1999-05-03 09:29:11 +02:00
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/* input_scrub.c - Break up input buffers into whole numbers of lines.
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2015-01-01 15:15:26 +01:00
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Copyright (C) 1987-2015 Free Software Foundation, Inc.
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1999-05-03 09:29:11 +02:00
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-07-03 13:01:12 +02:00
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the Free Software Foundation; either version 3, or (at your option)
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1999-05-03 09:29:11 +02:00
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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2005-05-05 11:13:19 +02:00
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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1999-05-03 09:29:11 +02:00
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#include "as.h"
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2011-02-28 19:32:52 +01:00
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#include "filenames.h"
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1999-05-03 09:29:11 +02:00
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#include "input-file.h"
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#include "sb.h"
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#include "listing.h"
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/*
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* O/S independent module to supply buffers of sanitised source code
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* to rest of assembler. We get sanitised input data of arbitrary length.
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* We break these buffers on line boundaries, recombine pieces that
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* were broken across buffers, and return a buffer of full lines to
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* the caller.
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* The last partial line begins the next buffer we build and return to caller.
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2003-10-27 13:45:17 +01:00
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* The buffer returned to caller is preceded by BEFORE_STRING and followed
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1999-05-03 09:29:11 +02:00
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* by AFTER_STRING, as sentinels. The last character before AFTER_STRING
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* is a newline.
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* Also looks after line numbers, for e.g. error messages.
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*/
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/*
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* We don't care how filthy our buffers are, but our callers assume
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* that the following sanitation has already been done.
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*
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* No comments, reduce a comment to a space.
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* Reduce a tab to a space unless it is 1st char of line.
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* All multiple tabs and spaces collapsed into 1 char. Tab only
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* legal if 1st char of line.
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* # line file statements converted to .line x;.file y; statements.
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* Escaped newlines at end of line: remove them but add as many newlines
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* to end of statement as you removed in the middle, to synch line numbers.
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*/
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#define BEFORE_STRING ("\n")
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2000-09-07 22:28:45 +02:00
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#define AFTER_STRING ("\0") /* memcpy of 0 chars might choke. */
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1999-05-03 09:29:11 +02:00
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#define BEFORE_SIZE (1)
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#define AFTER_SIZE (1)
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2006-10-16 14:02:40 +02:00
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#ifndef TC_EOL_IN_INSN
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#define TC_EOL_IN_INSN(P) 0
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#endif
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2000-09-07 22:28:45 +02:00
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static char *buffer_start; /*->1st char of full buffer area. */
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static char *partial_where; /*->after last full line in buffer. */
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static int partial_size; /* >=0. Number of chars in partial line in buffer. */
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2000-11-06 22:55:46 +01:00
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/* Because we need AFTER_STRING just after last full line, it clobbers
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1st part of partial line. So we preserve 1st part of partial line
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here. */
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1999-05-03 09:29:11 +02:00
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static char save_source[AFTER_SIZE];
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2000-11-06 22:55:46 +01:00
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/* What is the largest size buffer that input_file_give_next_buffer()
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could return to us? */
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static unsigned int buffer_length;
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1999-05-03 09:29:11 +02:00
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/* The index into an sb structure we are reading from. -1 if none. */
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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static size_t sb_index = -1;
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1999-05-03 09:29:11 +02:00
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/* If we are reading from an sb structure, this is it. */
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static sb from_sb;
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2000-03-26 16:47:33 +02:00
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/* Should we do a conditional check on from_sb? */
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static int from_sb_is_expansion = 1;
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1999-05-03 09:29:11 +02:00
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/* The number of nested sb structures we have included. */
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int macro_nest;
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/* We can have more than one source file open at once, though the info for all
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but the latest one are saved off in a struct input_save. These files remain
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open, so we are limited by the number of open files allowed by the
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underlying OS. We may also sequentially read more than one source file in an
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2000-09-07 22:28:45 +02:00
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assembly. */
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1999-05-03 09:29:11 +02:00
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/* We must track the physical file and line number for error messages. We also
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track a "logical" file and line number corresponding to (C?) compiler
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source line numbers. Whenever we open a file we must fill in
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2000-09-07 22:28:45 +02:00
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physical_input_file. So if it is NULL we have not opened any files yet. */
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1999-05-03 09:29:11 +02:00
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static char *physical_input_file;
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static char *logical_input_file;
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2011-03-18 12:16:28 +01:00
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/* 1-origin line number in a source file. */
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2000-09-07 22:28:45 +02:00
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/* A line ends in '\n' or eof. */
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2011-03-18 12:16:28 +01:00
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static unsigned int physical_input_line;
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1999-05-03 09:29:11 +02:00
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static int logical_input_line;
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/* Struct used to save the state of the input handler during include files */
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2000-12-14 02:12:43 +01:00
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struct input_save {
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2000-12-12 20:29:24 +01:00
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char * buffer_start;
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char * partial_where;
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int partial_size;
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char save_source[AFTER_SIZE];
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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size_t buffer_length;
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2000-12-12 20:29:24 +01:00
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char * physical_input_file;
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char * logical_input_file;
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2011-03-18 12:16:28 +01:00
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unsigned int physical_input_line;
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2000-12-12 20:29:24 +01:00
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int logical_input_line;
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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size_t sb_index;
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2000-12-12 20:29:24 +01:00
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sb from_sb;
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int from_sb_is_expansion; /* Should we do a conditional check? */
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struct input_save * next_saved_file; /* Chain of input_saves. */
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char * input_file_save; /* Saved state of input routines. */
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char * saved_position; /* Caller's saved position in buf. */
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2000-11-06 22:55:46 +01:00
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};
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1999-05-03 09:29:11 +02:00
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2003-11-24 04:37:58 +01:00
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static struct input_save *input_scrub_push (char *saved_position);
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static char *input_scrub_pop (struct input_save *arg);
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1999-05-03 09:29:11 +02:00
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/* Saved information about the file that .include'd this one. When we hit EOF,
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2000-09-07 22:28:45 +02:00
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we automatically pop to that file. */
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1999-05-03 09:29:11 +02:00
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static struct input_save *next_saved_file;
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/* Push the state of input reading and scrubbing so that we can #include.
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The return value is a 'void *' (fudged for old compilers) to a save
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2000-09-07 22:28:45 +02:00
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area, which can be restored by passing it to input_scrub_pop(). */
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2000-11-06 22:55:46 +01:00
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1999-05-03 09:29:11 +02:00
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static struct input_save *
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2003-11-24 04:37:58 +01:00
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input_scrub_push (char *saved_position)
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1999-05-03 09:29:11 +02:00
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{
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Don't use register keyword
* expr.c (expr_symbol_where): Don't use register keyword.
* app.c (app_push, app_pop, do_scrub_chars): Likewise.
* ecoff.c (add_string, add_ecoff_symbol, add_aux_sym_symint,
add_aux_sym_rndx, add_aux_sym_tir, add_procedure, add_file,
ecoff_build_lineno, ecoff_setup_ext, allocate_cluster.
allocate_scope, allocate_vlinks, allocate_shash,
allocate_thash, allocate_tag, allocate_forward, allocate_thead,
allocate_lineno_list): Likewise.
* frags.c (frag_more, frag_var, frag_variant, frag_wane): Likewise.
* input-file.c (input_file_push, input_file_pop): Likewise.
* input-scrub.c (input_scrub_push, input_scrub_next_buffer): Likewise.
* subsegs.c (subseg_change): Likewise.
* symbols.c (colon, symbol_table_insert, symbol_find_or_make)
(dollar_label_name, fb_label_name): Likewise.
* write.c (relax_align): Likewise.
* config/tc-alpha.c (s_alpha_pdesc): Likewise.
* config/tc-bfin.c (bfin_s_bss): Likewise.
* config/tc-i860.c (md_estimate_size_before_relax): Likewise.
* config/tc-m68hc11.c (md_convert_frag): Likewise.
* config/tc-m68k.c (m68k_ip, crack_operand): Likewise.
(md_convert_frag_1, s_even): Likewise.
* config/tc-mips.c (mips_clear_insn_labels): Likewise.
* config/tc-mn10200.c (md_begin): Likewise.
* config/tc-s390.c (s390_setup_opcodes, md_begin): Likewise.
* config/tc-sh.c (sh_elf_cons): Likewise.
* config/tc-tic4x.c (tic4x_cons, tic4x_stringer): Likewise.
* config/m68k-parse.y (m68k_reg_parse): Likewise. Convert from K&R.
(yylex, m68k_ip_op, yyerror): Convert from K&R.
2014-11-04 06:01:09 +01:00
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struct input_save *saved;
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1999-05-03 09:29:11 +02:00
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saved = (struct input_save *) xmalloc (sizeof *saved);
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saved->saved_position = saved_position;
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saved->buffer_start = buffer_start;
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saved->partial_where = partial_where;
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saved->partial_size = partial_size;
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saved->buffer_length = buffer_length;
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saved->physical_input_file = physical_input_file;
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saved->logical_input_file = logical_input_file;
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saved->physical_input_line = physical_input_line;
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saved->logical_input_line = logical_input_line;
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saved->sb_index = sb_index;
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saved->from_sb = from_sb;
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2000-03-26 16:47:33 +02:00
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saved->from_sb_is_expansion = from_sb_is_expansion;
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1999-05-03 09:29:11 +02:00
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memcpy (saved->save_source, save_source, sizeof (save_source));
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saved->next_saved_file = next_saved_file;
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saved->input_file_save = input_file_push ();
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input_file_begin (); /* Reinitialize! */
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logical_input_line = -1;
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logical_input_file = (char *) NULL;
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buffer_length = input_file_buffer_size ();
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sb_index = -1;
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2009-09-11 17:27:38 +02:00
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buffer_start = (char *) xmalloc ((BEFORE_SIZE + buffer_length
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+ buffer_length + AFTER_SIZE));
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1999-05-03 09:29:11 +02:00
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memcpy (buffer_start, BEFORE_STRING, (int) BEFORE_SIZE);
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return saved;
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2000-11-06 22:55:46 +01:00
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}
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1999-05-03 09:29:11 +02:00
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static char *
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2003-11-24 04:37:58 +01:00
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input_scrub_pop (struct input_save *saved)
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1999-05-03 09:29:11 +02:00
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{
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char *saved_position;
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input_scrub_end (); /* Finish off old buffer */
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input_file_pop (saved->input_file_save);
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saved_position = saved->saved_position;
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buffer_start = saved->buffer_start;
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buffer_length = saved->buffer_length;
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physical_input_file = saved->physical_input_file;
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logical_input_file = saved->logical_input_file;
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physical_input_line = saved->physical_input_line;
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logical_input_line = saved->logical_input_line;
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sb_index = saved->sb_index;
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from_sb = saved->from_sb;
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2000-03-26 16:47:33 +02:00
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from_sb_is_expansion = saved->from_sb_is_expansion;
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1999-05-03 09:29:11 +02:00
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partial_where = saved->partial_where;
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partial_size = saved->partial_size;
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next_saved_file = saved->next_saved_file;
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memcpy (save_source, saved->save_source, sizeof (save_source));
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free (saved);
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return saved_position;
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}
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void
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2003-11-24 04:37:58 +01:00
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input_scrub_begin (void)
|
1999-05-03 09:29:11 +02:00
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{
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know (strlen (BEFORE_STRING) == BEFORE_SIZE);
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2000-11-06 22:55:46 +01:00
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know (strlen (AFTER_STRING) == AFTER_SIZE
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|| (AFTER_STRING[0] == '\0' && AFTER_SIZE == 1));
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1999-05-03 09:29:11 +02:00
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input_file_begin ();
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buffer_length = input_file_buffer_size ();
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2009-09-11 17:27:38 +02:00
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buffer_start = (char *) xmalloc ((BEFORE_SIZE + buffer_length
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+ buffer_length + AFTER_SIZE));
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1999-05-03 09:29:11 +02:00
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|
|
memcpy (buffer_start, BEFORE_STRING, (int) BEFORE_SIZE);
|
|
|
|
|
|
2000-09-07 22:28:45 +02:00
|
|
|
|
/* Line number things. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
logical_input_line = -1;
|
|
|
|
|
logical_input_file = (char *) NULL;
|
2000-09-07 22:28:45 +02:00
|
|
|
|
physical_input_file = NULL; /* No file read yet. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
next_saved_file = NULL; /* At EOF, don't pop to any other file */
|
|
|
|
|
do_scrub_begin (flag_m68k_mri);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2003-11-24 04:37:58 +01:00
|
|
|
|
input_scrub_end (void)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (buffer_start)
|
|
|
|
|
{
|
|
|
|
|
free (buffer_start);
|
|
|
|
|
buffer_start = 0;
|
|
|
|
|
input_file_end ();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2000-11-06 22:55:46 +01:00
|
|
|
|
/* Start reading input from a new file.
|
|
|
|
|
Return start of caller's part of buffer. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2000-11-06 22:55:46 +01:00
|
|
|
|
char *
|
2003-11-24 04:37:58 +01:00
|
|
|
|
input_scrub_new_file (char *filename)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
input_file_open (filename, !flag_no_comments);
|
|
|
|
|
physical_input_file = filename[0] ? filename : _("{standard input}");
|
|
|
|
|
physical_input_line = 0;
|
|
|
|
|
|
|
|
|
|
partial_size = 0;
|
|
|
|
|
return (buffer_start + BEFORE_SIZE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Include a file from the current file. Save our state, cause it to
|
|
|
|
|
be restored on EOF, and begin handling a new file. Same result as
|
2000-09-07 22:28:45 +02:00
|
|
|
|
input_scrub_new_file. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
char *
|
2003-11-24 04:37:58 +01:00
|
|
|
|
input_scrub_include_file (char *filename, char *position)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
next_saved_file = input_scrub_push (position);
|
|
|
|
|
return input_scrub_new_file (filename);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Start getting input from an sb structure. This is used when
|
|
|
|
|
expanding a macro. */
|
|
|
|
|
|
|
|
|
|
void
|
2003-11-24 04:37:58 +01:00
|
|
|
|
input_scrub_include_sb (sb *from, char *position, int is_expansion)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2012-06-09 15:22:00 +02:00
|
|
|
|
int newline;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (macro_nest > max_macro_nest)
|
2000-05-29 22:25:14 +02:00
|
|
|
|
as_fatal (_("macros nested too deeply"));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
++macro_nest;
|
|
|
|
|
|
2000-03-26 16:47:33 +02:00
|
|
|
|
#ifdef md_macro_start
|
|
|
|
|
if (is_expansion)
|
|
|
|
|
{
|
|
|
|
|
md_macro_start ();
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
next_saved_file = input_scrub_push (position);
|
|
|
|
|
|
2012-06-09 15:22:00 +02:00
|
|
|
|
/* Allocate sufficient space: from->len + optional newline. */
|
|
|
|
|
newline = from->len >= 1 && from->ptr[0] != '\n';
|
|
|
|
|
sb_build (&from_sb, from->len + newline);
|
2000-03-26 16:47:33 +02:00
|
|
|
|
from_sb_is_expansion = is_expansion;
|
2012-06-09 15:22:00 +02:00
|
|
|
|
if (newline)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
/* Add the sentinel required by read.c. */
|
|
|
|
|
sb_add_char (&from_sb, '\n');
|
|
|
|
|
}
|
include/elf:
* arm.h: Import complete list of official relocation names
and numbers from AAELF. Define FAKE_RELOCs for old names.
Remove a few old names no longer used anywhere.
bfd:
* elf32-arm.c: Wherever possible, use official reloc names
from AAELF.
(elf32_arm_howto_table, elf32_arm_tls_gd32_howto)
(elf32_arm_tls_ldo32_howto, elf32_arm_tls_ldm32_howto)
(elf32_arm_tls_le32_howto, elf32_arm_tls_ie32_howto)
(elf32_arm_vtinherit_howto, elf32_arm_vtentry_howto)
(elf32_arm_pc11_howto, elf32_arm_thm_pc9_howto, elf32_arm_got_prel)
(elf32_arm_r_howto): Replace with elf32_arm_howto_table_1,
elf32_arm_howto_table_2, and elf32_arm_howto_table_3.
Add many new relocations from AAELF.
(elf32_arm_howto_from_type): Update to match.
(elf32_arm_reloc_map): Add entries for R_ARM_THM_JUMP24,
R_ARM_THM_JUMP11, R_ARM_THM_JUMP19, R_ARM_THM_JUMP8,
R_ARM_THM_JUMP6, R_ARM_GNU_VTINHERIT, and R_ARM_GNU_VTENTRY.
(elf32_arm_reloc_type_lookup): Use elf32_arm_howto_from_type.
(elf32_arm_final_link_relocate): Add support for
R_ARM_THM_JUMP24, R_ARM_THM_JUMP19, R_ARM_THM_JUMP6. Remove
case entries redundant with default.
* reloc.c: Reorganize ARM relocations. Add Thumb
assembler-internal relocations BFD_RELOC_ARM_T32_OFFSET_U8,
BFD_RELOC_ARM_T32_OFFSET_IMM, BFD_RELOC_ARM_T32_IMMEDIATE.
Add visible relocations BFD_RELOC_THUMB_PCREL_BRANCH7,
BFD_RELOC_THUMB_BRANCH20, BFD_RELOC_THUMB_BRANCH25.
Delete unused relocations BFD_RELOC_ARM_GOT12, BFD_RELOC_ARM_COPY.
* bfd-in2.h, libbfd.h: Regenerate.
opcodes:
* arm-dis.c (thumb_opcodes): Add disassembly for V6T2 16-bit
instructions. Adjust disassembly of some opcodes to match
unified syntax.
(thumb32_opcodes): New table.
(print_insn_thumb): Rename print_insn_thumb16; don't handle
two-halfword branches here.
(print_insn_thumb32): New function.
(print_insn): Choose among print_insn_arm, print_insn_thumb16,
and print_insn_thumb32. Be consistent about order of
halfwords when printing 32-bit instructions.
gas:
* hash.c (hash_lookup): Add len parameter. All callers changed.
(hash_find_n): New interface.
* hash.h: Prototype hash_find_n.
* sb.c: Include as.h.
(scrub_from_sb, sb_to_scrub, scrub_position): New statics.
(sb_scrub_and_add_sb): New interface.
* sb.h: Prototype sb_scrub_and_add_sb.
* input-scrub.c (input_scrub_include_sb): Use sb_scrub_and_add_sb.
* config/tc-arm.h (TC_FORCE_RELOCATION_LOCAL): Remove
reference to BFD_RELOC_ARM_GOT12 which is never generated.
* config/tc-arm.c: Rewrite, adding Thumb-2 support.
gas/testsuite:
* gas/arm/arm.exp: Convert all existing "gas_test" tests to
"run_dump_test" tests. Run more tests unconditionally. Run new tests.
* gas/arm/arch4t.s, gas/arm/arch6zk.s, gas/arm/arm3.s, gas/arm/arm6.s
* gas/arm/arm7dm.s, gas/arm/bignum1.s, gas/arm/float.s
* gas/arm/immed.s, gas/arm/iwmmxt.s, gas/arm/offset.s, gas/arm/thumb.s:
Adjust to work as a dump test.
* gas/arm/arch4t.d, gas/arm/arch6zk.d, gas/arm/arm3.d, gas/arm/arm6.d
* gas/arm/arm7dm.d, gas/arm/bignum1.d, gas/arm/float.d
* gas/arm/immed.d, gas/arm/iwmmxt.d, gas/arm/offset.d, gas/arm/thumb.d:
New files.
* gas/arm/armv1-bad.l, gas/arm/armv1-bad.s: Remove tests for
diagnostics that don't happen in the first pass anymore.
* gas/arm/iwmmxt-bad.l, gas/arm/r15-bad.l, gas/arm/req.l
* gas/arm/vfp-bad.l:
Update expected diagnostics.
* gas/arm/pic.d: Update expected reloc name.
* gas/arm/thumbv6.d: CPY no longer appears in disassembly.
* gas/arm/r15-bad.s: Avoid two-argument mul.
* gas/arm/req.s: Adjust comments.
* gas/arm/maverick.d, gas/arm/maverick.s: Avoid inappropriate
use of PC.
* gas/arm/macro-1.d, gas/arm/macro1.s
* gas/arm/t16-bad.l, gas/arm/t16-bad.s
* gas/arm/tcompat.d, gas/arm/tcompat.s
* gas/arm/tcompat2.d, gas/arm/tcompat2.s
* gas/arm/thumb32.d, gas/arm/thumb32.s
New test pair.
ld/testsuite:
* ld-arm/mixed-app.d: Adjust expected disassembly a little.
2005-05-18 07:40:12 +02:00
|
|
|
|
sb_scrub_and_add_sb (&from_sb, from);
|
2008-11-12 03:42:46 +01:00
|
|
|
|
|
|
|
|
|
/* Make sure the parser looks at defined contents when it scans for
|
|
|
|
|
e.g. end-of-line at the end of a macro. */
|
2012-06-09 15:22:00 +02:00
|
|
|
|
sb_terminate (&from_sb);
|
2008-11-12 03:42:46 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
sb_index = 1;
|
|
|
|
|
|
|
|
|
|
/* These variables are reset by input_scrub_push. Restore them
|
|
|
|
|
since we are, after all, still at the same point in the file. */
|
|
|
|
|
logical_input_line = next_saved_file->logical_input_line;
|
|
|
|
|
logical_input_file = next_saved_file->logical_input_file;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2003-11-24 04:37:58 +01:00
|
|
|
|
input_scrub_close (void)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
input_file_close ();
|
2011-03-18 12:16:28 +01:00
|
|
|
|
physical_input_line = 0;
|
|
|
|
|
logical_input_line = -1;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
char *
|
2003-11-24 04:37:58 +01:00
|
|
|
|
input_scrub_next_buffer (char **bufp)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
Don't use register keyword
* expr.c (expr_symbol_where): Don't use register keyword.
* app.c (app_push, app_pop, do_scrub_chars): Likewise.
* ecoff.c (add_string, add_ecoff_symbol, add_aux_sym_symint,
add_aux_sym_rndx, add_aux_sym_tir, add_procedure, add_file,
ecoff_build_lineno, ecoff_setup_ext, allocate_cluster.
allocate_scope, allocate_vlinks, allocate_shash,
allocate_thash, allocate_tag, allocate_forward, allocate_thead,
allocate_lineno_list): Likewise.
* frags.c (frag_more, frag_var, frag_variant, frag_wane): Likewise.
* input-file.c (input_file_push, input_file_pop): Likewise.
* input-scrub.c (input_scrub_push, input_scrub_next_buffer): Likewise.
* subsegs.c (subseg_change): Likewise.
* symbols.c (colon, symbol_table_insert, symbol_find_or_make)
(dollar_label_name, fb_label_name): Likewise.
* write.c (relax_align): Likewise.
* config/tc-alpha.c (s_alpha_pdesc): Likewise.
* config/tc-bfin.c (bfin_s_bss): Likewise.
* config/tc-i860.c (md_estimate_size_before_relax): Likewise.
* config/tc-m68hc11.c (md_convert_frag): Likewise.
* config/tc-m68k.c (m68k_ip, crack_operand): Likewise.
(md_convert_frag_1, s_even): Likewise.
* config/tc-mips.c (mips_clear_insn_labels): Likewise.
* config/tc-mn10200.c (md_begin): Likewise.
* config/tc-s390.c (s390_setup_opcodes, md_begin): Likewise.
* config/tc-sh.c (sh_elf_cons): Likewise.
* config/tc-tic4x.c (tic4x_cons, tic4x_stringer): Likewise.
* config/m68k-parse.y (m68k_reg_parse): Likewise. Convert from K&R.
(yylex, m68k_ip_op, yyerror): Convert from K&R.
2014-11-04 06:01:09 +01:00
|
|
|
|
char *limit; /*->just after last char of buffer. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
|
if (sb_index != (size_t) -1)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (sb_index >= from_sb.len)
|
|
|
|
|
{
|
|
|
|
|
sb_kill (&from_sb);
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
|
if (from_sb_is_expansion)
|
2000-11-06 22:55:46 +01:00
|
|
|
|
{
|
|
|
|
|
cond_finish_check (macro_nest);
|
2000-03-26 16:47:33 +02:00
|
|
|
|
#ifdef md_macro_end
|
2000-11-06 22:55:46 +01:00
|
|
|
|
/* Allow the target to clean up per-macro expansion
|
|
|
|
|
data. */
|
|
|
|
|
md_macro_end ();
|
2000-03-26 16:47:33 +02:00
|
|
|
|
#endif
|
2000-11-06 22:55:46 +01:00
|
|
|
|
}
|
|
|
|
|
--macro_nest;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
partial_where = NULL;
|
|
|
|
|
if (next_saved_file != NULL)
|
|
|
|
|
*bufp = input_scrub_pop (next_saved_file);
|
|
|
|
|
return partial_where;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
partial_where = from_sb.ptr + from_sb.len;
|
|
|
|
|
partial_size = 0;
|
|
|
|
|
*bufp = from_sb.ptr + sb_index;
|
|
|
|
|
sb_index = from_sb.len;
|
|
|
|
|
return partial_where;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*bufp = buffer_start + BEFORE_SIZE;
|
|
|
|
|
|
|
|
|
|
if (partial_size)
|
|
|
|
|
{
|
2010-03-31 01:20:25 +02:00
|
|
|
|
memmove (buffer_start + BEFORE_SIZE, partial_where,
|
|
|
|
|
(unsigned int) partial_size);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
memcpy (buffer_start + BEFORE_SIZE, save_source, AFTER_SIZE);
|
|
|
|
|
}
|
|
|
|
|
limit = input_file_give_next_buffer (buffer_start
|
|
|
|
|
+ BEFORE_SIZE
|
|
|
|
|
+ partial_size);
|
|
|
|
|
if (limit)
|
|
|
|
|
{
|
Don't use register keyword
* expr.c (expr_symbol_where): Don't use register keyword.
* app.c (app_push, app_pop, do_scrub_chars): Likewise.
* ecoff.c (add_string, add_ecoff_symbol, add_aux_sym_symint,
add_aux_sym_rndx, add_aux_sym_tir, add_procedure, add_file,
ecoff_build_lineno, ecoff_setup_ext, allocate_cluster.
allocate_scope, allocate_vlinks, allocate_shash,
allocate_thash, allocate_tag, allocate_forward, allocate_thead,
allocate_lineno_list): Likewise.
* frags.c (frag_more, frag_var, frag_variant, frag_wane): Likewise.
* input-file.c (input_file_push, input_file_pop): Likewise.
* input-scrub.c (input_scrub_push, input_scrub_next_buffer): Likewise.
* subsegs.c (subseg_change): Likewise.
* symbols.c (colon, symbol_table_insert, symbol_find_or_make)
(dollar_label_name, fb_label_name): Likewise.
* write.c (relax_align): Likewise.
* config/tc-alpha.c (s_alpha_pdesc): Likewise.
* config/tc-bfin.c (bfin_s_bss): Likewise.
* config/tc-i860.c (md_estimate_size_before_relax): Likewise.
* config/tc-m68hc11.c (md_convert_frag): Likewise.
* config/tc-m68k.c (m68k_ip, crack_operand): Likewise.
(md_convert_frag_1, s_even): Likewise.
* config/tc-mips.c (mips_clear_insn_labels): Likewise.
* config/tc-mn10200.c (md_begin): Likewise.
* config/tc-s390.c (s390_setup_opcodes, md_begin): Likewise.
* config/tc-sh.c (sh_elf_cons): Likewise.
* config/tc-tic4x.c (tic4x_cons, tic4x_stringer): Likewise.
* config/m68k-parse.y (m68k_reg_parse): Likewise. Convert from K&R.
(yylex, m68k_ip_op, yyerror): Convert from K&R.
2014-11-04 06:01:09 +01:00
|
|
|
|
char *p; /* Find last newline. */
|
2006-10-16 14:02:40 +02:00
|
|
|
|
/* Terminate the buffer to avoid confusing TC_EOL_IN_INSN. */
|
|
|
|
|
*limit = '\0';
|
|
|
|
|
for (p = limit - 1; *p != '\n' || TC_EOL_IN_INSN (p); --p)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
;
|
|
|
|
|
++p;
|
|
|
|
|
|
|
|
|
|
while (p <= buffer_start + BEFORE_SIZE)
|
|
|
|
|
{
|
|
|
|
|
int limoff;
|
|
|
|
|
|
|
|
|
|
limoff = limit - buffer_start;
|
|
|
|
|
buffer_length += input_file_buffer_size ();
|
2009-09-11 17:27:38 +02:00
|
|
|
|
buffer_start = (char *) xrealloc (buffer_start,
|
|
|
|
|
(BEFORE_SIZE
|
|
|
|
|
+ 2 * buffer_length
|
|
|
|
|
+ AFTER_SIZE));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
*bufp = buffer_start + BEFORE_SIZE;
|
|
|
|
|
limit = input_file_give_next_buffer (buffer_start + limoff);
|
|
|
|
|
|
|
|
|
|
if (limit == NULL)
|
|
|
|
|
{
|
|
|
|
|
as_warn (_("partial line at end of file ignored"));
|
|
|
|
|
partial_where = NULL;
|
|
|
|
|
if (next_saved_file)
|
|
|
|
|
*bufp = input_scrub_pop (next_saved_file);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
2006-10-16 14:02:40 +02:00
|
|
|
|
/* Terminate the buffer to avoid confusing TC_EOL_IN_INSN. */
|
|
|
|
|
*limit = '\0';
|
|
|
|
|
for (p = limit - 1; *p != '\n' || TC_EOL_IN_INSN (p); --p)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
;
|
|
|
|
|
++p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
partial_where = p;
|
|
|
|
|
partial_size = limit - p;
|
|
|
|
|
memcpy (save_source, partial_where, (int) AFTER_SIZE);
|
|
|
|
|
memcpy (partial_where, AFTER_STRING, (int) AFTER_SIZE);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
partial_where = 0;
|
|
|
|
|
if (partial_size > 0)
|
|
|
|
|
{
|
* read.c: Standardize error/warning messages - don't capitalise, no
final period or newline, don't say "ignored" or "zero assumed" for
as_bad messages. In some cases, change the wording to that used
elsewhere for similar messages.
* app.c, as.c, atof-generic.c, cgen.c, cond.c, depend.c, dwarf2dbg.c,
ecoff.c, expr.c, frags.c, input-file.c, input-scrub.c, listing.c,
output-file.c, stabs.c, subsegs.c, symbols.c, write.c: Likewise.
* ecoff.c (ecoff_directive_end): Test for missing name by
comparing input line pointers rather than reading string.
(ecoff_directive_ent): Likewise.
* read.c (s_set): Likewise.
(s_align): Report a warning rather than an error for
alignment too large.
(s_comm): Check for missing symbol name.
(s_lcomm_internal): Likewise.
(s_lsym): Likewise.
(s_globl): Use is_end_of_line instead of looking for '\n'.
(s_lcomm_internal): Likewise.
(ignore_rest_of_line): Report a warning rather than an error.
2001-08-01 03:44:25 +02:00
|
|
|
|
as_warn (_("partial line at end of file ignored"));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Tell the listing we've finished the file. */
|
|
|
|
|
LISTING_EOF ();
|
|
|
|
|
|
2000-09-07 22:28:45 +02:00
|
|
|
|
/* If we should pop to another file at EOF, do it. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (next_saved_file)
|
|
|
|
|
{
|
|
|
|
|
*bufp = input_scrub_pop (next_saved_file); /* Pop state */
|
2000-09-07 22:28:45 +02:00
|
|
|
|
/* partial_where is now correct to return, since we popped it. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return (partial_where);
|
2000-11-06 22:55:46 +01:00
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2000-11-06 22:55:46 +01:00
|
|
|
|
/* The remaining part of this file deals with line numbers, error
|
|
|
|
|
messages and so on. Return TRUE if we opened any file. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
int
|
2003-11-24 04:37:58 +01:00
|
|
|
|
seen_at_least_1_file (void)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
return (physical_input_file != NULL);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2003-11-24 04:37:58 +01:00
|
|
|
|
bump_line_counters (void)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
|
if (sb_index == (size_t) -1)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
++physical_input_line;
|
|
|
|
|
if (logical_input_line >= 0)
|
|
|
|
|
++logical_input_line;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2000-11-06 22:55:46 +01:00
|
|
|
|
/* Tells us what the new logical line number and file are.
|
|
|
|
|
If the line_number is -1, we don't change the current logical line
|
|
|
|
|
number. If it is -2, we decrement the logical line number (this is
|
|
|
|
|
to support the .appfile pseudo-op inserted into the stream by
|
|
|
|
|
do_scrub_chars).
|
|
|
|
|
If the fname is NULL, we don't change the current logical file name.
|
|
|
|
|
Returns nonzero if the filename actually changes. */
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
int
|
2007-03-09 08:14:23 +01:00
|
|
|
|
new_logical_line_flags (char *fname, /* DON'T destroy it! We point to it! */
|
|
|
|
|
int line_number,
|
|
|
|
|
int flags)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2007-03-09 08:14:23 +01:00
|
|
|
|
switch (flags)
|
|
|
|
|
{
|
|
|
|
|
case 0:
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
if (line_number != -1)
|
|
|
|
|
abort ();
|
|
|
|
|
break;
|
|
|
|
|
case 1 << 1:
|
|
|
|
|
case 1 << 2:
|
|
|
|
|
/* FIXME: we could check that include nesting is correct. */
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
abort ();
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (line_number >= 0)
|
|
|
|
|
logical_input_line = line_number;
|
2007-03-09 08:14:23 +01:00
|
|
|
|
else if (line_number == -1 && fname && !*fname && (flags & (1 << 2)))
|
|
|
|
|
{
|
|
|
|
|
logical_input_file = physical_input_file;
|
|
|
|
|
logical_input_line = physical_input_line;
|
|
|
|
|
fname = NULL;
|
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (fname
|
|
|
|
|
&& (logical_input_file == NULL
|
2011-02-28 19:32:52 +01:00
|
|
|
|
|| filename_cmp (logical_input_file, fname)))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
logical_input_file = fname;
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
return 0;
|
2000-11-06 22:55:46 +01:00
|
|
|
|
}
|
2007-03-09 08:14:23 +01:00
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
new_logical_line (char *fname, int line_number)
|
|
|
|
|
{
|
|
|
|
|
return new_logical_line_flags (fname, line_number, 0);
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2000-11-06 22:55:46 +01:00
|
|
|
|
/* Return the current file name and line number.
|
|
|
|
|
namep should be char * const *, but there are compilers which screw
|
|
|
|
|
up declarations like that, and it's easier to avoid it. */
|
|
|
|
|
|
2000-09-07 22:28:45 +02:00
|
|
|
|
void
|
2003-11-24 04:37:58 +01:00
|
|
|
|
as_where (char **namep, unsigned int *linep)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (logical_input_file != NULL
|
|
|
|
|
&& (linep == NULL || logical_input_line >= 0))
|
|
|
|
|
{
|
|
|
|
|
*namep = logical_input_file;
|
|
|
|
|
if (linep != NULL)
|
|
|
|
|
*linep = logical_input_line;
|
|
|
|
|
}
|
|
|
|
|
else if (physical_input_file != NULL)
|
|
|
|
|
{
|
|
|
|
|
*namep = physical_input_file;
|
|
|
|
|
if (linep != NULL)
|
|
|
|
|
*linep = physical_input_line;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
*namep = 0;
|
|
|
|
|
if (linep != NULL)
|
|
|
|
|
*linep = 0;
|
|
|
|
|
}
|
2000-11-06 22:55:46 +01:00
|
|
|
|
}
|