style whitespace
authorDima Kogan <dima@secretsauce.net>
Wed, 23 Apr 2014 22:45:40 +0000 (15:45 -0700)
committerChanho Park <chanho61.park@samsung.com>
Fri, 22 Aug 2014 11:38:25 +0000 (20:38 +0900)
dwarf_prototypes.c

index 24da288..cc60c2b 100644 (file)
 //#define DUMP_PROTOTYPES
 
 #if 1
-#define complain( die, format, ... )                                                   \
+#define complain(die, format, ...)                                                             \
        fprintf(stderr, "%s() die '%s' @ 0x%lx: " format "\n",          \
                        __func__, dwarf_diename(die), dwarf_dieoffset(die),     \
-                       ##__VA_ARGS__ )
+                       ##__VA_ARGS__)
 #else
-#define complain( die, format, ... )
+#define complain(die, format, ...)
 #endif
 
 #define NEXT_SIBLING(die)                                                              \
@@ -73,7 +73,7 @@ static bool _dump_dwarf_tree(Dwarf_Die* die, int indent)
 
 static bool dump_dwarf_tree(Dwarf_Die* die)
 {
-    return _dump_dwarf_tree( die, 0 );
+    return _dump_dwarf_tree(die, 0);
 }
 #endif
 
@@ -114,7 +114,7 @@ static bool _dump_ltrace_tree(const struct arg_type_info* info, int indent)
 
        case ARGTYPE_POINTER:
                fprintf(stderr, "%*s%p pointer to...\n", indent*4, "", (void*)info);
-               _dump_ltrace_tree( info->u.ptr_info.info, indent+1 );
+               _dump_ltrace_tree(info->u.ptr_info.info, indent+1);
                break;
 
        case ARGTYPE_STRUCT:
@@ -126,7 +126,7 @@ static bool _dump_ltrace_tree(const struct arg_type_info* info, int indent)
                }* elements = (struct struct_field*)info->u.entries.data;
                unsigned int i;
                for(i=0; i<info->u.entries.size; i++)
-                       _dump_ltrace_tree( elements[i].info, indent+1 );
+                       _dump_ltrace_tree(elements[i].info, indent+1);
                break;
 
        default:
@@ -139,7 +139,7 @@ static bool _dump_ltrace_tree(const struct arg_type_info* info, int indent)
 
 static bool dump_ltrace_tree(const struct arg_type_info* info)
 {
-       return _dump_ltrace_tree( info, 0 );
+       return _dump_ltrace_tree(info, 0);
 }
 #endif
 
@@ -222,7 +222,7 @@ static bool get_integer_base_type(enum arg_type* type, int byte_size, bool is_si
 static enum arg_type get_base_type(Dwarf_Die* die)
 {
        int64_t encoding;
-       if( !get_die_numeric((uint64_t*)&encoding, die, DW_AT_encoding))
+       if(!get_die_numeric((uint64_t*)&encoding, die, DW_AT_encoding))
                return ARGTYPE_VOID;
 
        if (encoding == DW_ATE_void)
@@ -355,13 +355,13 @@ static bool get_enum(struct arg_type_info* enum_info, Dwarf_Die* parent)
                        return false;
                }
 
-               struct value* value = calloc( 1, sizeof(struct value));
+               struct value* value = calloc(1, sizeof(struct value));
                if (value == NULL) {
                        complain(&die, "Couldn't alloc enum value");
                        return false;
                }
 
-               value_init_detached(value, NULL, type_get_simple( enum_info->type ), 0);
+               value_init_detached(value, NULL, type_get_simple(enum_info->type), 0);
                uint64_t enum_value;
                if (!get_die_numeric(&enum_value, &die, DW_AT_const_value)) {
                        complain(&die, "Couldn't get enum value");
@@ -370,7 +370,7 @@ static bool get_enum(struct arg_type_info* enum_info, Dwarf_Die* parent)
 
                value_set_word(value, (long)enum_value);
 
-               if (lens_enum_add( lens, dupkey, 0, value, 0 )) {
+               if (lens_enum_add(lens, dupkey, 0, value, 0)) {
                        complain(&die, "Couldn't add enum element");
                        return false;
                }
@@ -384,14 +384,14 @@ static bool get_enum(struct arg_type_info* enum_info, Dwarf_Die* parent)
 static bool get_array(struct arg_type_info* array_info, Dwarf_Die* parent)
 {
        Dwarf_Die type_die;
-       if (!get_type_die( &type_die, parent )) {
-               complain( parent, "Array has unknown type" );
+       if (!get_type_die(&type_die, parent)) {
+               complain(parent, "Array has unknown type");
                return false;
        }
 
        struct arg_type_info* info;
-       if (!get_type( &info, &type_die )) {
-               complain( parent, "Couldn't figure out array's type" );
+       if (!get_type(&info, &type_die)) {
+               complain(parent, "Couldn't figure out array's type");
                return false;
        }
 
@@ -412,12 +412,12 @@ static bool get_array(struct arg_type_info* array_info, Dwarf_Die* parent)
        if (dwarf_hasattr(&subrange, DW_AT_lower_bound)) {
                uint64_t lower_bound;
                if (!get_die_numeric(&lower_bound, &subrange, DW_AT_lower_bound)) {
-                       complain( parent, "Couldn't read lower bound");
+                       complain(parent, "Couldn't read lower bound");
                        return false;
                }
 
                if (lower_bound != 0) {
-                       complain( parent,
+                       complain(parent,
                                          "Array subrange has a nonzero lower bound. Don't know what to do");
                        return false;
                }
@@ -432,7 +432,7 @@ static bool get_array(struct arg_type_info* array_info, Dwarf_Die* parent)
        else
        {
                if (!get_die_numeric(&N, &subrange, DW_AT_upper_bound)) {
-                       complain( parent, "Couldn't read upper bound");
+                       complain(parent, "Couldn't read upper bound");
                        return false;
                }
                N++;
@@ -441,22 +441,22 @@ static bool get_array(struct arg_type_info* array_info, Dwarf_Die* parent)
        // I'm not checking the subrange type. It should be some sort of integer,
        // and I don't know what it would mean for it to be something else
 
-       struct value* value = calloc( 1, sizeof(struct value));
+       struct value* value = calloc(1, sizeof(struct value));
        if (value == NULL) {
                complain(&subrange, "Couldn't alloc length value");
                return false;
        }
-       value_init_detached(value, NULL, type_get_simple( ARGTYPE_INT ), 0);
-       value_set_word(value, N );
+       value_init_detached(value, NULL, type_get_simple(ARGTYPE_INT), 0);
+       value_set_word(value, N);
 
-       struct expr_node* length = calloc( 1, sizeof(struct expr_node));
+       struct expr_node* length = calloc(1, sizeof(struct expr_node));
        if (length == NULL) {
                complain(&subrange, "Couldn't alloc length expr");
                return false;
        }
        expr_init_const(length, value);
 
-       type_init_array(array_info, info, 0, length, 0 );
+       type_init_array(array_info, info, 0, length, 0);
 
        return true;
 }
@@ -480,17 +480,17 @@ static bool get_structure(struct arg_type_info* struct_info, Dwarf_Die* parent)
                }
 
                Dwarf_Die type_die;
-               if (!get_type_die( &type_die, &die )) {
-                       complain( &die, "Couldn't get type of element");
+               if (!get_type_die(&type_die, &die)) {
+                       complain(&die, "Couldn't get type of element");
                        return false;
                }
 
                struct arg_type_info* member_info = NULL;
-               if (!get_type( &member_info, &type_die )) {
+               if (!get_type(&member_info, &type_die)) {
                        complain(&die, "Couldn't parse type from DWARF data");
                        return false;
                }
-               type_struct_add( struct_info, member_info, 0 );
+               type_struct_add(struct_info, member_info, 0);
 
                NEXT_SIBLING(&die);
        }
@@ -503,7 +503,7 @@ static bool get_structure(struct arg_type_info* struct_info, Dwarf_Die* parent)
 static bool get_type(struct arg_type_info** info, Dwarf_Die* type_die)
 {
        Dwarf_Off die_offset = dwarf_dieoffset(type_die);
-       struct arg_type_info** found_type = dict_find(&type_hash, &die_offset );
+       struct arg_type_info** found_type = dict_find(&type_hash, &die_offset);
        if (found_type != NULL) {
                *info = *found_type;
                complain(type_die, "Read pre-computed type: %p", *info);
@@ -514,31 +514,31 @@ static bool get_type(struct arg_type_info** info, Dwarf_Die* type_die)
 
        switch (dwarf_tag(type_die)) {
        case DW_TAG_base_type:
-               *info = type_get_simple( get_base_type( type_die ));
+               *info = type_get_simple(get_base_type(type_die));
                complain(type_die, "Storing base type: %p", *info);
-               dict_insert( &type_hash, &die_offset, info );
+               dict_insert(&type_hash, &die_offset, info);
                return true;
 
        case DW_TAG_subroutine_type:
        case DW_TAG_inlined_subroutine:
                // function pointers are stored as void*. If ltrace tries to dereference
                // these, it'll get a segfault
-               *info = type_get_simple( ARGTYPE_VOID );
+               *info = type_get_simple(ARGTYPE_VOID);
                complain(type_die, "Storing subroutine type: %p", *info);
-               dict_insert( &type_hash, &die_offset, info );
+               dict_insert(&type_hash, &die_offset, info);
                return true;
 
        case DW_TAG_pointer_type:
 
-               if (!get_type_die(&next_die, type_die )) {
+               if (!get_type_die(&next_die, type_die)) {
                        // the pointed-to type isn't defined, so I report a void*
-                       *info = type_get_simple( ARGTYPE_VOID );
+                       *info = type_get_simple(ARGTYPE_VOID);
                        complain(type_die, "Storing void-pointer type: %p", *info);
-                       dict_insert( &type_hash, &die_offset, info );
+                       dict_insert(&type_hash, &die_offset, info);
                        return true;
                }
 
-               *info = calloc( 1, sizeof(struct arg_type_info));
+               *info = calloc(1, sizeof(struct arg_type_info));
                if (*info == NULL) {
                        complain(type_die, "alloc error");
                        return false;
@@ -546,19 +546,19 @@ static bool get_type(struct arg_type_info** info, Dwarf_Die* type_die)
                type_init_pointer(*info, NULL, 0);
 
                complain(type_die, "Storing pointer type: %p", *info);
-               dict_insert( &type_hash, &die_offset, info );
-               return get_type( &(*info)->u.ptr_info.info, &next_die );
+               dict_insert(&type_hash, &die_offset, info);
+               return get_type(&(*info)->u.ptr_info.info, &next_die);
 
        case DW_TAG_structure_type:
-               *info = calloc( 1, sizeof(struct arg_type_info));
+               *info = calloc(1, sizeof(struct arg_type_info));
                if (*info == NULL) {
                        complain(type_die, "alloc error");
                        return false;
                }
 
                complain(type_die, "Storing struct type: %p", *info);
-               dict_insert( &type_hash, &die_offset, info );
-               return get_structure( *info, type_die );
+               dict_insert(&type_hash, &die_offset, info);
+               return get_structure(*info, type_die);
 
 
        case DW_TAG_typedef:
@@ -566,46 +566,46 @@ static bool get_type(struct arg_type_info** info, Dwarf_Die* type_die)
        case DW_TAG_volatile_type: {
                // Various tags are simply pass-through, so I just keep going
                bool res = true;
-               if (get_type_die(&next_die, type_die )) {
+               if (get_type_die(&next_die, type_die)) {
                        complain(type_die, "Storing const/typedef type: %p", *info);
-                       res = get_type( info, &next_die );
+                       res = get_type(info, &next_die);
                } else {
                        // no type. Use 'void'. Normally I'd think this is bogus, but stdio
                        // typedefs something to void
-                       *info = type_get_simple( ARGTYPE_VOID );
+                       *info = type_get_simple(ARGTYPE_VOID);
                        complain(type_die, "Storing void type: %p", *info);
                }
                if (res)
-                       dict_insert( &type_hash, &die_offset, info );
+                       dict_insert(&type_hash, &die_offset, info);
                return res;
        }
 
        case DW_TAG_enumeration_type:
                // We have an enumeration. This has type "int", but has a particular
                // lens to handle the enum
-               *info = calloc( 1, sizeof(struct arg_type_info));
+               *info = calloc(1, sizeof(struct arg_type_info));
                if (*info == NULL) {
                        complain(type_die, "alloc error");
                        return false;
                }
 
                complain(type_die, "Storing enum int: %p", *info);
-               dict_insert( &type_hash, &die_offset, info );
-               return get_enum( *info, type_die );
+               dict_insert(&type_hash, &die_offset, info);
+               return get_enum(*info, type_die);
 
        case DW_TAG_array_type:
-               *info = calloc( 1, sizeof(struct arg_type_info));
+               *info = calloc(1, sizeof(struct arg_type_info));
                if (*info == NULL) {
                        complain(type_die, "alloc error");
                        return false;
                }
 
                complain(type_die, "Storing array: %p", *info);
-               dict_insert( &type_hash, &die_offset, info );
-               return get_array( *info, type_die );
+               dict_insert(&type_hash, &die_offset, info);
+               return get_array(*info, type_die);
 
        case DW_TAG_union_type:
-               *info = type_get_simple( ARGTYPE_VOID );
+               *info = type_get_simple(ARGTYPE_VOID);
                complain(type_die, "Storing union-as-void type: %p", *info);
                return true;
 
@@ -622,18 +622,18 @@ static bool get_prototype(struct prototype* proto, Dwarf_Die* subroutine)
        // First, look at the return type. This is stored in a DW_AT_type tag in the
        // subroutine DIE. If there is no such tag, this function returns void
        Dwarf_Die return_type_die;
-       if (!get_type_die(&return_type_die, subroutine )) {
-               proto->return_info = type_get_simple( ARGTYPE_VOID );
+       if (!get_type_die(&return_type_die, subroutine)) {
+               proto->return_info = type_get_simple(ARGTYPE_VOID);
                proto->own_return_info = 0;
        } else {
-               proto->return_info = calloc( 1, sizeof( struct arg_type_info ));
+               proto->return_info = calloc(1, sizeof(struct arg_type_info));
                if (proto->return_info == NULL) {
                        complain(subroutine, "Couldn't alloc return type");
                        return false;
                }
                proto->own_return_info = 0;
 
-               if (!get_type( &proto->return_info, &return_type_die )) {
+               if (!get_type(&proto->return_info, &return_type_die)) {
                        complain(subroutine, "Couldn't get return type");
                        return false;
                }
@@ -653,13 +653,13 @@ static bool get_prototype(struct prototype* proto, Dwarf_Die* subroutine)
                        complain(&arg_die, "arg: 0x%02x", dwarf_tag(&arg_die));
 
                        Dwarf_Die type_die;
-                       if (!get_type_die(&type_die, &arg_die )) {
+                       if (!get_type_die(&type_die, &arg_die)) {
                                complain(&arg_die, "Couldn't get the argument type die");
                                return false;
                        }
 
                        struct arg_type_info* arg_type_info = NULL;
-                       if (!get_type( &arg_type_info, &type_die )) {
+                       if (!get_type(&arg_type_info, &type_die)) {
                                complain(&arg_die, "Couldn't parse arg type from DWARF data");
                                return false;
                        }
@@ -695,7 +695,7 @@ static bool import_subprogram(struct protolib* plib, struct library* lib,
        if (function_name == NULL)
                function_name = dwarf_diename(die);
        if (function_name == NULL) {
-               complain(die, "Function has no name. Not importing" );
+               complain(die, "Function has no name. Not importing");
                return true;
        }
 
@@ -704,7 +704,7 @@ static bool import_subprogram(struct protolib* plib, struct library* lib,
                         dwarf_tag(die), function_name);
 
        struct prototype* proto =
-               protolib_lookup_prototype(plib, function_name, false );
+               protolib_lookup_prototype(plib, function_name, false);
 
        if (proto != NULL) {
                complain(die, "Prototype already exists. Skipping");
@@ -723,9 +723,9 @@ static bool import_subprogram(struct protolib* plib, struct library* lib,
                complain(die, "couldn't alloc prototype");
                return false;
        }
-       prototype_init( proto );
+       prototype_init(proto);
 
-       if (!get_prototype(proto, die )) {
+       if (!get_prototype(proto, die)) {
                complain(die, "couldn't get prototype");
                return false;
        }
@@ -757,7 +757,7 @@ static bool process_die_compileunit(struct protolib* plib, struct library* lib,
 static bool import(struct protolib* plib, struct library* lib, Dwfl* dwfl)
 {
        dict_init(&type_hash, sizeof(Dwarf_Off), sizeof(struct arg_type_info*),
-                         dwarf_die_hash, dwarf_die_eq, NULL );
+                         dwarf_die_hash, dwarf_die_eq, NULL);
 
        Dwarf_Addr bias;
     Dwarf_Die* die = NULL;
@@ -775,7 +775,7 @@ static bool import(struct protolib* plib, struct library* lib, Dwfl* dwfl)
         }
     }
 
-       dict_destroy( &type_hash, NULL, NULL, NULL );
+       dict_destroy(&type_hash, NULL, NULL, NULL);
        return true;
 }