Supported the structure and enumeration types.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@19 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

3 files changed, 69 insertions, 24 deletions

diff --git a/ChangeLog b/ChangeLog
index 4969bee..87f4450 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2008-08-22  Cyrille Bagard <nocbos@gmail.com>
 
+	* src/format/dwarf/abbrev.c:
+	Support the DW_FORM_sdata and DW_FORM_udata values.
+
+	* src/format/dwarf/info.c:
+	Support the structure and enumeration types.
+
+2008-08-22  Cyrille Bagard <nocbos@gmail.com>
+
 	* src/binary.c:
 	Skip the GUI display.
 
diff --git a/src/format/dwarf/abbrev.c b/src/format/dwarf/abbrev.c
index a9fee2c..ba6cfb0 100644
--- a/src/format/dwarf/abbrev.c
+++ b/src/format/dwarf/abbrev.c
@@ -397,11 +397,13 @@ bool _read_dwarf_abbrev_attribute(dwarf_format *format, off_t *pos, DwarfForm fo
     uint16_t *val16;                        /* Données sur 16 bits         */
     uint32_t *val32;                        /* Données sur 32 bits         */
     uint64_t *val64;                        /* Données sur 64 bits         */
+    uint64_t *sval64;                       /* Données sur 64 bits (signée)*/
     bool *boolval;                          /* Valeur booléenne            */
     uint8_t tmp8;                           /* Données sur 8 bits          */
     uint16_t tmp16;                         /* Données sur 16 bits         */
     uint32_t tmp32;                         /* Données sur 32 bits         */
     uint64_t tmp64;                         /* Données sur 64 bits         */
+    uint64_t stmp64;                        /* Données sur 64 bits (signée)*/
     uint64_t size_to_read;                  /* Nombre d'octets à lire      */
     off_t offset;                           /* Décallage dans une zone     */
     char **strval;                          /* Chaîne de caractères        */
@@ -420,8 +422,7 @@ bool _read_dwarf_abbrev_attribute(dwarf_format *format, off_t *pos, DwarfForm fo
                 {
                     if (format->format == DWF_32_BITS)
                     {
-                        tmp32 = *((uint32_t *)&DBG_FORMAT(format)->content[*pos]);
-                        //memcpy(&tmp32, &DBG_FORMAT(format)->content[*pos], 4);
+                        memcpy(&tmp32, &DBG_FORMAT(format)->content[*pos], 4);
                         *val64 = tmp32;
                     }
                     else memcpy(val64, &DBG_FORMAT(format)->content[*pos], 8);
@@ -571,13 +572,11 @@ bool _read_dwarf_abbrev_attribute(dwarf_format *format, off_t *pos, DwarfForm fo
             break;
 
         case DWF_SDATA:
-            result = ((*pos + 4) <= DBG_FORMAT(format)->length);
-
-            printf("bad\n"); exit(0);
-
+            sval64 = va_arg(ap, int64_t *);
+            if (sval64 == NULL) sval64 = &stmp64;
+            result = read_uleb128(format, pos, sval64, true);
             break;
 
-
         case DWF_STRP:
             result = read_abbrev_offset(format, pos, &offset);
             if (result)
@@ -594,19 +593,16 @@ bool _read_dwarf_abbrev_attribute(dwarf_format *format, off_t *pos, DwarfForm fo
             }
             break;
 
-
         case DWF_UDATA:
-            result = ((*pos + 4) <= DBG_FORMAT(format)->length);
-
-            printf("bad\n"); exit(0);
-
+            val64 = va_arg(ap, uint64_t *);
+            if (val64 == NULL) val64 = &tmp64;
+            result = read_uleb128(format, pos, val64, true);
             break;
 
-
         case DWF_REF_ADDR:
             result = ((*pos + 4) <= DBG_FORMAT(format)->length);
 
-            printf("bad\n"); exit(0);
+            printf("bad at %d\n", __LINE__); exit(0);
 
             break;
 
@@ -654,7 +650,7 @@ bool _read_dwarf_abbrev_attribute(dwarf_format *format, off_t *pos, DwarfForm fo
         case DWF_REF_UDATA:
             result = ((*pos + 4) <= DBG_FORMAT(format)->length);
 
-            printf("bad\n"); exit(0);
+            printf("bad at %d\n", __LINE__); exit(0);
 
             break;
 
@@ -662,7 +658,7 @@ bool _read_dwarf_abbrev_attribute(dwarf_format *format, off_t *pos, DwarfForm fo
         case DWF_INDIRECT:
             result = ((*pos + 4) <= DBG_FORMAT(format)->length);
 
-            printf("bad\n"); exit(0);
+            printf("bad at %d\n", __LINE__); exit(0);
 
             break;
 
diff --git a/src/format/dwarf/info.c b/src/format/dwarf/info.c
index 30d2391..a45b556 100644
--- a/src/format/dwarf/info.c
+++ b/src/format/dwarf/info.c
@@ -558,7 +558,7 @@ bool look_for_dwarf_subprograms(dwarf_format *format, off_t *pos, const compil_u
 
             }
 
-            exit_loop:
+ exit_loop:
 
             proto_len += 1;
             prototype = (char *)realloc(prototype, (proto_len + 1) * sizeof(char));
@@ -584,10 +584,6 @@ bool look_for_dwarf_subprograms(dwarf_format *format, off_t *pos, const compil_u
             printf("error skipping :(\n");
 
 
-        printf("    == progress %d\n", *pos - oldpos);
-        printf("    == %d < %d\n", *pos, cu->endpos);
-
-
     }
 
 
@@ -634,11 +630,25 @@ char *resolve_dwarf_function_type(dwarf_format *format, const dw_abbrev *abbrev,
 
     switch (abbrev->tag)
     {
-        case DWT_BASE_TYPE:
+        /* 0x04 */
+        case DWT_ENUMERATION_TYPE:
+
             oldpos = *pos;
-            read_dwarf_abbrev_attribute(format, &oldpos, true, abbrev, DWA_NAME, &result);
+            read_dwarf_abbrev_attribute(format, &oldpos, true /* ??? */, abbrev, DWA_NAME, &result);
+
+            if (result != NULL)
+            {
+                len = strlen(result);
+
+                result = (char *)realloc(result, (strlen("enum ") + len + 1) * sizeof(char));
+                memmove(&result[strlen("enum ")], result, len);
+                memcpy(result, "enum ", strlen("enum "));
+
+            }
+
             break;
 
+        /* 0x0f */
         case DWT_POINTER_TYPE:
 
             if (read_dwarf_abbrev_attribute(format, &oldpos, true, abbrev, DWA_TYPE, &type_pos))
@@ -675,6 +685,37 @@ char *resolve_dwarf_function_type(dwarf_format *format, const dw_abbrev *abbrev,
 
             break;
 
+        /* 0x13 */
+        case DWT_STRUCTURE_TYPE:
+
+            oldpos = *pos;
+            read_dwarf_abbrev_attribute(format, &oldpos, true /* ??? */, abbrev, DWA_NAME, &result);
+
+            if (result != NULL)
+            {
+                len = strlen(result);
+
+                result = (char *)realloc(result, (strlen("struct ") + len + 1) * sizeof(char));
+                memmove(&result[strlen("struct ")], result, len);
+                memcpy(result, "struct ", strlen("struct "));
+
+            }
+
+            break;
+
+        /* 0x16 */
+        case DWT_TYPEDEF:
+            oldpos = *pos;
+            read_dwarf_abbrev_attribute(format, &oldpos, true /* ??? */, abbrev, DWA_NAME, &result);
+            break;
+
+        /* 0x24 */
+        case DWT_BASE_TYPE:
+            oldpos = *pos;
+            read_dwarf_abbrev_attribute(format, &oldpos, true /* ??? */, abbrev, DWA_NAME, &result);
+            break;
+
+        /* 0x26 */
         case DWT_CONST_TYPE:
 
 
@@ -702,7 +743,7 @@ char *resolve_dwarf_function_type(dwarf_format *format, const dw_abbrev *abbrev,
             {
                 len = strlen(result);
 
-                result = (char *)realloc(result, (len + strlen("const ") + 1) * sizeof(char));
+                result = (char *)realloc(result, (strlen("const ") + len + 1) * sizeof(char));
                 memmove(&result[strlen("const ")], result, len);
                 memcpy(result, "const ", strlen("const "));