![Stephen Warren](/assets/img/avatar_default.png)
This will allow callers to rebuild .dtb files when any of the /include/d .dtsi files are modified, not just the top-level .dts file. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
253 lines
5.4 KiB
C
253 lines
5.4 KiB
C
/*
|
|
* Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
* USA
|
|
*/
|
|
|
|
#define _GNU_SOURCE
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "dtc.h"
|
|
#include "srcpos.h"
|
|
|
|
|
|
static char *dirname(const char *path)
|
|
{
|
|
const char *slash = strrchr(path, '/');
|
|
|
|
if (slash) {
|
|
int len = slash - path;
|
|
char *dir = xmalloc(len + 1);
|
|
|
|
memcpy(dir, path, len);
|
|
dir[len] = '\0';
|
|
return dir;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
FILE *depfile; /* = NULL */
|
|
struct srcfile_state *current_srcfile; /* = NULL */
|
|
|
|
/* Detect infinite include recursion. */
|
|
#define MAX_SRCFILE_DEPTH (100)
|
|
static int srcfile_depth; /* = 0 */
|
|
|
|
FILE *srcfile_relative_open(const char *fname, char **fullnamep)
|
|
{
|
|
FILE *f;
|
|
char *fullname;
|
|
|
|
if (streq(fname, "-")) {
|
|
f = stdin;
|
|
fullname = xstrdup("<stdin>");
|
|
} else {
|
|
if (!current_srcfile || !current_srcfile->dir
|
|
|| (fname[0] == '/'))
|
|
fullname = xstrdup(fname);
|
|
else
|
|
fullname = join_path(current_srcfile->dir, fname);
|
|
|
|
f = fopen(fullname, "r");
|
|
if (!f)
|
|
die("Couldn't open \"%s\": %s\n", fname,
|
|
strerror(errno));
|
|
}
|
|
|
|
if (depfile)
|
|
fprintf(depfile, " %s", fullname);
|
|
|
|
if (fullnamep)
|
|
*fullnamep = fullname;
|
|
else
|
|
free(fullname);
|
|
|
|
return f;
|
|
}
|
|
|
|
void srcfile_push(const char *fname)
|
|
{
|
|
struct srcfile_state *srcfile;
|
|
|
|
if (srcfile_depth++ >= MAX_SRCFILE_DEPTH)
|
|
die("Includes nested too deeply");
|
|
|
|
srcfile = xmalloc(sizeof(*srcfile));
|
|
|
|
srcfile->f = srcfile_relative_open(fname, &srcfile->name);
|
|
srcfile->dir = dirname(srcfile->name);
|
|
srcfile->prev = current_srcfile;
|
|
|
|
srcfile->lineno = 1;
|
|
srcfile->colno = 1;
|
|
|
|
current_srcfile = srcfile;
|
|
}
|
|
|
|
int srcfile_pop(void)
|
|
{
|
|
struct srcfile_state *srcfile = current_srcfile;
|
|
|
|
assert(srcfile);
|
|
|
|
current_srcfile = srcfile->prev;
|
|
|
|
if (fclose(srcfile->f))
|
|
die("Error closing \"%s\": %s\n", srcfile->name,
|
|
strerror(errno));
|
|
|
|
/* FIXME: We allow the srcfile_state structure to leak,
|
|
* because it could still be referenced from a location
|
|
* variable being carried through the parser somewhere. To
|
|
* fix this we could either allocate all the files from a
|
|
* table, or use a pool allocator. */
|
|
|
|
return current_srcfile ? 1 : 0;
|
|
}
|
|
|
|
/*
|
|
* The empty source position.
|
|
*/
|
|
|
|
struct srcpos srcpos_empty = {
|
|
.first_line = 0,
|
|
.first_column = 0,
|
|
.last_line = 0,
|
|
.last_column = 0,
|
|
.file = NULL,
|
|
};
|
|
|
|
#define TAB_SIZE 8
|
|
|
|
void srcpos_update(struct srcpos *pos, const char *text, int len)
|
|
{
|
|
int i;
|
|
|
|
pos->file = current_srcfile;
|
|
|
|
pos->first_line = current_srcfile->lineno;
|
|
pos->first_column = current_srcfile->colno;
|
|
|
|
for (i = 0; i < len; i++)
|
|
if (text[i] == '\n') {
|
|
current_srcfile->lineno++;
|
|
current_srcfile->colno = 1;
|
|
} else if (text[i] == '\t') {
|
|
current_srcfile->colno =
|
|
ALIGN(current_srcfile->colno, TAB_SIZE);
|
|
} else {
|
|
current_srcfile->colno++;
|
|
}
|
|
|
|
pos->last_line = current_srcfile->lineno;
|
|
pos->last_column = current_srcfile->colno;
|
|
}
|
|
|
|
struct srcpos *
|
|
srcpos_copy(struct srcpos *pos)
|
|
{
|
|
struct srcpos *pos_new;
|
|
|
|
pos_new = xmalloc(sizeof(struct srcpos));
|
|
memcpy(pos_new, pos, sizeof(struct srcpos));
|
|
|
|
return pos_new;
|
|
}
|
|
|
|
|
|
|
|
void
|
|
srcpos_dump(struct srcpos *pos)
|
|
{
|
|
printf("file : \"%s\"\n",
|
|
pos->file ? (char *) pos->file : "<no file>");
|
|
printf("first_line : %d\n", pos->first_line);
|
|
printf("first_column: %d\n", pos->first_column);
|
|
printf("last_line : %d\n", pos->last_line);
|
|
printf("last_column : %d\n", pos->last_column);
|
|
printf("file : %s\n", pos->file->name);
|
|
}
|
|
|
|
|
|
char *
|
|
srcpos_string(struct srcpos *pos)
|
|
{
|
|
const char *fname = "<no-file>";
|
|
char *pos_str;
|
|
int rc;
|
|
|
|
if (pos)
|
|
fname = pos->file->name;
|
|
|
|
|
|
if (pos->first_line != pos->last_line)
|
|
rc = asprintf(&pos_str, "%s:%d.%d-%d.%d", fname,
|
|
pos->first_line, pos->first_column,
|
|
pos->last_line, pos->last_column);
|
|
else if (pos->first_column != pos->last_column)
|
|
rc = asprintf(&pos_str, "%s:%d.%d-%d", fname,
|
|
pos->first_line, pos->first_column,
|
|
pos->last_column);
|
|
else
|
|
rc = asprintf(&pos_str, "%s:%d.%d", fname,
|
|
pos->first_line, pos->first_column);
|
|
|
|
if (rc == -1)
|
|
die("Couldn't allocate in srcpos string");
|
|
|
|
return pos_str;
|
|
}
|
|
|
|
void
|
|
srcpos_verror(struct srcpos *pos, char const *fmt, va_list va)
|
|
{
|
|
const char *srcstr;
|
|
|
|
srcstr = srcpos_string(pos);
|
|
|
|
fprintf(stdout, "Error: %s ", srcstr);
|
|
vfprintf(stdout, fmt, va);
|
|
fprintf(stdout, "\n");
|
|
}
|
|
|
|
void
|
|
srcpos_error(struct srcpos *pos, char const *fmt, ...)
|
|
{
|
|
va_list va;
|
|
|
|
va_start(va, fmt);
|
|
srcpos_verror(pos, fmt, va);
|
|
va_end(va);
|
|
}
|
|
|
|
|
|
void
|
|
srcpos_warn(struct srcpos *pos, char const *fmt, ...)
|
|
{
|
|
const char *srcstr;
|
|
va_list va;
|
|
va_start(va, fmt);
|
|
|
|
srcstr = srcpos_string(pos);
|
|
|
|
fprintf(stderr, "Warning: %s ", srcstr);
|
|
vfprintf(stderr, fmt, va);
|
|
fprintf(stderr, "\n");
|
|
|
|
va_end(va);
|
|
}
|