binman: sanity check data area, fix end reporting

diff --git a/Kernel/tools/binman.c b/Kernel/tools/binman.c
index af1d167..a29ea2d 100644 (file)
--- a/Kernel/tools/binman.c
+++ b/Kernel/tools/binman.c
@@ -123,6 +123,17 @@ int main(int argc, char *argv[])
                exit(1);
        }
 
+        printf("Scanning data from 0x%x to 0x%x\n",
+                s__DATA, s__DATA + l__DATA);
+       base = s__DATA;
+       while (base < s__DATA + l__DATA) {
+               if (buf[base] && buf[base] != 0xFF) {
+                       fprintf(stderr, "0x%04x:0x%02x\n",
+                               base, (unsigned char)buf[base]);
+                }
+                base++;
+        }
+
        /* Our standard layout begins with the code */
        start = s__CODE;
 
@@ -215,7 +226,6 @@ int main(int argc, char *argv[])
                 /* Common may follow but only if we didn't relocate it */
                if (reloc == 0 && end < s__COMMONMEM +  l__COMMONMEM)
                        end = s__COMMONMEM + l__COMMONMEM;
-               printf("End at 0x%04x\n", end);
 
                 /* Packed image with common over initializer */
                if (!s__DISCARD || pack_discard) {
@@ -223,6 +233,8 @@ int main(int argc, char *argv[])
                        printf("\nPacked image %d bytes, for RAM target\n",
                               end);
                }
+               else
+                       printf("End at 0x%04x\n", end);
        } else {
                printf("ROM target: leaving\n");
                exit(0);