Changes in uspace/app/taskdump/taskdump.c [e3a3a619:36e9cd1] in mainline

File:

• uspace/app/taskdump/taskdump.c (modified) (3 diffs)

uspace/app/taskdump/taskdump.c

@@ -54 +54 @@
 #define LINE_BYTES 16
 
+#define DBUF_SIZE 4096
+static uint8_t data_buf[DBUF_SIZE];
+
 static int phoneid;
 static task_id_t task_id;
@@ -67 +70 @@
 static int thread_dump(uintptr_t thash);
 static int areas_dump(void);
+static int area_dump(as_area_info_t *area);
+static void hex_dump(uintptr_t addr, void *buffer, size_t size);
 static int td_read_uintptr(void *arg, uintptr_t addr, uintptr_t *value);
 
@@ -351 +356 @@
 }
 
+static __attribute__((unused)) int area_dump(as_area_info_t *area)
+{
+        size_t to_copy;
+        size_t total;
+        uintptr_t addr;
+        int rc;
+
+        addr = area->start_addr;
+        total = 0;
+
+        while (total < area->size) {
+                to_copy = min(area->size - total, DBUF_SIZE);
+                rc = udebug_mem_read(phoneid, data_buf, addr, to_copy);
+                if (rc < 0) {
+                        printf("udebug_mem_read() failed.\n");
+                        return rc;
+                }
+
+                hex_dump(addr, data_buf, to_copy);
+
+                addr += to_copy;
+                total += to_copy;
+        }
+
+        return EOK;
+}
+
+static void hex_dump(uintptr_t addr, void *buffer, size_t size)
+{
+        uint8_t *data = (uint8_t *) buffer;
+        uint8_t b;
+        size_t pos, i;
+
+        assert(addr % LINE_BYTES == 0);
+        assert(size % LINE_BYTES == 0);
+
+        pos = 0;
+
+        while (pos < size) {
+                printf("%08lx:", addr + pos);
+                for (i = 0; i < LINE_BYTES; ++i) {
+                        if (i % 4 == 0) putchar(' ');
+                        printf(" %02x", data[pos + i]);
+                }
+                putchar('\t');
+
+                for (i = 0; i < LINE_BYTES; ++i) {
+                        b = data[pos + i];
+                        if (b >= 32 && b < 127) {
+                                putchar(b);
+                        } else {
+                                putchar(' ');
+                        }
+                }
+                putchar('\n');
+                pos += LINE_BYTES;
+        }
+}
+
 static int td_read_uintptr(void *arg, uintptr_t addr, uintptr_t *value)
 {