requires least @@ -1417,10 +1415,19 @@ set_segment_vma (abfd, sec, xxx) makes calculating their intended length trivial. */ #ifndef SUB_SEGMENT_ALIGN +#ifdef HANDLE_ALIGN +/* The last subsegment gets an aligment corresponding to the alignment + of the section. This allows proper nop-filling at the end of + code-bearing sections. */ +#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \ + (!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \ + ? get_recorded_alignment (SEG) : 0) +#else #ifdef BFD_ASSEMBLER -#define SUB_SEGMENT_ALIGN(SEG) (0) +#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 #else -#define SUB_SEGMENT_ALIGN(SEG) (2) +#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 2 +#endif #endif #endif @@ -1431,20 +1438,15 @@ subsegs_finish () for (frchainP = frchain_root; frchainP; frchainP = frchainP->frch_next) { - int alignment; + int alignment = 0; subseg_set (frchainP->frch_seg, frchainP->frch_subseg); /* This now gets called even if we had errors. In that case, any alignment is meaningless, and, moreover, will look weird if we are generating a listing. */ - alignment = had_errors () ? 0 : SUB_SEGMENT_ALIGN (now_seg); - - /* The last subsegment gets an aligment corresponding to the - alignment of the section. This allows proper nop-filling - at the end of code-bearing sections. */ - if (!frchainP->frch_next || frchainP->frch_next->frch_seg != now_seg) - alignment = get_recorded_alignment (now_seg); + if (!had_errors ()) + alignment = SUB_SEGMENT_ALIGN (now_seg, frchainP); if (subseg_text_p (now_seg)) frag_align_code (alignment, 0); @@ -1590,14 +1592,6 @@ write_object_file () /* Relaxation has completed. Freeze all syms. */ finalize_syms = 1; -#if defined (BFD_ASSEMBLER) && defined (OBJ_COFF) && defined (TE_GO32) - /* Now that the segments have their final sizes, run through the - sections and set their vma and lma. !BFD gas sets them, and BFD gas - should too. Currently, only DJGPP uses this code, but other - COFF targets may need to execute this too. */ - bfd_map_over_sections (stdoutput, set_segment_vma, (char *) 0); -#endif - #ifndef BFD_ASSEMBLER /* Crawl the symbol chain. |
