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- *** gas-1.38/Makefile Thu Oct 18 15:26:42 1990
- --- Makefile Fri Jul 12 06:02:10 1991
- ***************
- *** 50,55 ****
- --- 50,61 ----
- # and un-comment the next two lines.
- # G0 = -g -I. -DUSE_SYSTEM_HDR -DEXEC_VERSION=1
- # LOADLIBES = -lc /usr/att/lib/libc.a
- + #
- + # To compile gas for a Xenix 386, comment out all the above lines,
- + # and un-comment the next two lines. (If you are using GCC, comment out the
- + # alloca.o part) (Get alloca from the emacs distribution, or use GCC.)
- + G0 = -O -I. -DUSG -DWORKING_DOT_WORD
- + LOADLIBES = alloca.o -lmalloc
-
- # If you just want to compile the vax assembler, type 'make avax'
-
- ***************
- *** 129,134 ****
- --- 135,144 ----
- CFLAGS = $(G0) $(G1) $(G2) $(G3) $(G4)
-
- #
- + #
- + # To make the XENIX 386 assembler compile as the default, un-comment the next
- + # line and commment out all the other lines that start with DEFAULT_GAS
- + #DEFAULT_GAS=ax386
- # To make the 68020 assembler compile as the default, un-comment the next
- # line, and comment out all the other lines that start with DEFAULT_GAS
- DEFAULT_GAS=a68
- ***************
- *** 245,250 ****
- --- 255,269 ----
-
- a386: $a $x
- $(CC) -o a386 $(LDFLAGS) $a $x $(LOADLIBES)
- +
- + # XENIX 80386 GAS --------------------------------------------------------------
- + u = xenixomf.o omfwrite.o
- + U = xenixomf.c xenixomf.h msomf.h omfwrite.c
- +
- + xenixomf.o: xenixomf.h msomf.h
- +
- + ax386: $a $x $u
- + $(CC) -o ax386 $(LDFLAGS) $a $u $x $(LOADLIBES)
-
- # 68020 GAS ------------------------------------------------------------------
- y = m68k.o atof-ieee.o write.o read.o
- *** gas-1.38/as.c Thu Oct 11 11:26:17 1990
- --- as.c Wed Jul 10 09:01:54 1991
- ***************
- *** 84,89 ****
- --- 84,90 ----
- myname=argv[0];
- bzero (flagseen, sizeof(flagseen)); /* aint seen nothing yet */
- out_file_name = "a.out"; /* default .o file */
- + module_name = "unknown.s";
- symbol_begin(); /* symbols.c */
- subsegs_begin(); /* subsegs.c */
- read_begin(); /* read.c */
- *** gas-1.38/as.h Thu Oct 11 11:26:18 1990
- --- as.h Wed Jul 10 09:01:58 1991
- ***************
- *** 286,291 ****
- --- 286,292 ----
-
- COMMON int need_pass_2; /* TRUE if we need a second pass. */
-
- + COMMON char *module_name; /* Name given in the file directive */
-
- #endif /* #ifdef asH */
-
- *** gas-1.38/config.h
- --- config.h Wed Jul 10 09:16:07 1991
- ***************
- *** 0 ****
- --- 1 ----
- + #define XENIX
- *** gas-1.38/msomf.h
- --- msomf.h Wed Jul 10 09:02:22 1991
- ***************
- *** 0 ****
- --- 1,24 ----
- +
- + /* Segment indexes for segdefs */
- +
- + #define SDEF_TEXT 1
- + #define SDEF_DATA 2
- + #define SDEF_CONST 3
- + #define SDEF_BSS 4
- + #define SDEF_SYMBOLS 5
- + #define SDEF_TYPES 6
- + #define SDEF_SIZE 4
- + #define SDEF_G_SIZE 6
- +
- + #define GDEF_DGROUP 1
- +
- + #define I386 1
- + #define FRAME_THREAD 1
- + #define TARGET_THREAD 0
- +
- + #define TEXT_FRAME_THREAD 0
- + #define DGROUP_FRAME_THREAD 1
- + #define CONST_TGT_THREAD 0
- + #define DATA_TGT_THREAD 1
- + #define TEXT_TGT_THREAD 2
- + #define BSS_TGT_THREAD 3
- *** gas-1.38/omfwrite.c
- --- omfwrite.c Wed Jul 10 09:02:24 1991
- ***************
- *** 0 ****
- --- 1,672 ----
- + /* write.c - emit .o file - Copyright(C)1986 Free Software Foundation, Inc.
- + Copyright (C) 1986,1987 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 1, 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.
- +
- + 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. */
- +
- + #include "as.h"
- + #include "md.h"
- + #include "subsegs.h"
- + #include "obstack.h"
- + #include "struc-symbol.h"
- + #include "write.h"
- + #include "symbols.h"
- +
- + #include "xenixomf.h"
- + #include "msomf.h"
- +
- + #if __STDC__
- + #include <stddef.h>
- + #else
- + #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
- + #endif
- +
- + void append();
- +
- + /*
- + * In: length of relocation (or of address) in chars: 1, 2 or 4.
- + * Out: OMF LOC type.
- + */
- +
- + static unsigned char nbytes_r_length [] = {
- + 15, LOC_LOBYTE, LOC_OFFSET, 15, LOC_OFFSET32
- + };
- +
- +
- + static struct frag * text_frag_root;
- + static struct frag * data_frag_root;
- +
- + static struct frag * text_last_frag; /* Last frag in segment. */
- + static struct frag * data_last_frag; /* Last frag in segment. */
- +
- + static struct exec the_exec;
- +
- + static long int string_byte_count;
- + static long int stab_symbol_count;
- +
- + void relax_segment();
- + long int fixup_segment();
- +
- + static void threads(type, trgt_thrd, frm_thrd)
- + int type;
- + int *trgt_thrd, *frm_thrd;
- + {
- + switch (type)
- + {
- + case PRIVDATA: *trgt_thrd = DATA_TGT_THREAD;
- + *frm_thrd = DGROUP_FRAME_THREAD;
- + break;
- + case PRIVBSS: *trgt_thrd = BSS_TGT_THREAD;
- + *frm_thrd = DGROUP_FRAME_THREAD;
- + break;
- + case PRIVTEXT: *trgt_thrd = TEXT_TGT_THREAD;
- + *frm_thrd = TEXT_FRAME_THREAD;
- + break;
- + case PUBLICDATA: *trgt_thrd = DATA_TGT_THREAD;
- + *frm_thrd = DGROUP_FRAME_THREAD;
- + break;
- + case PUBLICTEXT: *trgt_thrd = TEXT_TGT_THREAD;
- + *frm_thrd = TEXT_FRAME_THREAD;
- + break;
- + default: *trgt_thrd = CONST_TGT_THREAD;
- + *frm_thrd = DGROUP_FRAME_THREAD;
- + break;
- + }
- + }
- +
- + void
- + write_object_file()
- + {
- + register struct frchain * frchainP; /* Track along all frchains. */
- + register fragS * fragP; /* Track along all frags. */
- + register struct frchain * next_frchainP;
- + register fragS * * prev_fragPP;
- + register char * name;
- + register symbolS * symbolP;
- + register symbolS ** symbolPP;
- + /* register fixS * fixP; JF unused */
- + unsigned long
- + text_siz,
- + data_siz,
- + syms_siz,
- + tr_siz,
- + dr_siz;
- + void output_file_create();
- + void output_file_append();
- + void output_file_close();
- + extern long omagic; /* JF magic # to write out. Is different for
- + Suns and Vaxen and other boxes */
- +
- + /*
- + * 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 thought. ".align" frags like to have a following
- + * frag since that makes calculating their intended length trivial.
- + */
- + #define SUB_SEGMENT_ALIGN (2)
- + for ( frchainP=frchain_root; frchainP; frchainP=frchainP->frch_next )
- + {
- + subseg_new (frchainP -> frch_seg, frchainP -> frch_subseg);
- + frag_align (SUB_SEGMENT_ALIGN, 0);
- + /* frag_align will have left a new frag. */
- + /* Use this last frag for an empty ".fill". */
- + /*
- + * For this segment ...
- + * Create a last frag. Do not leave a "being filled in frag".
- + */
- + frag_wane (frag_now);
- + frag_now -> fr_fix = 0;
- + know( frag_now -> fr_next == NULL );
- + /* know( frags . obstack_c_base == frags . obstack_c_next_free ); */
- + /* Above shows we haven't left a half-completed object on obstack. */
- + }
- +
- + /*
- + * From now on, we don't care about sub-segments.
- + * Build one frag chain for each segment. Linked thru fr_next.
- + * We know that there is at least 1 text frchain & at least 1 data frchain.
- + */
- + prev_fragPP = &text_frag_root;
- + for ( frchainP=frchain_root; frchainP; frchainP=next_frchainP )
- + {
- + know( frchainP -> frch_root );
- + * prev_fragPP = frchainP -> frch_root;
- + prev_fragPP = & frchainP -> frch_last -> fr_next;
- + if ( ((next_frchainP = frchainP->frch_next) == NULL)
- + || next_frchainP == data0_frchainP)
- + {
- + prev_fragPP = & data_frag_root;
- + if ( next_frchainP )
- + {
- + text_last_frag = frchainP -> frch_last;
- + }
- + else
- + {
- + data_last_frag = frchainP -> frch_last;
- + }
- + }
- + } /* for(each struct frchain) */
- +
- + relax_segment (text_frag_root, SEG_TEXT);
- + relax_segment (data_frag_root, SEG_DATA);
- + /*
- + * Now the addresses of frags are correct within the segment.
- + */
- +
- + text_siz=text_last_frag->fr_address;
- +
- + /*
- + *
- + * Determine a_data [length of data segment].
- + */
- + if (data_frag_root)
- + data_siz=data_last_frag->fr_address;
- + else
- + data_siz = 0;
- +
- + bss_address_frag . fr_address = 0;
- +
- + /*
- + *
- + * Crawl the symbol chain.
- + *
- + * For each symbol whose value depends on a frag, take the address of
- + * that frag and subsume it into the value of the symbol.
- + * After this, there is just one way to lookup a symbol value.
- + * Values are left in their final state for object file emission.
- + * We adjust the values of 'L' local symbols, even if we do
- + * not intend to emit them to the object file, because their values
- + * are needed for fix-ups.
- + *
- + * Unless we saw a -L flag, remove all symbols that begin with 'L'
- + * from the symbol chain.
- + *
- + * Count the (length of the nlists of the) (remaining) symbols.
- + * Assign a symbol number to each symbol.
- + * Count the number of string-table chars we will emit.
- + *
- + */
- + string_byte_count = sizeof( string_byte_count );
- +
- + /* JF deal with forward references first. . . */
- + for(symbolP=symbol_rootP;symbolP;symbolP=symbolP->sy_next) {
- + if(symbolP->sy_forward) {
- + symbolP->sy_value+=symbolP->sy_forward->sy_value+symbolP->sy_forward->sy_frag->fr_address;
- + symbolP->sy_forward=0;
- + }
- + }
- + symbolPP = & symbol_rootP; /* -> last symbol chain link. */
- + {
- + register long int symbol_number;
- +
- + symbol_number = 1; stab_symbol_count = 0;
- +
- + while (symbolP = * symbolPP)
- + {
- + name = symbolP -> sy_name;
- + symbolP -> sy_value += symbolP -> sy_frag -> fr_address;
- + if ( !name || (symbolP->sy_nlist.n_type&N_STAB)
- + || (name[0]!='\001' && (flagseen ['L'] || name [0] != 'L' )))
- + {
- + if (EXTDEF(symbolP->sy_nlist.n_type))
- + symbolP -> sy_number = symbol_number ++;
- + else
- + symbolP -> sy_number = 0;
- + if (symbolP->sy_nlist.n_type&N_STAB)
- + stab_symbol_count++;
- + if (name && symbolP->sy_nlist.n_type&N_STAB)
- + { /* Ordinary case. */
- + symbolP -> sy_name_offset = string_byte_count;
- + string_byte_count += strlen (symbolP -> sy_name) + 1;
- + }
- + else /* .Stabd case. */
- + symbolP -> sy_name_offset = 0;
- + symbolPP = & (symbolP -> sy_next);
- + }
- + else
- + * symbolPP = symbolP -> sy_next;
- + } /* for each symbol */
- +
- + syms_siz = sizeof( struct nlist) * symbol_number;
- + }
- +
- + /*
- + * Addresses of frags now reflect addresses we use in the object file.
- + * Symbol values are correct.
- + * Scan the frags, converting any ".org"s and ".align"s to ".fill"s.
- + * Also converting any machine-dependent frags using md_convert_frag();
- + */
- + subseg_change( SEG_TEXT, 0);
- +
- + for (fragP = text_frag_root; fragP; fragP = fragP -> fr_next)
- + {
- + switch (fragP -> fr_type)
- + {
- + case rs_align:
- + case rs_org:
- + fragP -> fr_type = rs_fill;
- + know( fragP -> fr_var == 1 );
- + know( fragP -> fr_next );
- + fragP -> fr_offset
- + = fragP -> fr_next -> fr_address
- + - fragP -> fr_address
- + - fragP -> fr_fix;
- + break;
- +
- + case rs_fill:
- + break;
- +
- + case rs_machine_dependent:
- + md_convert_frag (fragP);
- + /*
- + * After md_convert_frag, we make the frag into a ".space 0".
- + * Md_convert_frag() should set up any fixSs and constants
- + * required.
- + */
- + frag_wane (fragP);
- + break;
- +
- + default:
- + BAD_CASE( fragP -> fr_type );
- + break;
- + } /* switch (fr_type) */
- + } /* for each frag. */
- +
- +
- + subseg_change( SEG_DATA, 0);
- +
- + for (fragP = data_frag_root; fragP; fragP = fragP -> fr_next)
- + {
- + switch (fragP -> fr_type)
- + {
- + case rs_align:
- + case rs_org:
- + fragP -> fr_type = rs_fill;
- + know( fragP -> fr_var == 1 );
- + know( fragP -> fr_next );
- + fragP -> fr_offset
- + = fragP -> fr_next -> fr_address
- + - fragP -> fr_address
- + - fragP -> fr_fix;
- + break;
- +
- + case rs_fill:
- + break;
- +
- + case rs_machine_dependent:
- + md_convert_frag (fragP);
- + /*
- + * After md_convert_frag, we make the frag into a ".space 0".
- + * Md_convert_frag() should set up any fixSs and constants
- + * required.
- + */
- + frag_wane (fragP);
- + break;
- +
- + default:
- + BAD_CASE( fragP -> fr_type );
- + break;
- + } /* switch (fr_type) */
- + } /* for each frag. */
- +
- + subseg_change( SEG_TEXT, 0);
- +
- + fixup_segment (text_fix_root, N_TEXT);
- + fixup_segment (data_fix_root, N_DATA);
- + output_file_create (out_file_name);
- + omf_initialize_a_out(module_name, text_siz, data_siz,
- + (long) local_bss_counter, 0L,
- + flagseen['g'], stab_symbol_count * sizeof(struct nlist),
- + string_byte_count);
- +
- + /* Traverse the symbol chain emitting external symbol definitions
- + * for external, public and common symbols.
- + */
- +
- + for ( symbolP = symbol_rootP; symbolP; symbolP = symbolP -> sy_next )
- + {
- + if (EXTDEF(symbolP->sy_type))
- + {
- + if (COMMDEF(symbolP->sy_type))
- + {
- + omf_start_comdef();
- + omf_comdef(symbolP->sy_name, TD_CNEAR, symbolP->sy_value, 0L);
- + omf_end_comdef();
- + }
- + else
- + omf_extdef(symbolP->sy_name, 0);
- + }
- + }
- +
- + /* Traverse the symbol chain emitting public definitions
- + */
- +
- + for ( symbolP = symbol_rootP; symbolP; symbolP = symbolP -> sy_next )
- + {
- + if (PUBLIC(symbolP->sy_type))
- + {
- + unsigned int group = 0, segment = 0;
- +
- + if (symbolP->sy_type == PUBLICTEXT)
- + segment = SDEF_TEXT;
- + if (symbolP->sy_type == PUBLICDATA)
- + {
- + group = GDEF_DGROUP; segment = SDEF_DATA;
- + }
- +
- + omf_start_pubdef(I386, group, segment, 0);
- + omf_pubdef(I386, symbolP->sy_name, symbolP->sy_value, 0);
- + omf_end_pubdef();
- + }
- + }
- +
- +
- + /* Setup threads for DGROUP and the segments ready for relocation */
- +
- + omf_start_thread(I386);
- + omf_thread(CONST_TGT_THREAD, TARGET_THREAD, FRM_SI, SDEF_CONST);
- + omf_thread(DATA_TGT_THREAD, TARGET_THREAD, FRM_SI, SDEF_DATA);
- + omf_thread(TEXT_TGT_THREAD, TARGET_THREAD, FRM_SI, SDEF_TEXT);
- + omf_thread(BSS_TGT_THREAD, TARGET_THREAD, FRM_SI, SDEF_BSS);
- + omf_thread(TEXT_FRAME_THREAD, FRAME_THREAD, FRM_SI, SDEF_TEXT);
- + omf_thread(DGROUP_FRAME_THREAD, FRAME_THREAD, FRM_GI, GDEF_DGROUP);
- + omf_end_thread();
- +
- + /*
- + * Emit code.
- + */
- +
- + for (fragP = data_frag_root; fragP; fragP = fragP -> fr_next)
- + {
- + register long int count;
- + register char * fill_literal;
- + register long int fill_size;
- + register fixS * fixP;
- + register symbolS * symbolP;
- + int started_fixup;
- +
- + know( fragP -> fr_type == rs_fill );
- +
- + if (fragP->fr_fix != 0 || fragP->fr_offset != 0)
- + {
- + omf_start_ledata(I386, SDEF_DATA, fragP->fr_address);
- + if (fragP->fr_fix != 0)
- + omf_ledata(fragP->fr_literal, (int)fragP->fr_fix);
- + fill_literal = fragP->fr_literal + fragP -> fr_fix;
- + fill_size = fragP->fr_var;
- + count = fragP -> fr_offset;
- + if ((fragP->fr_fix + count * fill_size) < 1016)
- + {
- + for ( ; count; count--)
- + omf_ledata(fill_literal, (int)fill_size);
- + }
- + else /* filling will exceed the 1024 byte record size */
- + {
- + /* This code assumes that fill_size <= 8 bytes.
- + * This is infact the case because of
- + * compatability with other assemblers
- + */
- + register int fcount;
- +
- + fcount = (1016 - fragP->fr_fix) / fill_size;
- + count -= fcount;
- + for ( ; fcount > 0; fcount--)
- + omf_ledata(fill_literal, (int)fill_size);
- +
- + }
- + omf_end_ledata();
- +
- + /* Emit the relocations for this frag
- + */
- +
- + fixP = data_fix_root; started_fixup = 0;
- + for ( ; fixP; fixP = fixP -> fx_next)
- + {
- + if (fixP->fx_frag == fragP && (symbolP = fixP->fx_addsy))
- + {
- + int trgt_thrd, frm_thrd;
- + int external = EXTDEF(symbolP->sy_type);
- +
- + threads(symbolP->sy_type, &trgt_thrd, &frm_thrd);
- + if (fixP->fx_pcrel)
- + frm_thrd = TEXT_FRAME_THREAD;
- +
- + if (!started_fixup)
- + {
- + omf_start_fixup(I386);
- + started_fixup++;
- + }
- + omf_fixup(I386, !fixP->fx_pcrel,
- + nbytes_r_length [fixP->fx_size], fixP->fx_where,
- + external ? 0 : 1,
- + external ? FRM_TRGT : frm_thrd,
- + external ? 0 : 1,
- + external ? TGT_EI : trgt_thrd,
- + 1, /* No offset */
- + 0, /* No frame required */
- + EXTDEF(symbolP->sy_type) ? symbolP->sy_number : 0,
- + 0);
- + }
- + }
- + if (started_fixup)
- + omf_end_fixup();
- +
- + while (count > 0) /* still sum fill data to emit */
- + {
- + unsigned long address;
- + unsigned int len;
- +
- + address = fragP->fr_address + fragP->fr_fix +
- + (fragP->fr_offset - count) * fill_size;
- + omf_start_ledata(I386, SDEF_DATA, address);
- + for ( len = 0; count && (len < 1000); count--, len += fill_size)
- + omf_ledata(fill_literal, (int)fill_size);
- + omf_end_ledata();
- + }
- + }
- + }
- +
- + for (fragP = text_frag_root; fragP; fragP = fragP -> fr_next)
- + {
- + register long int count;
- + register char * fill_literal;
- + register long int fill_size;
- + register fixS * fixP;
- + register symbolS * symbolP;
- + int started_fixup;
- +
- + know( fragP -> fr_type == rs_fill );
- +
- + if (fragP->fr_fix != 0 || fragP->fr_offset != 0)
- + {
- + omf_start_ledata(I386, SDEF_TEXT, fragP->fr_address);
- + if (fragP->fr_fix != 0)
- + omf_ledata(fragP->fr_literal, (int)fragP->fr_fix);
- + fill_literal = fragP->fr_literal + fragP -> fr_fix;
- + fill_size = fragP->fr_var;
- + for (count = fragP -> fr_offset; count; count --)
- + omf_ledata(fill_literal, (int)fill_size);
- + omf_end_ledata();
- +
- + /* Emit the relocations for this frag
- + */
- +
- + fixP = text_fix_root; started_fixup = 0;
- + for ( ; fixP; fixP = fixP -> fx_next)
- + {
- + if (fixP->fx_frag == fragP && (symbolP = fixP->fx_addsy))
- + {
- + int trgt_thrd, frm_thrd;
- + int external = EXTDEF(symbolP->sy_type);
- +
- + threads(symbolP->sy_type, &trgt_thrd, &frm_thrd);
- + if (fixP->fx_pcrel)
- + frm_thrd = TEXT_FRAME_THREAD;
- +
- + if (!started_fixup)
- + {
- + omf_start_fixup(I386);
- + started_fixup++;
- + }
- + omf_fixup(I386, !fixP->fx_pcrel,
- + nbytes_r_length [fixP->fx_size], fixP->fx_where,
- + external ? 0 : 1,
- + external ? FRM_TRGT : frm_thrd,
- + external ? 0 : 1,
- + external ? TGT_EI : trgt_thrd,
- + 1, /* No offset */
- + 0, /* No frame required */
- + external ? symbolP->sy_number : 0,
- + 0);
- + }
- + }
- + if (started_fixup)
- + omf_end_fixup();
- + }
- + }
- +
- + /* Traverse the symbol chain emitting stabs.
- + */
- +
- + #define VAL_OFF offsetof(struct nlist, n_value)
- +
- + if (flagseen['g'] && stab_symbol_count)
- + {
- + long count = 0, ncount = 0;
- + symbolS *last_startP;
- + char *temp;
- + symbolS *fsymP;
- + int i;
- + int start_fixup = 0;
- +
- + omf_start_ledata(I386, SDEF_SYMBOLS, 0);
- + last_startP = symbol_rootP;
- + for (symbolP = symbol_rootP; symbolP; symbolP = symbolP -> sy_next)
- + {
- + if (symbolP->sy_nlist.n_type & N_STAB)
- + {
- + if ((ncount + 1) * sizeof(struct nlist) >= 1016)
- + {
- + omf_end_ledata();
- +
- + /* emit relocations */
- +
- + start_fixup = 0;
- + for (i = 0, fsymP=last_startP; i < ncount; fsymP=fsymP->sy_next)
- + {
- + if (fsymP->sy_nlist.n_type & N_STAB)
- + {
- + if (fsymP->sy_type & N_TYPE) /* if relocation required */
- + {
- + int trgt_thrd, frm_thrd;
- + int external = EXTDEF(fsymP->sy_type & N_TYPE);
- +
- + threads(fsymP->sy_type & N_TYPE,&trgt_thrd,&frm_thrd);
- + if (!start_fixup)
- + {
- + omf_start_fixup(I386);
- + start_fixup++;
- + }
- + omf_fixup(I386, 1, /* segment relative */
- + LOC_OFFSET32, i * sizeof(struct nlist) + VAL_OFF,
- + external ? 0 : 1,
- + external ? FRM_TRGT : frm_thrd,
- + external ? 0 : 1,
- + external ? TGT_EI : trgt_thrd,
- + 1, /* No offset */
- + 0, /* No frame required */
- + external ? fsymP->sy_number : 0,
- + 0);
- + }
- + i++;
- + }
- + }
- + if (start_fixup)
- + omf_end_fixup();
- +
- + /* start new segment */
- +
- + ncount = 0; last_startP = symbolP;
- + omf_start_ledata(I386, SDEF_SYMBOLS, count*sizeof(struct nlist));
- + }
- + temp = symbolP->sy_nlist.n_un.n_name;
- + symbolP->sy_nlist.n_un.n_strx = symbolP->sy_name_offset;
- + omf_ledata(&(symbolP->sy_nlist), sizeof(struct nlist));
- + symbolP->sy_nlist.n_un.n_name = temp;
- + ncount++; count++;
- + }
- + }
- + omf_end_ledata();
- + start_fixup = 0;
- + for (i = 0, fsymP = last_startP; i < ncount; fsymP = fsymP->sy_next)
- + {
- + if (fsymP->sy_nlist.n_type & N_STAB)
- + {
- + if (fsymP->sy_type & N_TYPE) /* if relocation required */
- + {
- + int trgt_thrd, frm_thrd;
- + int external = EXTDEF(fsymP->sy_type & N_TYPE);
- +
- + threads(fsymP->sy_type & N_TYPE,&trgt_thrd,&frm_thrd);
- + if (!start_fixup)
- + {
- + omf_start_fixup(I386);
- + start_fixup++;
- + }
- + omf_fixup(I386, 1, /* segment relative */
- + LOC_OFFSET32, i * sizeof(struct nlist) + VAL_OFF,
- + external ? 0 : 1,
- + external ? FRM_TRGT : frm_thrd,
- + external ? 0 : 1,
- + external ? TGT_EI : trgt_thrd,
- + 1, /* No offset */
- + 0, /* No frame required */
- + external ? fsymP->sy_number : 0,
- + 0);
- + }
- + i++;
- + }
- + }
- + if (start_fixup)
- + omf_end_fixup();
- +
- + count = sizeof(string_byte_count); ncount = count;
- + omf_start_ledata(I386, SDEF_TYPES, 0);
- + omf_ledata(&string_byte_count, sizeof(string_byte_count));
- + for (symbolP = symbol_rootP; symbolP; symbolP = symbolP -> sy_next)
- + {
- + if (symbolP->sy_nlist.n_type & N_STAB && symbolP -> sy_name)
- + {
- + int len = strlen(symbolP -> sy_name) + 1;
- +
- + if (ncount + len > 1016)
- + {
- + omf_end_ledata();
- + omf_start_ledata(I386, SDEF_TYPES, count);
- + ncount = 0;
- + }
- + omf_ledata(symbolP->sy_name, len);
- + count += len; ncount += len;
- + }
- + }
- + omf_end_ledata();
- + }
- +
- +
- + omf_modend(I386);
- + output_file_close (out_file_name);
- +
- + } /* write_object_file() */
- *** gas-1.38/read.c Tue Oct 30 13:42:03 1990
- --- read.c Wed Jul 10 12:53:36 1991
- ***************
- *** 711,717 ****
- int length;
-
- /* Some assemblers tolerate immediately following '"' */
- ! if ( s = demand_copy_string( & length ) ) {
- new_logical_line (s, -1);
- demand_empty_rest_of_line();
- }
- --- 711,718 ----
- int length;
-
- /* Some assemblers tolerate immediately following '"' */
- ! if ( s = demand_copy_C_string( & length ) ) {
- ! module_name = s;
- new_logical_line (s, -1);
- demand_empty_rest_of_line();
- }
- ***************
- *** 1697,1703 ****
- void /* JF was static, but can't be if VAX.C is goning to use it */
- float_cons(float_type) /* Worker to do .float etc statements. */
- /* Clobbers input_line-pointer, checks end-of-line. */
- ! register float_type; /* 'f':.ffloat ... 'F':.float ... */
- {
- register char * p;
- register char c;
- --- 1698,1704 ----
- void /* JF was static, but can't be if VAX.C is goning to use it */
- float_cons(float_type) /* Worker to do .float etc statements. */
- /* Clobbers input_line-pointer, checks end-of-line. */
- ! register int float_type; /* 'f':.ffloat ... 'F':.float ... */
- {
- register char * p;
- register char c;
- *** gas-1.38/subsegs.c Thu Oct 11 11:26:23 1990
- --- subsegs.c Wed Jul 10 09:02:02 1991
- ***************
- *** 96,102 ****
- --- 96,106 ----
- know( SEG_MAXIMUM_ORDINAL == SEG_DIFFERENCE );
- know( seg_name [(int) SEG_MAXIMUM_ORDINAL + 1] [0] == 0 );
-
- + #ifdef M_XENIX
- + obstack_begin( &frags, 1000);
- + #else
- obstack_begin( &frags, 5000);
- + #endif /* M_XENIX */
- frchain_root = NULL;
- frchain_now = NULL; /* Warn new_subseg() that we are booting. */
- /* Fake up 1st frag. */
- *** gas-1.38/write.c Thu Oct 11 11:26:15 1990
- --- write.c Wed Jul 10 09:06:47 1991
- ***************
- *** 38,43 ****
- --- 38,46 ----
- #include "write.h"
- #include "symbols.h"
-
- + static relax_addressT relax_align();
- +
- + #ifndef M_XENIX
- #ifdef SPARC
- #include "sparc.h"
- #endif
- ***************
- *** 93,103 ****
-
- static void relax_segment();
- void emit_segment();
- - static relax_addressT relax_align();
- static long int fixup_segment();
- #if !defined(SPARC) && !defined(I860)
- static void emit_relocations();
- #endif
- /*
- * fix_new()
- *
- --- 96,107 ----
-
- static void relax_segment();
- void emit_segment();
- static long int fixup_segment();
- #if !defined(SPARC) && !defined(I860)
- static void emit_relocations();
- #endif
- +
- + #endif /* M_XENIX */
- /*
- * fix_new()
- *
- ***************
- *** 146,151 ****
- --- 150,156 ----
- * seg_fix_rootP = fixP;
- }
-
- + #ifndef M_XENIX
- void
- write_object_file()
- {
- ***************
- *** 683,688 ****
- --- 688,694 ----
- VMS_write_object_file(text_siz, data_siz, text_frag_root, data_frag_root);
- #endif /* VMS */
- } /* write_object_file() */
- + #endif /* M_XENIX */
-
- /*
- * relax_segment()
- ***************
- *** 697,703 ****
- --- 703,711 ----
- * these frag addresses may not be the same as final object-file addresses.
- */
- #ifndef VMS
- + #ifndef M_XENIX
- static
- + #endif /* not M_XENIX */
- #endif /* not VMS */
- void
- relax_segment (segment_frag_root, segment_type)
- ***************
- *** 1010,1016 ****
- /*
- * fixup_segment()
- */
- ! static long int
- fixup_segment (fixP, this_segment_type)
- register fixS * fixP;
- int this_segment_type; /* N_TYPE bits for segment. */
- --- 1018,1027 ----
- /*
- * fixup_segment()
- */
- ! #ifndef M_XENIX
- ! static
- ! #endif /* not M_XENIX */
- ! long int
- fixup_segment (fixP, this_segment_type)
- register fixS * fixP;
- int this_segment_type; /* N_TYPE bits for segment. */
- ***************
- *** 1137,1142 ****
- --- 1148,1156 ----
- } /* if there was a + symbol */
- if (pcrel)
- {
- + #ifdef M_XENIX
- + if (add_symbol_N_TYPE != N_UNDF)
- + #endif
- add_number -=
- #ifndef NS32K
- size +
- ***************
- *** 1184,1189 ****
- --- 1198,1204 ----
- } /* fixup_segment() */
-
-
- + #ifndef M_XENIX
- /* The sparc needs its own emit_relocations() */
- #if !defined(SPARC) && !defined(I860)
- /*
- ***************
- *** 1244,1249 ****
- --- 1259,1265 ----
-
- }
- #endif
- + #endif /* M_XENIX */
-
- int
- is_dnrange(f1,f2)
- *** gas-1.38/xenixomf.c
- --- xenixomf.c Wed Jul 10 09:02:18 1991
- ***************
- *** 0 ****
- --- 1,660 ----
- + #include <string.h>
- + #include <stdio.h>
- + #include "xenixomf.h"
- + #include "msomf.h"
- +
- + #ifdef M_XENIX
- + # undef i386
- + #endif
- +
- + #define MAXRECORDSIZE (14 * 1024) /* 1k data => 1024 fixups */
- + #define I386 1
- +
- + extern char *out_file_name;
- +
- + static char chksum = 0;
- + static unsigned char recordbuff[MAXRECORDSIZE];
- + static unsigned char *record_ptr;
- +
- + static void copy_bytes_to_record(p, count)
- + unsigned char *p;
- + int count;
- + {
- + while (count--)
- + {
- + *record_ptr++ = *p;
- + chksum += *p++;
- + }
- + }
- +
- + static void start_record(type)
- + unsigned char type;
- + {
- + chksum = 0;
- + record_ptr = recordbuff;
- + copy_bytes_to_record(&type, 1);
- + record_ptr += 2; /* leave space for the record size */
- + }
- +
- + static void output_record()
- + {
- + int length;
- + unsigned char b;
- +
- + length = (record_ptr - recordbuff) + 1; /* 1 for chksum */
- +
- + /* patch the record length into the header and put -chksum
- + * at the end of the record.
- + */
- +
- + b = (length - 3) & 0xff; /* -3 as record length excludes type + len */
- + chksum += b; recordbuff[1] = b;
- + b = ((length - 3) >> 8) & 0xff;
- + chksum += b; recordbuff[2] = b;
- + *record_ptr = (unsigned char)(-chksum);
- +
- + output_file_append (recordbuff, length, out_file_name);
- + }
- +
- + static void copy_string_to_record(s)
- + char *s;
- + {
- + unsigned char len;
- +
- + len = strlen(s);
- + if (len > OMFNAMELENGTH)
- + {
- + char tname[OMFNAMELENGTH+2];
- +
- + strncpy(tname, s, OMFNAMELENGTH);
- + tname[OMFNAMELENGTH] = '\0';
- + fprintf(stderr, "Identifier truncated to %s (%d chars)\n",
- + tname, OMFNAMELENGTH);
- + len = OMFNAMELENGTH;
- + copy_bytes_to_record(&len, 1);
- + copy_bytes_to_record(s, OMFNAMELENGTH);
- + }
- + else
- + {
- + copy_bytes_to_record(&len, 1);
- + if (len > 0)
- + copy_bytes_to_record(s, len);
- + }
- + }
- +
- + static void copy_index_to_record(index)
- + unsigned int index;
- + {
- + unsigned char b;
- +
- + if (index < 128)
- + {
- + b = (unsigned char)(index & 0xff);
- + copy_bytes_to_record(&b, 1);
- + }
- + else
- + {
- + b = (unsigned char)(((index >> 8) & 0xff) | 0x80);
- + copy_bytes_to_record(&b, 1);
- + b = (unsigned char)(index & 0xff);
- + copy_bytes_to_record(&b, 1);
- + }
- + }
- +
- + static void copy_vint_to_record(value, count)
- + long value;
- + int count;
- + {
- + unsigned char b;
- +
- + while (count--)
- + {
- + b = (unsigned char)(value & 0xff);
- + copy_bytes_to_record(&b, 1);
- + value >>= 8;
- + }
- + }
- +
- + static void copy_word_to_record(value)
- + unsigned int value;
- + {
- + copy_vint_to_record((long)value, 2);
- + }
- +
- + static void copy_offset_to_record(i386, value)
- + int i386;
- + long value;
- + {
- + copy_vint_to_record(value, i386 ? 4 : 2);
- + }
- +
- + static void copy_comsize_to_record(value)
- + long value;
- + {
- + unsigned char b;
- +
- + if (value < 128)
- + copy_vint_to_record((long)value, 1);
- + else if (value < 65536L)
- + {
- + b = 0x81;
- + copy_bytes_to_record(&b, 1);
- + copy_vint_to_record((long)value, 2);
- + }
- + else if (value < 16777216L)
- + {
- + b = 0x84;
- + copy_bytes_to_record(&b, 1);
- + copy_vint_to_record((long)value, 3);
- + }
- + else
- + {
- + b = 0x88;
- + copy_bytes_to_record(&b, 1);
- + copy_vint_to_record((long)value, 4);
- + }
- +
- + }
- +
- + void omf_theadr(name)
- + unsigned char *name;
- + {
- + start_record(MTHEADR);
- + copy_string_to_record(name);
- + output_record();
- + }
- +
- + void omf_coment(p, count, class)
- + unsigned char *p;
- + int count;
- + unsigned char class;
- + {
- + unsigned char attrib;
- +
- + start_record(MCOMENT);
- + attrib = 0; /* Purge and List attributes */
- + copy_bytes_to_record(&attrib, 1);
- + copy_bytes_to_record(&class, 1);
- + copy_bytes_to_record(p, count);
- + output_record();
- + }
- +
- + void omf_extdef(name, type)
- + unsigned char *name;
- + {
- + start_record(MEXTDEF);
- + copy_string_to_record(name);
- + copy_bytes_to_record(&type, 1);
- + output_record();
- + }
- +
- + void omf_start_pubdef(i386, group, segment, frame)
- + int i386;
- + int group, segment, frame;
- + {
- + if (i386)
- + start_record(MPUB386);
- + else
- + start_record(MPUBDEF);
- +
- + copy_index_to_record(group);
- + copy_index_to_record(segment);
- + if (group == 0 && segment == 0)
- + copy_word_to_record(frame);
- + }
- +
- + void omf_pubdef(i386, name, offset, type)
- + int i386;
- + unsigned char *name;
- + int type;
- + long offset;
- + {
- + copy_string_to_record(name);
- + copy_offset_to_record(i386, offset);
- + copy_index_to_record(type);
- + }
- +
- + void omf_end_pubdef()
- + {
- + output_record();
- + }
- +
- + void omf_start_lnames()
- + {
- + start_record(MLNAMES);
- + }
- +
- + void omf_lnames(name)
- + unsigned char *name;
- + {
- + copy_string_to_record(name);
- + }
- +
- + void omf_end_lnames()
- + {
- + output_record();
- + }
- +
- + void omf_segdef(i386, acbp, frame, offset, seglen, segname, segclass)
- + int i386;
- + unsigned char acbp;
- + unsigned int frame;
- + unsigned int offset;
- + long seglen;
- + unsigned int segname, segclass;
- + {
- + unsigned int ovlindex = 0;
- + if (i386)
- + start_record(MSEG386);
- + else
- + start_record(MSEGDEF);
- +
- + copy_bytes_to_record(&acbp, 1);
- + if ((acbp & SD_ALIGN) == SD_ABS)
- + {
- + copy_word_to_record(frame);
- + copy_word_to_record(offset); /* should be byte - Fix Me */
- + }
- + copy_offset_to_record(i386, seglen);
- + copy_index_to_record(segname);
- + copy_index_to_record(segclass);
- + copy_index_to_record(ovlindex);
- + output_record();
- + }
- +
- + void omf_start_grpdef(grpname)
- + unsigned int grpname;
- + {
- + start_record(MGRPDEF);
- + copy_index_to_record(grpname);
- + }
- +
- + void omf_grpdef(segindex)
- + unsigned int segindex;
- + {
- + unsigned char b = 0xff;
- +
- + copy_bytes_to_record(&b, 1);
- + copy_index_to_record(segindex);
- + }
- +
- + void omf_end_grpdef()
- + {
- + output_record();
- + }
- +
- + void omf_start_comdef()
- + {
- + start_record(MCOMDEF);
- + }
- +
- + void omf_comdef(name, dataseg_type, length, el_size)
- + unsigned char *name;
- + unsigned char dataseg_type;
- + {
- + unsigned char type = 0;
- +
- + copy_string_to_record(name);
- + copy_bytes_to_record(&type, 1);
- + copy_bytes_to_record(&dataseg_type, 1);
- +
- + copy_comsize_to_record(length);
- + if (dataseg_type == TD_CFAR)
- + {
- + copy_comsize_to_record(el_size);
- + }
- + }
- +
- + void omf_end_comdef()
- + {
- + output_record();
- + }
- +
- + void omf_start_linnum(i386, segindex)
- + {
- + unsigned char grpindex = 0;
- +
- + if (i386)
- + start_record(MLIN386);
- + else
- + start_record(MLINNUM);
- +
- + copy_bytes_to_record(&grpindex, 1);
- + copy_index_to_record(segindex);
- + }
- +
- + void omf_linnum(i386, line, offset)
- + int i386;
- + unsigned int line;
- + long offset;
- + {
- + copy_word_to_record(line);
- + copy_offset_to_record(i386, offset);
- + }
- +
- + void omf_end_linnum()
- + {
- + output_record();
- + }
- +
- + void omf_start_thread(i386)
- + {
- + if (i386)
- + start_record(MFIX386);
- + else
- + start_record(MFIXUPP);
- + }
- +
- + void omf_thread(thread, framethread, method, index)
- + unsigned char thread;
- + int framethread;
- + unsigned char method;
- + unsigned int index;
- + {
- + unsigned char thread_data;
- +
- + thread_data = thread | (method << TRD_MTHDSHFT);
- + if (framethread)
- + thread_data |= TRD_FRAME;
- + copy_bytes_to_record(&thread_data, 1);
- +
- + if (framethread)
- + {
- + switch (method)
- + {
- + case FRM_SI:
- + case FRM_GI:
- + case FRM_EI:
- + case FRM_ABS:
- + copy_index_to_record(index);
- + break;
- + case FRM_LOC:
- + case FRM_TRGT:
- + break;
- + }
- + }
- + else
- + copy_index_to_record(index);
- + }
- +
- + void omf_end_thread()
- + {
- + output_record();
- + }
- +
- + void omf_start_fixup(i386)
- + {
- + if (i386)
- + start_record(MFIX386);
- + else
- + start_record(MFIXUPP);
- + }
- +
- + static void generate_fixdat(i386, f_thrd, frame, t_thrd, trgt, t_sec,
- + frame_index, target_index, offset)
- + int i386;
- + int f_thrd;
- + unsigned int frame;
- + int t_thrd;
- + unsigned int trgt;
- + int t_sec;
- + unsigned int frame_index, target_index;
- + long offset;
- + {
- + unsigned char fixdat, b;
- +
- + fixdat = (f_thrd ? FIXDAT_FTHRD : 0) | (frame << FIXDAT_FRSHFT);
- + fixdat |= (t_thrd ? FIXDAT_TTHRD : 0) | trgt | (t_sec ? FIXDAT_TSCND:0);
- + copy_bytes_to_record(&fixdat, 1);
- +
- + if (!f_thrd)
- + {
- + switch (frame)
- + {
- + case FRM_SI:
- + case FRM_GI:
- + case FRM_EI:
- + case FRM_ABS:
- + copy_index_to_record(frame_index);
- + break;
- + case FRM_LOC:
- + case FRM_TRGT:
- + break;
- + }
- + }
- +
- + if (!t_thrd)
- + copy_index_to_record(target_index);
- +
- + if (!t_sec)
- + copy_offset_to_record(i386, offset);
- + }
- +
- + void omf_fixup(i386, segrel, loc, data_off, f_thrd, frame, t_thrd, trgt, t_sec,
- + frame_index, target_index, offset)
- + int i386, segrel;
- + unsigned char loc;
- + unsigned int data_off;
- + int f_thrd;
- + unsigned int frame;
- + int t_thrd;
- + unsigned int trgt;
- + int t_sec;
- + unsigned int frame_index, target_index;
- + long offset;
- + {
- + unsigned int locat = 0x8000;
- + unsigned char fixdat, b;
- +
- + locat |= (segrel ? FIX_SEG : 0) | (loc << FIX_LOCSHFT) |
- + (data_off & FIX_DATAOFF);
- + b = (locat >> 8) & 0xff; copy_bytes_to_record(&b, 1);
- + b = locat & 0xff; copy_bytes_to_record(&b, 1);
- + generate_fixdat(i386, f_thrd, frame, t_thrd, trgt, t_sec, frame_index,
- + target_index, offset);
- + }
- +
- + void omf_end_fixup()
- + {
- + output_record();
- + }
- +
- + void omf_start_ledata(i386, segindex, start_offset)
- + int i386;
- + unsigned int segindex;
- + long start_offset;
- + {
- + if (i386)
- + start_record(MLED386);
- + else
- + start_record(MLEDATA);
- +
- + copy_index_to_record(segindex);
- + copy_offset_to_record(i386, start_offset);
- + }
- +
- + void omf_ledata(data, count)
- + unsigned char *data;
- + int count;
- + {
- + copy_bytes_to_record(data, count);
- +
- + }
- +
- + void omf_end_ledata()
- + {
- + output_record();
- + }
- +
- + void omf_main_modend(i386, f_thrd, frame, t_thrd, trgt, t_sec, frame_index,
- + target_index, offset)
- + int i386;
- + int f_thrd;
- + unsigned int frame;
- + int t_thrd;
- + unsigned int trgt;
- + int t_sec;
- + unsigned int frame_index, target_index;
- + long offset;
- + {
- + unsigned char mtype = 0xc1;
- +
- + if (i386)
- + start_record(M386END);
- + else
- + start_record(MMODEND);
- +
- + copy_bytes_to_record(&mtype, 1);
- +
- + generate_fixdat(i386, f_thrd, frame, t_thrd, trgt, t_sec, frame_index,
- + target_index, offset);
- + output_record();
- + }
- +
- + void omf_modend(i386)
- + int i386;
- + {
- + unsigned char mtype = 0;
- +
- + if (i386)
- + start_record(M386END);
- + else
- + start_record(MMODEND);
- +
- + copy_bytes_to_record(&mtype, 1);
- + output_record();
- + }
- +
- + /** Definitions required to produce a standard Microsoft .o file
- + */
- +
- + /** LNAMES, SEGDEF, GRPDEF and COMENT stuff
- + *
- + * NB the following defines must reflect the position of the string in
- + * the lnames_tab table.
- + */
- +
- + #define L_BLANK 1
- + #define L_DGROUP 2
- + #define L_UTEXT 3
- + #define L_CODE 4
- + #define L_UDATA 5
- + #define L_DATA 6
- + #define L_CONST 7
- + #define L_UBSS 8
- + #define L_BSS 9
- + #define L_TYPES 10
- + #define L_DEBTYP 11
- + #define L_SYMBOLS 12
- + #define L_DEBSYM 13
- + #define L_TSIZE 9
- + #define L_G_TSIZE 13
- +
- + char *lnames_tab[] = {
- + "",
- + "",
- + "DGROUP",
- + "_TEXT",
- + "CODE",
- + "_DATA",
- + "DATA",
- + "CONST",
- + "_BSS",
- + "BSS",
- + "$$TYPES",
- + "DEBTYP",
- + "$$SYMBOLS",
- + "DEBSYM"
- + };
- +
- + struct segtable {
- + unsigned char attrib;
- + long length;
- + unsigned nameindex;
- + unsigned classindex;
- + };
- +
- + /* SEGDEF's */
- +
- + static struct segtable segt[] = {
- + {0, NULL, 0, 0},
- + {SD_DWORD|SD_PUBLIC|SD_PGRES, 0, L_UTEXT, L_CODE},
- + {SD_DWORD|SD_PUBLIC|SD_PGRES, 0, L_UDATA, L_DATA},
- + {SD_DWORD|SD_PUBLIC|SD_PGRES, 0, L_CONST, L_CONST},
- + {SD_DWORD|SD_PUBLIC|SD_PGRES, 0, L_UBSS, L_BSS},
- + {SD_BYTE|SD_PGRES, 0, L_SYMBOLS, L_DEBSYM},
- + {SD_BYTE|SD_PGRES, 0, L_TYPES, L_DEBTYP}
- + };
- +
- + /* GRPDEF */
- +
- + #define GRPTABSIZ 3
- +
- + unsigned int group_tab[GRPTABSIZ] = {3, 4, 2};
- +
- + /* COMENTs */
- +
- + struct comment {
- + unsigned char class;
- + unsigned char count;
- + unsigned char *data;
- + };
- +
- + #define NUMFIXEDCOMMENTS 4
- +
- + static unsigned char gas_comment[] = "gas-1.38.1a";
- + static unsigned char lib_comment[] = "SLIBCE";
- + static unsigned char model_comment[] = "3s";
- + static unsigned char msext_comment[] = {1, 0x43, 0x56};
- +
- + struct comment fix_cmnt[NUMFIXEDCOMMENTS] = {
- + {0, 8, gas_comment},
- + {0x9f, 6, lib_comment},
- + {0x9d, 2, model_comment},
- + {0xa1, 3, msext_comment}
- + };
- +
- + void omf_initialize_a_out(name, text_size, data_size, bss_size, const_size,
- + gdb, syms_size, str_size)
- + unsigned char *name;
- + long text_size, data_size, bss_size, const_size;
- + int gdb;
- + long syms_size, str_size;
- + {
- + int i;
- +
- + omf_theadr(name);
- +
- + /* static comments */
- +
- + for (i = 0; i < NUMFIXEDCOMMENTS; i++)
- + omf_coment(fix_cmnt[i].data, fix_cmnt[i].count, fix_cmnt[i].class);
- +
- + /* LNAMES */
- +
- + omf_start_lnames();
- + for (i = 1; i <= (gdb ? L_G_TSIZE : L_TSIZE); i++)
- + omf_lnames(lnames_tab[i]);
- + omf_end_lnames();
- +
- + /* SEGDEFS */
- +
- + segt[SDEF_TEXT].length = text_size;
- + segt[SDEF_DATA].length = data_size;
- + segt[SDEF_BSS].length = bss_size;
- + segt[SDEF_CONST].length = const_size;
- + if (gdb)
- + {
- + segt[SDEF_SYMBOLS].length = syms_size;
- + segt[SDEF_TYPES].length = str_size;
- + }
- + for (i = 1; i <= (gdb ? SDEF_G_SIZE : SDEF_SIZE); i++)
- + omf_segdef(I386, segt[i].attrib, 0, 0L, segt[i].length,
- + segt[i].nameindex, segt[i].classindex);
- + /* DGROUP */
- +
- + omf_start_grpdef(L_DGROUP);
- + for (i = 0; i < GRPTABSIZ; i++)
- + omf_grpdef(group_tab[i]);
- + omf_end_grpdef();
- + }
- *** gas-1.38/xenixomf.h
- --- xenixomf.h Wed Jul 10 09:02:21 1991
- ***************
- *** 0 ****
- --- 1,140 ----
- +
- + /* Defines to map a.out definitions to OMF style definitions
- + */
- + #define PUBLICDATA (N_DATA|N_EXT)
- + #define PUBLICTEXT (N_TEXT|N_EXT)
- + #define PUBLICABS (N_ABS|N_EXT)
- + #define COMMDEF(x) ((x) == (N_UNDF|N_EXT))
- + #define PRIVDATA (N_DATA)
- + #define PRIVTEXT (N_TEXT)
- + #define PRIVBSS (N_BSS)
- + #define EXTERNAL (N_UNDF)
- + #define PUBLIC(x) ((x)==PUBLICDATA || (x)==PUBLICTEXT || (x)==PUBLICABS)
- + #define EXTDEF(x) ((x)==EXTERNAL || COMMDEF(x))
- + #define PRIVATE(x) ((x)==PRIVDATA || (x)==PRIVTEXT || (x)==PRIVBSS)
- +
- +
- + #define MTHEADR 0x80 /* module header */
- + #define MCOMENT 0x88 /* comment */
- + #define MMODEND 0x8a /* module end */
- + #define M386END 0x8b /* 32 bit module end */
- + #define MEXTDEF 0x8c /* external definition */
- + #define MTYPDEF 0x8e /* type definition */
- + #define MPUBDEF 0x90 /* public definition */
- + #define MPUB386 0x91 /* 32 bit public definition */
- + #define MLINNUM 0x94 /* source line number */
- + #define MLIN386 0x95 /* 32 bit source line number */
- + #define MLNAMES 0x96 /* name list */
- + #define MSEGDEF 0x98 /* segment definition */
- + #define MSEG386 0x99 /* 32 bit segment definition */
- + #define MGRPDEF 0x9a /* group definition */
- + #define MFIXUPP 0x9c /* fix up previous data image */
- + #define MFIX386 0x9d /* fix up previous 32 bit data image */
- + #define MLEDATA 0xa0 /* logical data image */
- + #define MLED386 0xa1 /* 32 bit logical data image */
- + #define MCOMDEF 0xb0 /* communal names definition */
- +
- + /* The maximum length of an identifier.
- + */
- +
- + #define OMFNAMELENGTH 127
- +
- + /* alignment required
- + */
- +
- + #define SD_ABS 0x00 /* absolute */
- + #define SD_BYTE 0x20 /* byte */
- + #define SD_WORD 0x40 /* word */
- + #define SD_PARA 0x60 /* paragraph */
- + #define SD_PAGE 0x80 /* page */
- + #define SD_DWORD 0xa0 /* double word */
- + #define SD_LTL 0xc0 /* load-time locatable */
- + #define SD_ALIGN 0xe0 /* alignment mask */
- + #define SD_ASHIFT 5 /* alignment shift */
- +
- + /* segment combine classes */
- +
- + #define SD_PRIV 0x00 /* private, can't be combined */
- + #define SD_HCOMM 0x04 /* common, place in high mem */
- + #define SD_PUBLIC 0x08 /* public, sequential */
- + #define SD_BAD 0x0c /* undefined */
- + #define SD_C4 0x10 /* not used */
- + #define SD_STACK 0x14 /* stack segment */
- + #define SD_COMM 0x18 /* common segment */
- + #define SD_RCOMM 0x1c /* not used, reverse common segment */
- + #define SD_COMBO 0x1c /* combine mask */
- + #define SD_CSHIFT 2 /* combine shift */
- + #define SD_PGRES 0x01 /* page resident */
- + #define SD_64K 0x02 /* segment size is exactly 64k */
- +
- + /* BSSDEF record definitions
- + */
- +
- + #define TD_CNEAR 0x62 /* near .comm variable */
- + #define TD_CFAR 0x61 /* far .comm variable */
- +
- + /* COMENT record definitions
- + */
- +
- + #define CMT_PURGE 0x80 /* comment can be purged */
- + #define CMT_LIST 0x40 /* don't list when listing comments */
- +
- + /* FIXUP record definitions
- + */
- +
- + #define FIX_FIXUP 0x80 /* fixup is a fixup (else thread def) */
- + #define TRD_FRAME 0x40 /* thread def for a frame (else tgt) */
- + #define TRD_MTHDSHFT 2 /* frame / target method shift */
- + #define TRD_MTHDMSK 0x1c /* frame / target method mask */
- + #define TRD_THRED 0x03 /* thread number mask */
- +
- + /* Target method defines. 0 - 3 are primary, they include an offset, while
- + * 4 - 7 or secondary, the offset 0 and not specified.
- + */
- +
- + #define TGT_SI 0 /* target is Segment Index(N) + M */
- + #define TGT_GI 1 /* target is Group Index(N) + M */
- + #define TGT_EI 2 /* target is External Index(N) + M */
- + #define TGT_ABS 3 /* target is absolute frame N + N */
- + #define TGT_SI_0 4 /* target is Segment Index(N) + 0 */
- + #define TGT_GI_0 5 /* target is Group Index(N) + 0 */
- + #define TGT_EI_0 6 /* target is External Index(N) + 0 */
- + #define TGT_ABS_0 7 /* target is Absolute Segmnent N + 0 */
- +
- + /* Frame fixup method
- + */
- +
- + #define FRM_SI 0 /* Frame is Segment index(N) */
- + #define FRM_GI 1 /* Frame is Group index(N) */
- + #define FRM_EI 2 /* Frame is External index(N) */
- + #define FRM_ABS 3 /* Frame is Absolute frame(N) */
- + #define FRM_LOC 4 /* Frame is LSEG of LOCATION */
- + #define FRM_TRGT 5 /* Frame is the frame of the target */
- +
- + /* FIXUP fixdat field definitions
- + */
- +
- + #define FIX_SEG 0x4000 /* Fixup is seg relative (else self) */
- + #define FIX_24BIT 0x2000 /* Fixup has 24b tgt disp (NOT USED) */
- + #define FIX_LOCMSK 0x3c00 /* Fixup location type mask */
- + #define FIX_LOCSHFT 10 /* Fixup location type shift */
- + #define FIX_DATAOFF 0x3ff /* location in prev data rec of fixup */
- + #define FIXDAT_FTHRD 0x80 /* Fixup frame by thread else direct */
- + #define FIXDAT_FRAME 0x70 /* Frame thread or method mask */
- + #define FIXDAT_FRSHFT 4 /* Frame thread or method shift */
- + #define FIXDAT_TTHRD 0x08 /* Fixup target by thread else direct */
- + #define FIXDAT_TSCND 0x04 /* Primary or secondary target method */
- + #define FIXDAT_TRGT 0x03 /* Target thread or method mask */
- +
- + /* Location type definitions
- + */
- +
- + #define LOC_LOBYTE 0 /* low 8 bits */
- + #define LOC_OFFSET 1 /* 16 bit offset */
- + #define LOC_BASE 2 /* 16 bit frame number */
- + #define LOC_POINTER 3 /* 32 bit pointer */
- + #define LOC_HIBTE 4 /* second 8 bits */
- + #define LOC_OFFSETL 5 /* 16 bit offset (liner resolved) */
- + #define LOC_OFFSET32 9 /* 32 bit offset */
- + #define LOC_POINTER48 11 /* 48 bit pointer */
- + #define LOC_OFFSETL32 13 /* 32 bit offset (liner resolved) */
-
-