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nasm/asm/listing.c
H. Peter Anvin 8960e1bc83 Remove #includes already provided by "compiler.h" 
"compiler.h" already includes a bunch of common include files. There
is absolutely no reason to duplicate them in individual files, and in
fact it robs us of central control of how these files are used.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2018-12-27 12:45:44 -08:00

362 lines
8.6 KiB
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/* ----------------------------------------------------------------------- *
*
* Copyright 1996-2018 The NASM Authors - All Rights Reserved
* See the file AUTHORS included with the NASM distribution for
* the specific copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ----------------------------------------------------------------------- */
/*
* listing.c listing file generator for the Netwide Assembler
*/
#include "compiler.h"
#include "nctype.h"
#include "nasm.h"
#include "nasmlib.h"
#include "error.h"
#include "strlist.h"
#include "listing.h"
#define LIST_MAX_LEN 256 /* something sensible */
#define LIST_INDENT 40
#define LIST_HEXBIT 18
typedef struct MacroInhibit MacroInhibit;
static struct MacroInhibit {
MacroInhibit *next;
int level;
int inhibiting;
} *mistack;
static char xdigit[] = "0123456789ABCDEF";
#define HEX(a,b) (*(a)=xdigit[((b)>>4)&15],(a)[1]=xdigit[(b)&15]);
static char listline[LIST_MAX_LEN];
static bool listlinep;
struct strlist *list_errors;
static char listdata[2 * LIST_INDENT]; /* we need less than that actually */
static int32_t listoffset;
static int32_t listlineno;
static int32_t listp;
static int suppress; /* for INCBIN & TIMES special cases */
static int listlevel, listlevel_e;
static FILE *listfp;
static void list_emit(void)
{
int i;
const struct strlist_entry *e;
if (listlinep || *listdata) {
fprintf(listfp, "%6"PRId32" ", listlineno);
if (listdata[0])
fprintf(listfp, "%08"PRIX32" %-*s", listoffset, LIST_HEXBIT + 1,
listdata);
else
fprintf(listfp, "%*s", LIST_HEXBIT + 10, "");
if (listlevel_e)
fprintf(listfp, "%s<%d>", (listlevel < 10 ? " " : ""),
listlevel_e);
else if (listlinep)
fprintf(listfp, " ");
if (listlinep)
fprintf(listfp, " %s", listline);
putc('\n', listfp);
listlinep = false;
listdata[0] = '\0';
}
if (list_errors) {
strlist_for_each(e, list_errors) {
fprintf(listfp, "%6"PRId32" ", listlineno);
for (i = 0; i < LIST_HEXBIT; i++)
putc('*', listfp);
if (listlevel_e)
fprintf(listfp, " %s<%d>", (listlevel < 10 ? " " : ""),
listlevel_e);
else
fprintf(listfp, " ");
fprintf(listfp, " %s\n", e->str);
}
strlist_free(&list_errors);
}
}
static void list_init(const char *fname)
{
if (!fname || fname[0] == '\0') {
listfp = NULL;
return;
}
listfp = nasm_open_write(fname, NF_TEXT);
if (!listfp) {
nasm_nonfatal("unable to open listing file `%s'", fname);
return;
}
*listline = '\0';
listlineno = 0;
list_errors = NULL;
listp = true;
listlevel = 0;
suppress = 0;
mistack = nasm_malloc(sizeof(MacroInhibit));
mistack->next = NULL;
mistack->level = 0;
mistack->inhibiting = true;
}
static void list_cleanup(void)
{
if (!listp)
return;
while (mistack) {
MacroInhibit *temp = mistack;
mistack = temp->next;
nasm_free(temp);
}
list_emit();
fclose(listfp);
}
static void list_out(int64_t offset, char *str)
{
if (strlen(listdata) + strlen(str) > LIST_HEXBIT) {
strcat(listdata, "-");
list_emit();
}
if (!listdata[0])
listoffset = offset;
strcat(listdata, str);
}
static void list_address(int64_t offset, const char *brackets,
int64_t addr, int size)
{
char q[20];
char *r = q;
nasm_assert(size <= 8);
*r++ = brackets[0];
while (size--) {
HEX(r, addr);
addr >>= 8;
r += 2;
}
*r++ = brackets[1];
*r = '\0';
list_out(offset, q);
}
static void list_output(const struct out_data *data)
{
char q[24];
uint64_t size = data->size;
uint64_t offset = data->offset;
const uint8_t *p = data->data;
if (!listp || suppress || user_nolist)
return;
switch (data->type) {
case OUT_ZERODATA:
if (size > 16) {
snprintf(q, sizeof(q), "<zero %08"PRIX64">", size);
list_out(offset, q);
break;
} else {
p = zero_buffer;
}
/* fall through */
case OUT_RAWDATA:
{
if (size == 0 && !listdata[0])
listoffset = data->offset;
while (size--) {
HEX(q, *p);
q[2] = '\0';
list_out(offset++, q);
p++;
}
break;
}
case OUT_ADDRESS:
list_address(offset, "[]", data->toffset, size);
break;
case OUT_SEGMENT:
q[0] = '[';
memset(q+1, 's', size << 1);
q[(size << 1)+1] = ']';
q[(size << 1)+2] = '\0';
list_out(offset, q);
offset += size;
break;
case OUT_RELADDR:
list_address(offset, "()", data->toffset, size);
break;
case OUT_RESERVE:
{
snprintf(q, sizeof(q), "<res %08"PRIX64">", size);
list_out(offset, q);
break;
}
default:
panic();
}
}
static void list_line(int type, char *line)
{
if (!listp)
return;
if (user_nolist)
return;
if (mistack && mistack->inhibiting) {
if (type == LIST_MACRO)
return;
else { /* pop the m i stack */
MacroInhibit *temp = mistack;
mistack = temp->next;
nasm_free(temp);
}
}
list_emit();
listlineno = src_get_linnum();
listlinep = true;
strncpy(listline, line, LIST_MAX_LEN - 1);
listline[LIST_MAX_LEN - 1] = '\0';
listlevel_e = listlevel;
}
static void list_uplevel(int type)
{
if (!listp)
return;
if (type == LIST_INCBIN || type == LIST_TIMES) {
suppress |= (type == LIST_INCBIN ? 1 : 2);
list_out(listoffset, type == LIST_INCBIN ? "<incbin>" : "<rept>");
return;
}
listlevel++;
if (mistack && mistack->inhibiting && type == LIST_INCLUDE) {
MacroInhibit *temp = nasm_malloc(sizeof(MacroInhibit));
temp->next = mistack;
temp->level = listlevel;
temp->inhibiting = false;
mistack = temp;
} else if (type == LIST_MACRO_NOLIST) {
MacroInhibit *temp = nasm_malloc(sizeof(MacroInhibit));
temp->next = mistack;
temp->level = listlevel;
temp->inhibiting = true;
mistack = temp;
}
}
static void list_downlevel(int type)
{
if (!listp)
return;
if (type == LIST_INCBIN || type == LIST_TIMES) {
suppress &= ~(type == LIST_INCBIN ? 1 : 2);
return;
}
listlevel--;
while (mistack && mistack->level > listlevel) {
MacroInhibit *temp = mistack;
mistack = temp->next;
nasm_free(temp);
}
}
static void list_error(errflags severity, const char *fmt, ...)
{
va_list ap;
if (!listfp)
return;
if (!list_errors)
list_errors = strlist_alloc(false);
va_start(ap, fmt);
strlist_vprintf(list_errors, fmt, ap);
va_end(ap);
if ((severity & ERR_MASK) >= ERR_FATAL)
list_emit();
}
static void list_set_offset(uint64_t offset)
{
listoffset = offset;
}
static const struct lfmt nasm_list = {
list_init,
list_cleanup,
list_output,
list_line,
list_uplevel,
list_downlevel,
list_error,
list_set_offset
};
const struct lfmt *lfmt = &nasm_list;
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