X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Ffrags.h;h=73b71821b9c816f86de52043d471165e0b225842;hb=e0ab682bec5fe48fd19f5c3286e3b2e316449e48;hp=c1c652bd89a4d9ff12597b2f4cebb56c789122d0;hpb=0a9ef439079f50221dad9eb5248387236d370c87;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/frags.h b/gas/frags.h index c1c652bd89..73b71821b9 100644 --- a/gas/frags.h +++ b/gas/frags.h @@ -1,5 +1,5 @@ /* frags.h - Header file for the frag concept. - Copyright (C) 1987, 92, 93, 94, 95, 97, 98, 99, 2000 + Copyright 1987, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -38,13 +38,14 @@ struct obstack; of a particular frag}+offset. BUG: it may be smarter to have a single pointer off to various different - notes for different frag kinds. See how code pans. */ + notes for different frag kinds. See how code pans. */ struct frag { /* Object file address (as an octet offset). */ addressT fr_address; - /* Chain forward; ascending address order. Rooted in frch_root. */ - struct frag *fr_next; + /* When relaxing multiple times, remember the address the frag had + in the last relax pass. */ + addressT last_fr_address; /* (Fixed) number of octets we know we have. May be 0. */ offsetT fr_fix; @@ -52,16 +53,27 @@ struct frag { The generic frag handling code no longer makes any use of fr_var. */ offsetT fr_var; /* For variable-length tail. */ - symbolS *fr_symbol; - /* For variable-length tail. */ offsetT fr_offset; + /* For variable-length tail. */ + symbolS *fr_symbol; /* Points to opcode low addr byte, for relaxation. */ char *fr_opcode; + /* Chain forward; ascending address order. Rooted in frch_root. */ + struct frag *fr_next; + + /* Where the frag was created, or where it became a variant frag. */ + char *fr_file; + unsigned int fr_line; + #ifndef NO_LISTING struct list_info_struct *line; #endif + /* Flipped each relax pass so we can easily determine whether + fr_address has been adjusted. */ + unsigned int relax_marker:1; + /* What state is my tail in? */ relax_stateT fr_type; relax_substateT fr_subtype; @@ -82,10 +94,6 @@ struct frag { TC_FRAG_TYPE tc_frag_data; #endif - /* Where the frag was created, or where it became a variant frag. */ - char *fr_file; - unsigned int fr_line; - /* Data begins here. */ char fr_literal[1]; }; @@ -98,8 +106,8 @@ struct frag { however, included in frchain_now. The fr_fix field is bogus; instead, use frag_now_fix (). */ COMMON fragS *frag_now; -extern addressT frag_now_fix PARAMS ((void)); -extern addressT frag_now_fix_octets PARAMS ((void)); +extern addressT frag_now_fix (void); +extern addressT frag_now_fix_octets (void); /* For foreign-segment symbol fixups. */ COMMON fragS zero_address_frag; @@ -108,7 +116,7 @@ COMMON fragS bss_address_frag; #if 0 /* A macro to speed up appending exactly 1 char to current frag. */ -/* JF changed < 1 to <= 1 to avoid a race conditon. */ +/* JF changed < 1 to <= 1 to avoid a race condition. */ #define FRAG_APPEND_1_CHAR(datum) \ { \ if (obstack_room (&frags) <= 1) \ @@ -119,37 +127,35 @@ COMMON fragS bss_address_frag; obstack_1grow (&frags, datum); \ } #else -extern void frag_append_1_char PARAMS ((int)); +extern void frag_append_1_char (int); #define FRAG_APPEND_1_CHAR(X) frag_append_1_char (X) #endif -void frag_init PARAMS ((void)); -fragS *frag_alloc PARAMS ((struct obstack *)); -void frag_grow PARAMS ((unsigned int nchars)); -char *frag_more PARAMS ((int nchars)); -void frag_align PARAMS ((int alignment, int fill_character, int max)); -void frag_align_pattern PARAMS ((int alignment, - const char *fill_pattern, - int n_fill, - int max)); -void frag_align_code PARAMS ((int alignment, int max)); -void frag_new PARAMS ((int old_frags_var_max_size)); -void frag_wane PARAMS ((fragS * fragP)); - -char *frag_variant PARAMS ((relax_stateT type, - int max_chars, - int var, - relax_substateT subtype, - symbolS * symbol, - offsetT offset, - char *opcode)); - -char *frag_var PARAMS ((relax_stateT type, - int max_chars, - int var, - relax_substateT subtype, - symbolS * symbol, - offsetT offset, - char *opcode)); +void frag_init (void); +fragS *frag_alloc (struct obstack *); +void frag_grow (unsigned int nchars); +char *frag_more (int nchars); +void frag_align (int alignment, int fill_character, int max); +void frag_align_pattern (int alignment, const char *fill_pattern, + int n_fill, int max); +void frag_align_code (int alignment, int max); +void frag_new (int old_frags_var_max_size); +void frag_wane (fragS * fragP); + +char *frag_variant (relax_stateT type, + int max_chars, + int var, + relax_substateT subtype, + symbolS * symbol, + offsetT offset, + char *opcode); + +char *frag_var (relax_stateT type, + int max_chars, + int var, + relax_substateT subtype, + symbolS * symbol, + offsetT offset, + char *opcode); #endif /* FRAGS_H */