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authorbloodstalker <thabogre@gmail.com>2018-08-11 14:14:19 +0000
committerbloodstalker <thabogre@gmail.com>2018-08-11 14:14:19 +0000
commitf0e0441eb92e456c614482219dd645910cc4d768 (patch)
tree815cc41c255a4629ee07a6a487e480074c13a288
parentupdate (diff)
downloadfaultreiber-f0e0441eb92e456c614482219dd645910cc4d768.tar.gz
faultreiber-f0e0441eb92e456c614482219dd645910cc4d768.zip
update
Diffstat (limited to '')
-rwxr-xr-xmain.py55
-rw-r--r--resources/wasm.xml51
-rw-r--r--test/autowasm.c13
3 files changed, 90 insertions, 29 deletions
diff --git a/main.py b/main.py
index 09cb73a..45ee906 100755
--- a/main.py
+++ b/main.py
@@ -17,6 +17,8 @@ import datetime
# TODO-doesnt support non-byte-sized reads
# TODO-doesnt support big-endian normal reads
+# TODO-memory management!!
+# TODO-conditional for READs
def type_resolver(elem, elem_list):
type_str = elem.attrib["type"]
type_name = elem.attrib["name"]
@@ -186,6 +188,11 @@ class Argparser(object):
parser.add_argument("--singlefilename", type=str, help="name of the single file")
self.args = parser.parse_args()
+class C_Obj():
+ def __init__(self, str, ancestry):
+ self.malloc = str
+ self.ancestry = ancestry
+
def dupemake(path, main_name):
copy("./resources/makefile", path)
makefile_path = get_full_path(path, "makefile")
@@ -214,6 +221,7 @@ class CodeGen(object):
self.read_flags = ""
self.struct_source = ""
self.struct_flags = ""
+ self.malloc_list = []
def file_manager(self):
if self.argparser.args.singlefile:
@@ -257,6 +265,10 @@ class CodeGen(object):
for node in self.root.iter():
print(node.tag)
+ def dump_malloc(self):
+ for obj in self.malloc_list:
+ print(obj.malloc + ":" + str(obj.ancestry))
+
def gen_reader_funcs(self):
temp_dec_list = []
@@ -283,6 +295,7 @@ class CodeGen(object):
dummy_string += ", " + elem.attrib["name"] + "*" + " dummy_" + elem.attrib["name"]
read_source.write(static + inline + text.c_read_elem_sig.replace("YYY", elem.attrib["name"]).replace("XXX", elem.attrib["name"]+pointer))
read_source.write("dummy = malloc(sizeof(" + elem.attrib["name"] + "));\n")
+ self.malloc_list.append(C_Obj(elem.attrib["name"], [elem.tag]))
count = get_elem_count(elem)
if count == 1:
for child in elem:
@@ -305,6 +318,7 @@ class CodeGen(object):
if ref_node:
read_source.write("if (dummy->" + cond_name + "==" + str(cond.text) + "){\n")
read_source.write("dummy->" + cond.attrib["name"] + "=malloc(sizeof(" + ref_node.attrib["name"] + "));")
+ self.malloc_list.append(C_Obj(ref_node.attrib["name"], [elem.tag, child.tag]))
if child_count == 1:
for_read = text.c_read_elem_sig_2.replace("XXX", ref_node_name).replace("YYY", "dummy->" + cond.attrib["name"]) + ";\n"
read_source.write(for_read)
@@ -315,6 +329,7 @@ class CodeGen(object):
count_name_str = cond.attrib["count"][6:]
read_source.write("if (" + "dummy->" + get_node_name(count_name_str, elem) + ")\n")
read_source.write("dummy->" + cond.attrib["name"] + " = " + "malloc(sizeof(void*)*" + "dummy->" + get_node_name(count_name_str, child) + ");\n")
+ self.malloc_list.append(C_Obj("sizeof(void*)*dummy->"+get_node_name(count_name_str, child), [elem.attrib["name"], child.attrib["name"], cond.arrtib["name"]]))
for_read = text.c_read_elem_sig_2.replace("XXX", ref_node_name).replace("YYY", "dummy->" + cond.attrib["name"] + "[i]") + ";\n"
read_source.write(text.simple_loop.replace("YYY", for_read).replace("XXX", "dummy->" + get_node_name(count_name_str, child)))
read_source.write("}\n")
@@ -435,6 +450,7 @@ class CodeGen(object):
void_source_h.write('#ifndef FT_AGGREGATE_H\n#define FT_AGGREGATE_H\n')
void_source_h.write('#ifdef __cplusplus\nextern "C" {\n#endif\n')
void_source_h.write('#include "./structs.h"\n')
+ # generating the extern declarations and definitions
for elem in self.read_elems:
count = get_elem_count(elem)
size = get_elem_size(elem)
@@ -444,6 +460,7 @@ class CodeGen(object):
else:
void_source_h.write("extern " + elem.attrib["name"] + "* " + elem.attrib["name"] + "_container;\n")
void_source.write(elem.attrib["name"] + "* " + elem.attrib["name"] + "_container;\n")
+ '''
for child in elem:
ref_node_name = type_resolver(child, self.def_elems)
ref_node = get_def_node(ref_node_name, self.def_elems)
@@ -456,6 +473,8 @@ class CodeGen(object):
else:
void_source_h.write("extern " + ref_node.attrib["name"] + "* " + elem.attrib["name"] + "_" + child.attrib["name"] + "_container;\n")
void_source.write(ref_node.attrib["name"] + "* " + elem.attrib["name"] + "_" + child.attrib["name"] + "_container;\n")
+ '''
+ # end
void_source.write("void malloc_all(void) {\n")
void_source_h.write("void malloc_all(void);\n")
count_int = int()
@@ -481,9 +500,9 @@ class CodeGen(object):
if size > 0: count_int+=size
if size < 0: count_void+=1
sizeof = (str(count_int) if count_int > 0 else ("")) + ("+" if count_void>0 and count_int>0 else "") + ((str(count_void)+"*"+"sizeof(void*)") if count_void > 0 else "")
- self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof)
+ #self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof)
#void_source.write(elem.attrib["name"] + "* " + elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n")
- void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n")
+ #void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n")
count_int = 0
count_void = 0
else:
@@ -499,9 +518,9 @@ class CodeGen(object):
if size > 0: count_int+=size
else: count_void+=1
sizeof = (str(count_int)+"+" if count_int > 0 else "") + (str(count_void)+"*"+"sizeof(void*)") if count_void > 0 else ""
- self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof)
+ #self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof)
#void_source.write(elem.attrib["name"] + "* " + elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n")
- void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n")
+ #void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n")
count_int = 0
count_void = 0
void_source.write("}\n")
@@ -519,8 +538,26 @@ class CodeGen(object):
agg_source = open(self.aggregate_source, "a")
agg_source_h = open(self.aggregate_source_h, "a")
agg_source_h.write("void read_aggr(int _fd);\n")
+ agg_source.write("uint8_t eof = 0U;")
for elem in self.read_elems:
+ if "unorderedbegin" in elem.attrib:
+ agg_source.write("do {\n")
+
+ if "unordered" in elem.attrib:
+ for child in elem:
+ if "issign" in child.attrib:
+ sign_type = type_resolver(child, self.def_elems+ self.read_elems)
+ sign_name = " dummy_" + child.attrib["name"] + elem.attrib["name"]
+ agg_source.write("if (read(_fd, &eof, 1)<0) break;\nelse lseek(_fd, -1, SEEK_CUR);\n")
+ agg_source.write(sign_type + sign_name + ";\n")
+ agg_source.write(text.c_read_gen.replace("XXX", sign_name).replace("YYY", sign_type))
+ agg_source.write("lseek(_fd, -sizeof(" + sign_type + "), SEEK_CUR);\n")
+ agg_source.write("if (" + sign_name + "==" + child.text + "){\n")
agg_source.write(elem.attrib["name"] + "_container = " + "ft_read_" + elem.attrib["name"] + "(_fd," + elem.attrib["name"] + "_container" + ");\n")
+ if "unordered" in elem.attrib: agg_source.write("}\n")
+
+ if "unorderedend" in elem.attrib:
+ agg_source.write("}while(0);\n")
agg_source.write("}\n")
#FIXME-not handling double pointers
@@ -588,11 +625,14 @@ class CodeGen(object):
struct_source = open(self.struct_source_h, "w")
struct_source_c = open(get_full_path(self.argparser.args.outdir, "structs.c"), "w")
struct_source.write("#ifndef FT_STRUCTS_H\n#define FT_STRUCTS_H\n")
- struct_source_c.write('#include "structs.h"')
- struct_source.write('#include <unistd.h>')
+ struct_source_c.write('#include "structs.h"\n')
+ struct_source.write('#include <unistd.h>\n')
struct_source.write(text.pre_header_guard)
struct_source.write(text.autogen_warning)
- if self.argparser.args.datetime: struct_source.write("// " + self.dnt + "\n")
+ struct_source_c.write(text.autogen_warning)
+ if self.argparser.args.datetime:
+ struct_source.write("// " + self.dnt + "\n")
+ struct_source_c.write("// " + self.dnt + "\n")
struct_source.write(text.header_guard_begin.replace("XXX", "structs".upper()))
struct_source.write(text.header_inttype)
struct_source_c.write(text.c_read_leb_u_def + "\n")
@@ -675,6 +715,7 @@ class CodeGen(object):
#self.dump_all_childs()
self.gen_release()
self.gen_return()
+ #self.dump_malloc()
# write code here
diff --git a/resources/wasm.xml b/resources/wasm.xml
index 6925cdb..40bd7d4 100644
--- a/resources/wasm.xml
+++ b/resources/wasm.xml
@@ -3,40 +3,40 @@
<Read>
<Magic_Number name="magic_number" type="uint32" count="1"></Magic_Number>
<Version name="version" type="uint32" count="1"></Version>
- <Type_Section name="W_Type_Section" count="1" type="" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Type_Section name="W_Type_Section" count="1" type="" isaggregate="true" unordered="true" unorderedbegin="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">1</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Type_Section_Entry count="self::Count" type="self::Type_Section_Entry" name="entries"/>
</Type_Section>
- <Import_Section name="W_Import_Section" count="1" type="" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Import_Section name="W_Import_Section" count="1" type="" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">2</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Entries name="entries" type="self::Import_Section_Entry" count="self::Count"/>
</Import_Section>
- <Function_Section name="W_Function_Section" count="1" type="" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Function_Section name="W_Function_Section" count="1" type="" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="">3</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Types name="types" encoding="leb128u" type="uint32" count="self::Count"/>
</Function_Section>
- <Table_Section name="W_Table_Section" count="1" type="" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Table_Section name="W_Table_Section" count="1" type="" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">4</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Entries name="entries" type="self::Table_Type" count="self::Count"/>
</Table_Section>
- <Memory_Section name="W_Memory_Section" count="1" type="" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Memory_Section name="W_Memory_Section" count="1" type="" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">5</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
@@ -45,53 +45,60 @@
-->
<Entries name="entries" type="self::Memory_Type" count="1"/>
</Memory_Section>
- <Global_Section name="W_Global_Section" count="1" type="" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Global_Section name="W_Global_Section" count="1" type="" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">6</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Globals name="globals" type="self::Global_Entry" count="self::Count"/>
</Global_Section>
- <Export_Section name="W_Export_Section" count="1" type="" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Export_Section name="W_Export_Section" count="1" type="" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">7</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Entries name="entries" type="self::Export_Entry" count="self::Count"/>
</Export_Section>
- <Start_Section name="W_Start_Section" count="1" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Start_Section name="W_Start_Section" count="1" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">8</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Index name="index" encoding="leb128u" type="uint32" count="1"/>
</Start_Section>
- <Element_Section name="W_Element_Section" count="1" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Element_Section name="W_Element_Section" count="1" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">9</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Entries name="entries" type="self::Element_Segment" count="self::Count"/>
</Element_Section>
- <Code_Section name="W_Code_Section" count="1" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Code_Section name="W_Code_Section" count="1" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">10</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Bodies name="bodies" type="self::Function_Body" count="self::Count"/>
</Code_Section>
- <Data_Section name="W_Data_Section" count="1" isaggregate="true">
- <ID name="id" type="uint8" encoding="leb128u"/>
+ <Data_Section name="W_Data_Section" count="1" isaggregate="true" unordered="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">11</ID>
<PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
<NameLength name="namelength" type="uint32" encoding="leb128u"/>
<Name name="name" type="string" size="self::NameLength"/>
<Count name="count" encoding="leb128u" type="uint32" count="1"/>
<Entries name="entries" type="self::Data_Segment" count="self::Count"/>
</Data_Section>
+ <Custom_Section name="W_Custom_Section" count="*" isaggregate="true" unordered="true" unorderedend="true">
+ <ID name="id" type="uint8" encoding="leb128u" issign="true">0</ID>
+ <PayloadLength name="payloadlength" type="uint32" encoding="leb128u"/>
+ <NameLength name="namelength" type="uint32" encoding="leb128u"/>
+ <Name name="name" type="string" size="self::NameLength"/>
+ <Payload name="payload" type="uint8" count="self::PayloadLength"/>
+ </Custom_Section>
</Read>
<Definition>
<Init_Expr name="init_expr_t" isaggregate="true">
diff --git a/test/autowasm.c b/test/autowasm.c
index 2e978ce..460856d 100644
--- a/test/autowasm.c
+++ b/test/autowasm.c
@@ -63,6 +63,19 @@ int main (int argc, char** argv) {
printf("rl_initial:%d\n", W_Memory_Section_container->entries->resizable_limit->initial);
printf("rl_maximum:%d\n", W_Memory_Section_container->entries->resizable_limit->maximum);
+ if (W_Global_Section_container == NULL) printf("global section doesnt exist.\n");
+
+ printf("export_section_id:%d\n", W_Export_Section_container->id);
+ printf("export_section_payloadlength:%d\n", W_Export_Section_container->payloadlength);
+ printf("entry count:%d\n", W_Export_Section_container->count);
+
+ for (int i = 0; i < W_Export_Section_container->count; ++i) {
+ printf("field_len:%d\n", W_Export_Section_container->entries[i]->field_len);
+ printf("field_str:%s\n", W_Export_Section_container->entries[i]->field_str);
+ printf("kind:%d\n", W_Export_Section_container->entries[i]->kind);
+ printf("index:%d\n", W_Export_Section_container->entries[i]->index);
+ }
+
release_all();
return 0;
}