X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gas%2Fsubsegs.h;h=db87ece13e44ade1cd4cf4af7360d252f8244329;hb=e9d92351722884fda8914021b25e5d5a6cc1a181;hp=2d3a100cb5da3bea46fafd20b0367be0524c4924;hpb=87e48495014d9a1d075e7c99aeb9cb29daccc796;p=binutils-gdb.git diff --git a/gas/subsegs.h b/gas/subsegs.h index 2d3a100cb5d..db87ece13e4 100644 --- a/gas/subsegs.h +++ b/gas/subsegs.h @@ -1,12 +1,11 @@ /* subsegs.h -> subsegs.c - - Copyright (C) 1987, 1992, 1993, 1994 Free Software Foundation, Inc. + Copyright (C) 1987-2022 Free Software Foundation, Inc. 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) + 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, @@ -15,8 +14,9 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ + 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. */ /* * For every sub-segment the user mentions in the ASsembler program, @@ -37,102 +37,83 @@ * represent code fragments, for that sub-segment, forward chained. */ +#include "obstack.h" + +struct frch_cfi_data; + struct frchain /* control building of a frag chain */ { /* FRCH = FRagment CHain control */ struct frag *frch_root; /* 1st struct frag in chain, or NULL */ struct frag *frch_last; /* last struct frag in chain, or NULL */ struct frchain *frch_next; /* next in chain of struct frchain-s */ - segT frch_seg; /* SEG_TEXT or SEG_DATA. */ subsegT frch_subseg; /* subsegment number of this chain */ -#ifdef BFD_ASSEMBLER fixS *fix_root; /* Root of fixups for this subsegment. */ fixS *fix_tail; /* Last fixup for this subsegment. */ -#endif struct obstack frch_obstack; /* for objects in this frag chain */ + fragS *frch_frag_now; /* frag_now for this subsegment */ + struct frch_cfi_data *frch_cfi_data; }; typedef struct frchain frchainS; -/* All subsegments' chains hang off here. NULL means no frchains yet. */ -extern frchainS *frchain_root; - -/* Frchain we are assembling into now That is, the current segment's - frag chain, even if it contains no (complete) frags. */ +/* Frchain we are assembling into now. That is, the current segment's + frag chain, even if it contains no (complete) frags. */ extern frchainS *frchain_now; - -typedef struct -{ +typedef struct segment_info_struct { frchainS *frchainP; - int hadone : 1; + unsigned int hadone : 1; /* This field is set if this is a .bss section which does not really have any contents. Once upon a time a .bss section did not have any frags, but that is no longer true. This field prevent the SEC_HAS_CONTENTS flag from being set for the section even if there are frags. */ - int bss : 1; + unsigned int bss : 1; int user_stuff; - /* Fixups for this segment. If BFD_ASSEMBLER, this is only valid - after the frchains are run together. */ + /* Fixups for this segment. This is only valid after the frchains + are run together. */ fixS *fix_root; fixS *fix_tail; -#if defined (MANY_SEGMENTS) && !defined (BFD_ASSEMBLER) - struct internal_scnhdr scnhdr; -#endif symbolS *dot; struct lineno_list *lineno_list_head; struct lineno_list *lineno_list_tail; -#ifdef BFD_ASSEMBLER /* Which BFD section does this gas segment correspond to? */ asection *bfd_section; /* NULL, or pointer to the gas symbol that is the section symbol for this section. sym->bsym and bfd_section->symbol should be the same. */ symbolS *sym; -#endif - union - { - /* Current size of section holding stabs strings. */ - unsigned long stab_string_size; - /* Initial frag for ELF. */ - char *p; - } + /* Used by dwarf2dbg.c for this section's line table entries. */ + void *dwarf2_line_seg; + + union { + /* Current size of section holding stabs strings. */ + unsigned long stab_string_size; + /* Initial frag for ELF. */ + char *p; + } stabu; #ifdef NEED_LITERAL_POOL unsigned long literal_pool_size; #endif -} segment_info_type; -#ifdef BFD_ASSEMBLER - -extern segment_info_type *seg_info PARAMS ((segT)); -extern symbolS *section_symbol PARAMS ((segT)); - -#else /* ! BFD_ASSEMBLER */ - -#ifdef MANY_SEGMENTS - -extern segment_info_type segment_info[]; - -#define seg_info(SEC) (&segment_info[SEC]) - -#else +#ifdef TC_SEGMENT_INFO_TYPE + TC_SEGMENT_INFO_TYPE tc_segment_info_data; +#endif +} segment_info_type; -/* Sentinel for frchain crawling. Points to the 1st data-segment - frchain. (Which is pointed to by the last text-segment frchain.) */ -extern frchainS *data0_frchainP; -extern frchainS *bss0_frchainP; -#endif +#define seg_info(sec) \ + ((segment_info_type *) bfd_section_userdata (sec)) -#endif /* ! BFD_ASSEMBLER */ +extern symbolS *section_symbol (segT); -/* end of subsegs.h */ +extern void subsegs_print_statistics (FILE *);