*
* This work is licensed under the terms of 3-clause BSD license.
* See COPYING file in the top-level directory.
+ *
+ * recognized asm hint comments:
+ * sctattr - function attributes (see code)
+ * sctend - force end of function/chunk
+ * sctpatch: <p> - replace current asm line with <p>
+ * sctproto: <p> - prototype of ref'd function or struct
+ * sctref - variable is referenced, make global
+ * sctskip_start - start of skipped code chunk (inclusive)
+ * sctskip_end - end of skipped code chunk (inclusive)
*/
#define _GNU_SOURCE
if (po->pp != NULL && po->pp->is_noreturn)
seen_noreturn = 1;
else
- return -1;
+ goto out;
}
else
- return -1; // deadend
+ goto out;
}
if (po->flags & (OPF_RMD|OPF_DONE|OPF_FARG))
}
}
+out:
// for noreturn, assume msvc skipped stack cleanup
return seen_noreturn ? 1 : -1;
}
lmod_cast_s(po, po->operand[0].lmod), buf2);
last_arith_dst = &po->operand[0];
delayed_flag_op = NULL;
- if (pfomask & (1 << PFO_C)) {
+ if (pfomask & PFOB_C) {
fprintf(fout, "\n cond_c = (%s != 0);", buf1);
- pfomask &= ~(1 << PFO_C);
+ pfomask &= ~PFOB_C;
}
+ output_std_flags(fout, po, &pfomask, buf1);
break;
case OP_IMUL:
if (pp->arg[arg].type.is_retreg)
fprintf(fout, "&%s", pp->arg[arg].reg);
else if (IS(pp->arg[arg].reg, "ebp")
- && !(po->flags & OPF_EBP_S))
+ && g_bp_frame && !(po->flags & OPF_EBP_S))
{
// rare special case
fprintf(fout, "%s(u32)&sf.b[sizeof(sf)]", cast);
po->regmask_dst |= 1 << xAX;
dep = hg_fp_find_dep(fp, po->operand[0].name);
- if (dep != NULL)
+ if (dep != NULL) {
dep->regmask_live = regmask_save | regmask_dst;
+ if (g_bp_frame && !(po->flags & OPF_EBP_S))
+ dep->regmask_live |= 1 << xBP;
+ }
}
else if (po->op == OP_RET) {
if (po->operand_cnt > 0) {
// noreturn OS functions
break;
}
- if (ops[i].op != OP_NOP)
+ if (ops[i].op != OP_NOP && ops[i].op != OPP_ABORT)
ferr(&ops[i], "unreachable code\n");
}
long pos;
p = strrchr(p, ';');
- if (p != NULL && *p == ';' && IS_START(p + 2, "DATA XREF: ")) {
- p += 13;
- if (is_xref_needed(p, rlist, rlist_len))
+ if (p != NULL && *p == ';') {
+ if (IS_START(p + 2, "sctref"))
return 1;
+ if (IS_START(p + 2, "DATA XREF: ")) {
+ p += 13;
+ if (is_xref_needed(p, rlist, rlist_len))
+ return 1;
+ }
}
pos = ftell(fasm);
p = strrchr(p, ';');
p += 2;
+
+ if (IS_START(p, "sctref")) {
+ found_need = 1;
+ break;
+ }
+
// it's printed once, but no harm to check again
if (IS_START(p, "DATA XREF: "))
p += 11;
return strcmp(c1->name, c2->name);
}
-static void scan_ahead(FILE *fasm)
+static void scan_ahead_for_chunks(FILE *fasm)
{
char words[2][256];
char line[256];
if (addr > f_addr && !scanned_ahead) {
//anote("scan_ahead caused by '%s', addr %lx\n",
// g_func, addr);
- scan_ahead(fasm);
+ scan_ahead_for_chunks(fasm);
scanned_ahead = 1;
func_chunks_sorted = 0;
}