asmproc: add option to ignore missing syms

diff --git a/tools/asmproc.c b/tools/asmproc.c
index e152669..678f58f 100644 (file)
--- a/tools/asmproc.c
+++ b/tools/asmproc.c
@@ -9,6 +9,7 @@ struct sl_item {
        char *name;
        unsigned int callsites:1;
        unsigned int found:1;
+       unsigned int ignore_missing:1;
 };
 
 static int cmp_sym(const void *p1_, const void *p2_)
@@ -50,7 +51,7 @@ static int cmp_sym_sort(const void *p1_, const void *p2_)
 }
 
 void read_list(struct sl_item **sl_in, int *cnt, int *alloc,
-       FILE *f, int callsites)
+       FILE *f, int callsites, int ignore_missing)
 {
        struct sl_item *sl = *sl_in;
        int c = *cnt;
@@ -64,6 +65,7 @@ void read_list(struct sl_item **sl_in, int *cnt, int *alloc,
 
                sl[c].name = strdup(word);
                sl[c].callsites = callsites;
+               sl[c].ignore_missing = ignore_missing;
                sl[c].found = 0;
                c++;
 
@@ -101,6 +103,7 @@ int main(int argc, char *argv[])
 {
        struct sl_item *symlist, *sym, ssym = { NULL, };
        int patch_callsites = 0;
+       int ignore_missing = 0;
        FILE *fout, *fin, *f;
        int symlist_alloc;
        int symlist_cnt;
@@ -116,9 +119,10 @@ int main(int argc, char *argv[])
        int i;
 
        if (argc < 4) {
-               // -c - patch callsites
-               printf("usage:\n%s <asmf_out> <asmf_in> [[-c] <listf>]*>\n",
+               printf("usage:\n%s <asmf_out> <asmf_in> [[-c][-i] <listf>]*>\n",
                        argv[0]);
+               printf("  -c - patch callsites\n"
+                                        "  -i - ignore missing syms\n");
                return 1;
        }
 
@@ -132,14 +136,19 @@ int main(int argc, char *argv[])
                        patch_callsites = 1;
                        continue;
                }
+               if (strcmp(argv[i], "-i") == 0) {
+                       ignore_missing = 1;
+                       continue;
+               }
 
                f = fopen(argv[i], "r");
                my_assert_not(f, NULL);
                read_list(&symlist, &symlist_cnt, &symlist_alloc,
-                       f, patch_callsites);
+                       f, patch_callsites, ignore_missing);
                fclose(f);
 
                patch_callsites = 0;
+               ignore_missing = 0;
        }
 
        qsort(symlist, symlist_cnt, sizeof(symlist[0]), cmp_sym_sort);
@@ -311,7 +320,7 @@ offset_loop:
        }
 
        for (i = 0; i < symlist_cnt; i++) {
-               if (!symlist[i].found)
+               if (!symlist[i].found && !symlist[i].ignore_missing)
                        printf("warning: sym '%s' not found\n", symlist[i].name);
        }