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perform relocations so disassembly dumps of qfo files make sense

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This commit is contained in:
Bill Currie 2004-01-30 07:17:28 +00:00
parent 16e4964a31
commit 394e83e419
1 changed files with 143 additions and 41 deletions
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184
tools/qfcc/source/qfprogs.c
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@ -67,6 +67,26 @@ static __attribute__ ((unused)) const char rcsid[] =
#include "obj_file.h" #include "obj_file.h"
#include "qfprogs.h" #include "qfprogs.h"
#include "reloc.h"
const char *reloc_names[] = {
"none",
"op_a_def",
"op_b_def",
"op_c_def",
"op_a_op",
"op_b_op",
"op_c_op",
"def_op",
"def_def",
"def_func",
"def_string",
"def_field",
"op_a_def_ofs",
"op_b_def_ofs",
"op_c_def_ofs",
"def_def_ofs",
};
int sorted = 0; int sorted = 0;
int verbosity = 0; int verbosity = 0;
@ -259,57 +279,37 @@ convert_def (const qfo_def_t *def, ddef_t *ddef)
static void static void
convert_qfo (void) convert_qfo (void)
{ {
int i, j; int i, j, num_locals = 0, num_externs = 0;
qfo_def_t *defs;
ddef_t *ld; ddef_t *ld;
defs = malloc (qfo->num_defs * sizeof (qfo_def_t));
memcpy (defs, qfo->defs, qfo->num_defs * sizeof (qfo_def_t));
pr.progs = &progs; pr.progs = &progs;
progs.version = PROG_VERSION; progs.version = PROG_VERSION;
pr.pr_statements = qfo->code; pr.pr_statements = malloc (qfo->code_size * sizeof (dstatement_t));
memcpy (pr.pr_statements, qfo->code,
qfo->code_size * sizeof (dstatement_t));
progs.numstatements = qfo->code_size; progs.numstatements = qfo->code_size;
pr.pr_strings = qfo->strings; pr.pr_strings = qfo->strings;
progs.numstrings = qfo->strings_size; progs.numstrings = qfo->strings_size;
pr.pr_stringsize = qfo->strings_size; pr.pr_stringsize = qfo->strings_size;
pr.pr_globals = qfo->data;
progs.numglobals = qfo->data_size;
progs.numglobaldefs = 0;
progs.numfielddefs = 0;
progs.entityfields = 0;
pr.pr_globaldefs = calloc (qfo->num_defs, sizeof (ddef_t));
pr.pr_fielddefs = calloc (qfo->num_defs, sizeof (ddef_t));
ld = pr.local_defs = calloc (qfo->num_defs, sizeof (ddef_t));
for (i = 0; i < qfo->num_defs; i++) {
qfo_def_t *def = qfo->defs + i;
ddef_t ddef;
if ((def->flags & QFOD_LOCAL) || !def->name)
continue;
convert_def (def, &ddef);
pr.pr_globaldefs[progs.numglobaldefs++] = ddef;
if (ddef.type == ev_field) {
ddef.type = get_auxtype (qfo->types + def->full_type);
progs.entityfields += pr_type_size[ddef.type];
ddef.ofs = G_INT (&pr, ddef.ofs);
pr.pr_fielddefs[progs.numfielddefs++] = ddef;
}
}
pr.pr_edict_size = progs.entityfields * 4;
progs.numfunctions = qfo->num_funcs; progs.numfunctions = qfo->num_funcs;
pr.pr_functions = calloc (qfo->num_funcs, sizeof (dfunction_t)); pr.pr_functions = calloc (qfo->num_funcs, sizeof (dfunction_t));
pr.pr_functions = calloc (qfo->num_funcs, sizeof (dfunction_t)); pr.pr_functions = calloc (qfo->num_funcs, sizeof (dfunction_t));
pr.auxfunctions = calloc (qfo->num_funcs, sizeof (pr_auxfunction_t)); pr.auxfunctions = calloc (qfo->num_funcs, sizeof (pr_auxfunction_t));
pr.auxfunction_map = calloc (qfo->num_funcs, sizeof (pr_auxfunction_t *)); pr.auxfunction_map = calloc (qfo->num_funcs, sizeof (pr_auxfunction_t *));
ld = pr.local_defs = calloc (qfo->num_defs, sizeof (ddef_t));
for (i = 0; i < qfo->num_funcs; i++) { for (i = 0; i < qfo->num_funcs; i++) {
qfo_func_t *func = qfo->funcs + i; qfo_func_t *func = qfo->funcs + i;
dfunction_t df; dfunction_t df;
df.first_statement = func->builtin ? -func->builtin : func->code; df.first_statement = func->builtin ? -func->builtin : func->code;
df.parm_start = 0; df.parm_start = qfo->data_size;
df.locals = func->locals_size; df.locals = func->locals_size;
df.profile = 0; df.profile = 0;
df.s_name = func->name; df.s_name = func->name;
@ -317,6 +317,9 @@ convert_qfo (void)
df.numparms = func->num_parms; df.numparms = func->num_parms;
memcpy (df.parm_size, func->parm_size, sizeof (df.parm_size)); memcpy (df.parm_size, func->parm_size, sizeof (df.parm_size));
if (df.locals > num_locals)
num_locals = df.locals;
pr.pr_functions[i] = df; pr.pr_functions[i] = df;
pr.auxfunction_map[i] = pr.auxfunctions + i; pr.auxfunction_map[i] = pr.auxfunctions + i;
@ -326,10 +329,91 @@ convert_qfo (void)
pr.auxfunctions[i].local_defs = ld - pr.local_defs; pr.auxfunctions[i].local_defs = ld - pr.local_defs;
pr.auxfunctions[i].num_locals = func->num_local_defs; pr.auxfunctions[i].num_locals = func->num_local_defs;
for (j = 0; j < func->num_local_defs; j++) for (j = 0; j < func->num_local_defs; j++) {
convert_def (qfo->defs + func->local_defs, ld++); qfo_def_t *d = defs + func->local_defs + j;
convert_def (d, ld++);
d->ofs += qfo->data_size;
}
} }
progs.numglobaldefs = 0;
progs.numfielddefs = 0;
progs.entityfields = 0;
pr.pr_globaldefs = calloc (qfo->num_defs, sizeof (ddef_t));
pr.pr_fielddefs = calloc (qfo->num_defs, sizeof (ddef_t));
for (i = 0; i < qfo->num_defs; i++) {
qfo_def_t *def = defs + i;
ddef_t ddef;
if (!(def->flags & QFOD_LOCAL) && def->name) {
if (def->flags & QFOD_EXTERNAL) {
int size = pr_type_size[def->basic_type]; //FIXME struct etc
if (!size)
size = 1;
def->ofs += qfo->data_size + num_locals + num_externs;
num_externs += size;
}
convert_def (def, &ddef);
pr.pr_globaldefs[progs.numglobaldefs++] = ddef;
if (ddef.type == ev_field) {
ddef.type = get_auxtype (qfo->types + def->full_type);
progs.entityfields += pr_type_size[ddef.type];
ddef.ofs = qfo->data[ddef.ofs].integer_var;
pr.pr_fielddefs[progs.numfielddefs++] = ddef;
}
}
for (j = 0; j < def->num_relocs; j++) {
qfo_reloc_t *reloc = qfo->relocs + def->relocs + j;
printf ("%12s %04x %04x %s\n", reloc_names[reloc->type], reloc->ofs, def->ofs, qfo->strings + def->name);
switch ((reloc_type)reloc->type) {
case rel_none:
break;
case rel_op_a_def:
pr.pr_statements[reloc->ofs].a = def->ofs;
break;
case rel_op_b_def:
pr.pr_statements[reloc->ofs].b = def->ofs;
break;
case rel_op_c_def:
pr.pr_statements[reloc->ofs].c = def->ofs;
break;
case rel_op_a_def_ofs:
pr.pr_statements[reloc->ofs].a += def->ofs;
break;
case rel_op_b_def_ofs:
pr.pr_statements[reloc->ofs].b += def->ofs;
break;
case rel_op_c_def_ofs:
pr.pr_statements[reloc->ofs].c += def->ofs;
break;
case rel_def_def:
pr.pr_globals[reloc->ofs].integer_var = def->ofs;
break;
case rel_def_def_ofs:
pr.pr_globals[reloc->ofs].integer_var += def->ofs;
break;
// these are relative and fixed up before the .qfo is written
case rel_op_a_op:
case rel_op_b_op:
case rel_op_c_op:
// these aren't relevant here
case rel_def_func:
case rel_def_op:
case rel_def_string:
case rel_def_field:
break;
}
}
}
progs.numglobals = qfo->data_size;
pr.globals_size = progs.numglobals + num_locals + num_externs;
pr.pr_globals = calloc (pr.globals_size, sizeof (pr_type_t));
memcpy (pr.pr_globals, qfo->data, qfo->data_size * sizeof (pr_type_t));
pr.pr_edict_size = progs.entityfields * 4;
pr.linenos = qfo->lines; pr.linenos = qfo->lines;
debug.num_auxfunctions = qfo->num_funcs; debug.num_auxfunctions = qfo->num_funcs;
debug.num_linenos = qfo->num_lines; debug.num_linenos = qfo->num_lines;
@ -385,35 +469,50 @@ load_progs (const char *name)
return 1; return 1;
} }
typedef struct {
void (*progs) (progs_t *pr);
void (*qfo) (qfo_t *qfo);
} operation_t;
operation_t operations[] = {
{disassemble_progs, 0}, // disassemble
{dump_globals, 0}, // globals
{dump_strings, 0}, // strings
{dump_fields, 0}, // fields
{dump_functions, 0}, // functions
{dump_lines, 0}, // lines
{dump_modules, 0}, // modules
};
int int
main (int argc, char **argv) main (int argc, char **argv)
{ {
int c; int c;
void (*func)(progs_t *pr) = dump_globals; operation_t *func = &operations[0];
while ((c = getopt_long (argc, argv, while ((c = getopt_long (argc, argv,
"dgsfFlMP:vn", long_options, 0)) != EOF) { "dgsfFlMP:vn", long_options, 0)) != EOF) {
switch (c) { switch (c) {
case 'd': case 'd':
func = disassemble_progs; func = &operations[0];
break; break;
case 'g': case 'g':
func = dump_globals; func = &operations[1];
break; break;
case 's': case 's':
func = dump_strings; func = &operations[2];
break; break;
case 'f': case 'f':
func = dump_fields; func = &operations[3];
break; break;
case 'F': case 'F':
func = dump_functions; func = &operations[4];
break; break;
case 'l': case 'l':
func = dump_lines; func = &operations[5];
break; break;
case 'M': case 'M':
func = dump_modules; func = &operations[6];
break; break;
case 'P': case 'P':
source_path = strdup (optarg); source_path = strdup (optarg);
@ -432,7 +531,10 @@ main (int argc, char **argv)
while (optind < argc) { while (optind < argc) {
if (!load_progs (argv[optind++])) if (!load_progs (argv[optind++]))
return 1; return 1;
func (&pr); if (qfo && func->qfo)
func->qfo (qfo);
else
func->progs (&pr);
} }
return 0; return 0;
} }