X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fehopt.c;h=048bc57b5a09f5fbcee50e93ab90e086a9571993;hb=ceae84aacf0d5459a74fd5496cd2c0d6708e052a;hp=c25fd51e5db1f32e2ef386e816cd00e6b43515e2;hpb=de1cb007d96d8e3efbee1637551c3fd81e542f84;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/ehopt.c b/gas/ehopt.c index c25fd51e5d..048bc57b5a 100644 --- a/gas/ehopt.c +++ b/gas/ehopt.c @@ -1,23 +1,23 @@ /* ehopt.c--optimize gcc exception frame information. - Copyright 1998, 2000, 2001 Free Software Foundation, Inc. + Copyright 1998, 2000, 2001, 2003, 2005, 2007 Free Software Foundation, Inc. Written by Ian Lance Taylor . -This file is part of GAS, the GNU Assembler. + This file is part of GAS, the GNU Assembler. -GAS is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. + GAS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. -GAS is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + GAS is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with GAS; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with GAS; see the file COPYING. If not, write to the Free + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #include "as.h" #include "subsegs.h" @@ -94,13 +94,12 @@ struct cie_info int z_augmentation; }; -static int get_cie_info PARAMS ((struct cie_info *)); +static int get_cie_info (struct cie_info *); /* Extract information from the CIE. */ static int -get_cie_info (info) - struct cie_info *info; +get_cie_info (struct cie_info *info) { fragS *f; fixS *fix; @@ -112,16 +111,8 @@ get_cie_info (info) /* We should find the CIE at the start of the section. */ -#if defined (BFD_ASSEMBLER) || defined (MANY_SEGMENTS) f = seg_info (now_seg)->frchainP->frch_root; -#else - f = frchain_now->frch_root; -#endif -#ifdef BFD_ASSEMBLER fix = seg_info (now_seg)->frchainP->fix_root; -#else - fix = *seg_fix_rootP; -#endif /* Look through the frags of the section to find the code alignment. */ @@ -248,9 +239,7 @@ get_cie_info (info) change *EXP and *PNBYTES. */ int -check_eh_frame (exp, pnbytes) - expressionS *exp; - unsigned int *pnbytes; +check_eh_frame (expressionS *exp, unsigned int *pnbytes) { struct frame_data { @@ -286,6 +275,11 @@ check_eh_frame (exp, pnbytes) if (flag_traditional_format) return 0; +#ifdef md_allow_eh_opt + if (! md_allow_eh_opt) + return 0; +#endif + /* Select the proper section data. */ if (strcmp (segment_name (now_seg), ".eh_frame") == 0) d = &eh_frame_data; @@ -363,6 +357,8 @@ check_eh_frame (exp, pnbytes) } else d->state = state_error; + if (d->state == state_skipping_aug && d->aug_size == 0) + d->state = state_wait_loc4; break; case state_skipping_aug: @@ -370,7 +366,7 @@ check_eh_frame (exp, pnbytes) d->state = state_error; else { - int left = (d->aug_size -= *pnbytes); + int left = (d->aug_size -= *pnbytes); if (left == 0) d->state = state_wait_loc4; else if (left < 0) @@ -455,14 +451,13 @@ check_eh_frame (exp, pnbytes) relaxation loop. We set fr_subtype{0:2} to the expected length. */ int -eh_frame_estimate_size_before_relax (frag) - fragS *frag; +eh_frame_estimate_size_before_relax (fragS *frag) { offsetT diff; int ca = frag->fr_subtype >> 3; int ret; - diff = resolve_symbol_value (frag->fr_symbol, 0); + diff = resolve_symbol_value (frag->fr_symbol); if (ca > 0 && diff % ca == 0 && diff / ca < 0x40) ret = 0; @@ -483,8 +478,7 @@ eh_frame_estimate_size_before_relax (frag) the frag. This returns the change in frag length. */ int -eh_frame_relax_frag (frag) - fragS *frag; +eh_frame_relax_frag (fragS *frag) { int oldsize, newsize; @@ -498,8 +492,7 @@ eh_frame_relax_frag (frag) fr_subtype{0:2} will be the desired length of the frag. */ void -eh_frame_convert_frag (frag) - fragS *frag; +eh_frame_convert_frag (fragS *frag) { offsetT diff; fragS *loc4_frag; @@ -508,7 +501,7 @@ eh_frame_convert_frag (frag) loc4_frag = (fragS *) frag->fr_opcode; loc4_fix = (int) frag->fr_offset; - diff = resolve_symbol_value (frag->fr_symbol, finalize_syms); + diff = resolve_symbol_value (frag->fr_symbol); switch (frag->fr_subtype & 7) {