target/xtensa: fix access ring in l32ex

[mirror_qemu.git] / util / hexdump.c

diff --git a/util/hexdump.c b/util/hexdump.c
index 969b3406c07b20fcf014aead3b140b1a0fa7b33f..2c105a8846200a044f82b7580dfd83a379e5b905 100644 (file)
--- a/util/hexdump.c
+++ b/util/hexdump.c
@@ -13,25 +13,53 @@
  * GNU GPL, version 2 or (at your option) any later version.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 
-void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size)
+void qemu_hexdump_line(char *line, unsigned int b, const void *bufptr,
+                       unsigned int len, bool ascii)
 {
-    unsigned int b;
+    const char *buf = bufptr;
+    int i, c;
 
-    for (b = 0; b < size; b++) {
-        if ((b % 16) == 0) {
-            fprintf(fp, "%s: %04x:", prefix, b);
+    if (len > QEMU_HEXDUMP_LINE_BYTES) {
+        len = QEMU_HEXDUMP_LINE_BYTES;
+    }
+
+    line += snprintf(line, 6, "%04x:", b);
+    for (i = 0; i < QEMU_HEXDUMP_LINE_BYTES; i++) {
+        if ((i % 4) == 0) {
+            *line++ = ' ';
         }
-        if ((b % 4) == 0) {
-            fprintf(fp, " ");
+        if (i < len) {
+            line += sprintf(line, " %02x", (unsigned char)buf[b + i]);
+        } else {
+            line += sprintf(line, "   ");
         }
-        fprintf(fp, " %02x", (unsigned char)buf[b]);
-        if ((b % 16) == 15) {
-            fprintf(fp, "\n");
+    }
+    if (ascii) {
+        *line++ = ' ';
+        for (i = 0; i < len; i++) {
+            c = buf[b + i];
+            if (c < ' ' || c > '~') {
+                c = '.';
+            }
+            *line++ = c;
         }
     }
-    if ((b % 16) != 0) {
-        fprintf(fp, "\n");
+    *line = '\0';
+}
+
+void qemu_hexdump(FILE *fp, const char *prefix,
+                  const void *bufptr, size_t size)
+{
+    unsigned int b, len;
+    char line[QEMU_HEXDUMP_LINE_LEN];
+
+    for (b = 0; b < size; b += QEMU_HEXDUMP_LINE_BYTES) {
+        len = size - b;
+        qemu_hexdump_line(line, b, bufptr, len, true);
+        fprintf(fp, "%s: %s\n", prefix, line);
     }
+
 }