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Make MC use Windows COFF on Windows and add tests.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109494 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2010-07-27 06:46:15 +00:00
parent 082d587d35
commit dfd30187c6
6 changed files with 711 additions and 0 deletions
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21
lib/Target/X86/X86AsmBackend.cpp
View File

@ -14,6 +14,7 @@
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MachObjectWriter.h"
@ -212,6 +213,24 @@ public:
: ELFX86AsmBackend(T) {}
};
class WindowsX86AsmBackend : public X86AsmBackend {
public:
WindowsX86AsmBackend(const Target &T)
: X86AsmBackend(T) {
HasAbsolutizedSet = true;
HasScatteredSymbols = true;
}
MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
return createWinCOFFObjectWriter (OS);
}
bool isVirtualSection(const MCSection &Section) const {
const MCSectionCOFF &SE = static_cast<const MCSectionCOFF&>(Section);
return SE.getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
}
};
class DarwinX86AsmBackend : public X86AsmBackend {
public:
DarwinX86AsmBackend(const Target &T)
@ -290,6 +309,8 @@ TargetAsmBackend *llvm::createX86_32AsmBackend(const Target &T,
switch (Triple(TT).getOS()) {
case Triple::Darwin:
return new DarwinX86_32AsmBackend(T);
case Triple::Win32:
return new WindowsX86AsmBackend(T);
default:
return new ELFX86_32AsmBackend(T);
}

2
lib/Target/X86/X86TargetMachine.cpp
View File

@ -46,6 +46,8 @@ static MCStreamer *createMCStreamer(const Target &T, const std::string &TT,
bool RelaxAll) {
Triple TheTriple(TT);
switch (TheTriple.getOS()) {
case Triple::Win32:
return createWinCOFFStreamer(Ctx, TAB, *_Emitter, _OS);
default:
return createMachOStreamer(Ctx, TAB, _OS, _Emitter, RelaxAll);
}

136
test/MC/COFF/basic-coff.ll Normal file
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@ -0,0 +1,136 @@
; RUN: llc -filetype=obj %s -o %t
; RUN: coff-dump.py %abs_tmp | FileCheck %s
; ModuleID = '-'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
target triple = "i686-pc-win32"
@.str = private constant [12 x i8] c"Hello World\00" ; <[12 x i8]*> [#uses=1]
define i32 @main() nounwind {
entry:
%call = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([12 x i8]* @.str, i32 0, i32 0)) nounwind ; <i32> [#uses=0]
ret i32 0
}
declare i32 @printf(i8* nocapture, ...) nounwind
; CHECK: {
; CHECK: MachineType = IMAGE_FILE_MACHINE_I386 (0x14C)
; CHECK: NumberOfSections = 2
; CHECK: TimeDateStamp = {{[0-9]+}}
; CHECK: PointerToSymbolTable = 0x99
; CHECK: NumberOfSymbols = 7
; CHECK: SizeOfOptionalHeader = 0
; CHECK: Characteristics = 0x0
; CHECK: Sections = [
; CHECK: 0 = {
; CHECK: Name = .text
; CHECK: VirtualSize = 0
; CHECK: VirtualAddress = 0
; CHECK: SizeOfRawData = 21
; CHECK: PointerToRawData = 0x64
; CHECK: PointerToRelocations = 0x79
; CHECK: PointerToLineNumbers = 0x0
; CHECK: NumberOfRelocations = 2
; CHECK: NumberOfLineNumbers = 0
; CHECK: Charateristics = 0x60500020
; CHECK: IMAGE_SCN_CNT_CODE
; CHECK: IMAGE_SCN_ALIGN_16BYTES
; CHECK: IMAGE_SCN_MEM_EXECUTE
; CHECK: IMAGE_SCN_MEM_READ
; CHECK: SectionData =
; CHECK: 83 EC 04 C7 04 24 00 00 - 00 00 E8 00 00 00 00 31 |.....$.........1|
; CHECK: C0 83 C4 04 C3 |.....|
; CHECK: Relocations = [
; CHECK: 0 = {
; CHECK: VirtualAddress = 0x6
; CHECK: SymbolTableIndex = 5
; CHECK: Type = IMAGE_REL_I386_DIR32 (6)
; CHECK: SymbolName = _main
; CHECK: }
; CHECK: 1 = {
; CHECK: VirtualAddress = 0xB
; CHECK: SymbolTableIndex = 6
; CHECK: Type = IMAGE_REL_I386_REL32 (20)
; CHECK: SymbolName = L_.str
; CHECK: }
; CHECK: ]
; CHECK: }
; CHECK: 1 = {
; CHECK: Name = .data
; CHECK: VirtualSize = 0
; CHECK: VirtualAddress = 0
; CHECK: SizeOfRawData = 12
; CHECK: PointerToRawData = 0x8D
; CHECK: PointerToRelocations = 0x0
; CHECK: PointerToLineNumbers = 0x0
; CHECK: NumberOfRelocations = 0
; CHECK: NumberOfLineNumbers = 0
; CHECK: Charateristics = 0xC0100040
; CHECK: IMAGE_SCN_CNT_INITIALIZED_DATA
; CHECK: IMAGE_SCN_ALIGN_1BYTES
; CHECK: IMAGE_SCN_MEM_READ
; CHECK: IMAGE_SCN_MEM_WRITE
; CHECK: SectionData =
; CHECK: 48 65 6C 6C 6F 20 57 6F - 72 6C 64 00 |Hello World.|
; CHECK: Relocations = None
; CHECK: }
; CHECK: ]
; CHECK: Symbols = [
; CHECK: 0 = {
; CHECK: Name = .text
; CHECK: Value = 0
; CHECK: SectionNumber = 1
; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3)
; CHECK: NumberOfAuxSymbols = 1
; CHECK: AuxillaryData =
; CHECK: 15 00 00 00 02 00 00 00 - 00 00 00 00 01 00 00 00 |................|
; CHECK: 00 00 |..|
; CHECK: }
; CHECK: 1 = {
; CHECK: Name = .data
; CHECK: Value = 0
; CHECK: SectionNumber = 2
; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3)
; CHECK: NumberOfAuxSymbols = 1
; CHECK: AuxillaryData =
; CHECK: 0C 00 00 00 00 00 00 00 - 00 00 00 00 02 00 00 00 |................|
; CHECK: 00 00 |..|
; CHECK: }
; CHECK: 2 = {
; CHECK: Name = _main
; CHECK: Value = 0
; CHECK: SectionNumber = 1
; CHECK: SimpleType = unknown (32)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_EXTERNAL (2)
; CHECK: NumberOfAuxSymbols = 0
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 3 = {
; CHECK: Name = L_.str
; CHECK: Value = 0
; CHECK: SectionNumber = 2
; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3)
; CHECK: NumberOfAuxSymbols = 0
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 4 = {
; CHECK: Name = _printf
; CHECK: Value = 0
; CHECK: SectionNumber = 0
; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_EXTERNAL (2)
; CHECK: NumberOfAuxSymbols = 0
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: ]
; CHECK: }

5
test/MC/COFF/dg.exp Normal file
View File

@ -0,0 +1,5 @@
load_lib llvm.exp
if { [llvm_supports_target X86] } {
RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll}]]
}

543
test/Scripts/coff-dump.py Normal file
View File

@ -0,0 +1,543 @@
#===-- coff-dump.py - COFF object file dump utility-------------------------===#
#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
#===------------------------------------------------------------------------===#
#
# COFF File Definition
#
def string_table_entry (offset):
return ('ptr', '+ + PointerToSymbolTable * NumberOfSymbols 18 %s' % offset, ('scalar', 'cstr', '%s'))
def secname(value):
if value[0] == '/':
return string_table_entry (value [1:].rstrip('\0'))
else:
return '%s'
def symname(value):
parts = struct.unpack("<2L", value)
if parts [0] == 0:
return string_table_entry (parts [1])
else:
return '%s'
file = ('struct', [
('MachineType', ('enum', '<H', '0x%X', {
0x0: 'IMAGE_FILE_MACHINE_UNKNOWN',
0x1d3: 'IMAGE_FILE_MACHINE_AM33',
0x866: 'IMAGE_FILE_MACHINE_AMD64',
0x1c0: 'IMAGE_FILE_MACHINE_ARM',
0xebc: 'IMAGE_FILE_MACHINE_EBC',
0x14c: 'IMAGE_FILE_MACHINE_I386',
0x200: 'IMAGE_FILE_MACHINE_IA64',
0x904: 'IMAGE_FILE_MACHINE_M32R',
0x266: 'IMAGE_FILE_MACHINE_MIPS16',
0x366: 'IMAGE_FILE_MACHINE_MIPSFPU',
0x466: 'IMAGE_FILE_MACHINE_MIPSFPU16',
0x1f0: 'IMAGE_FILE_MACHINE_POWERPC',
0x1f1: 'IMAGE_FILE_MACHINE_POWERPCFP',
0x166: 'IMAGE_FILE_MACHINE_R4000',
0x1a2: 'IMAGE_FILE_MACHINE_SH3',
0x1a3: 'IMAGE_FILE_MACHINE_SH3DSP',
0x1a6: 'IMAGE_FILE_MACHINE_SH4',
0x1a8: 'IMAGE_FILE_MACHINE_SH5',
0x1c2: 'IMAGE_FILE_MACHINE_THUMB',
0x169: 'IMAGE_FILE_MACHINE_WCEMIPSV2',
})),
('NumberOfSections', ('scalar', '<H', '%d')),
('TimeDateStamp', ('scalar', '<L', '%d')),
('PointerToSymbolTable', ('scalar', '<L', '0x%0X')),
('NumberOfSymbols', ('scalar', '<L', '%d')),
('SizeOfOptionalHeader', ('scalar', '<H', '%d')),
('Characteristics', ('flags', '<H', '0x%x', [
(0x0001, 'IMAGE_FILE_RELOCS_STRIPPED', ),
(0x0002, 'IMAGE_FILE_EXECUTABLE_IMAGE', ),
(0x0004, 'IMAGE_FILE_LINE_NUMS_STRIPPED', ),
(0x0008, 'IMAGE_FILE_LOCAL_SYMS_STRIPPED', ),
(0x0010, 'IMAGE_FILE_AGGRESSIVE_WS_TRIM', ),
(0x0020, 'IMAGE_FILE_LARGE_ADDRESS_AWARE', ),
(0x0080, 'IMAGE_FILE_BYTES_REVERSED_LO', ),
(0x0100, 'IMAGE_FILE_32BIT_MACHINE', ),
(0x0200, 'IMAGE_FILE_DEBUG_STRIPPED', ),
(0x0400, 'IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP', ),
(0x0800, 'IMAGE_FILE_NET_RUN_FROM_SWAP', ),
(0x1000, 'IMAGE_FILE_SYSTEM', ),
(0x2000, 'IMAGE_FILE_DLL', ),
(0x4000, 'IMAGE_FILE_UP_SYSTEM_ONLY', ),
(0x8000, 'IMAGE_FILE_BYTES_REVERSED_HI', ),
])),
('Sections', ('array', 'NumberOfSections', ('struct', [
('Name', ('scalar', '<8s', secname)),
('VirtualSize', ('scalar', '<L', '%d' )),
('VirtualAddress', ('scalar', '<L', '%d' )),
('SizeOfRawData', ('scalar', '<L', '%d' )),
('PointerToRawData', ('scalar', '<L', '0x%X' )),
('PointerToRelocations', ('scalar', '<L', '0x%X' )),
('PointerToLineNumbers', ('scalar', '<L', '0x%X' )),
('NumberOfRelocations', ('scalar', '<H', '%d' )),
('NumberOfLineNumbers', ('scalar', '<H', '%d' )),
('Charateristics', ('flags', '<L', '0x%X', [
(0x00000008, 'IMAGE_SCN_TYPE_NO_PAD'),
(0x00000020, 'IMAGE_SCN_CNT_CODE'),
(0x00000040, 'IMAGE_SCN_CNT_INITIALIZED_DATA'),
(0x00000080, 'IMAGE_SCN_CNT_UNINITIALIZED_DATA'),
(0x00000100, 'IMAGE_SCN_LNK_OTHER'),
(0x00000200, 'IMAGE_SCN_LNK_INFO'),
(0x00000800, 'IMAGE_SCN_LNK_REMOVE'),
(0x00001000, 'IMAGE_SCN_LNK_COMDAT'),
(0x00008000, 'IMAGE_SCN_GPREL'),
(0x00020000, 'IMAGE_SCN_MEM_PURGEABLE'),
(0x00020000, 'IMAGE_SCN_MEM_16BIT'),
(0x00040000, 'IMAGE_SCN_MEM_LOCKED'),
(0x00080000, 'IMAGE_SCN_MEM_PRELOAD'),
(0x00F00000, 'IMAGE_SCN_ALIGN', {
0x00100000: 'IMAGE_SCN_ALIGN_1BYTES',
0x00200000: 'IMAGE_SCN_ALIGN_2BYTES',
0x00300000: 'IMAGE_SCN_ALIGN_4BYTES',
0x00400000: 'IMAGE_SCN_ALIGN_8BYTES',
0x00500000: 'IMAGE_SCN_ALIGN_16BYTES',
0x00600000: 'IMAGE_SCN_ALIGN_32BYTES',
0x00700000: 'IMAGE_SCN_ALIGN_64BYTES',
0x00800000: 'IMAGE_SCN_ALIGN_128BYTES',
0x00900000: 'IMAGE_SCN_ALIGN_256BYTES',
0x00A00000: 'IMAGE_SCN_ALIGN_512BYTES',
0x00B00000: 'IMAGE_SCN_ALIGN_1024BYTES',
0x00C00000: 'IMAGE_SCN_ALIGN_2048BYTES',
0x00D00000: 'IMAGE_SCN_ALIGN_4096BYTES',
0x00E00000: 'IMAGE_SCN_ALIGN_8192BYTES',
}),
(0x01000000, 'IMAGE_SCN_LNK_NRELOC_OVFL'),
(0x02000000, 'IMAGE_SCN_MEM_DISCARDABLE'),
(0x04000000, 'IMAGE_SCN_MEM_NOT_CACHED'),
(0x08000000, 'IMAGE_SCN_MEM_NOT_PAGED'),
(0x10000000, 'IMAGE_SCN_MEM_SHARED'),
(0x20000000, 'IMAGE_SCN_MEM_EXECUTE'),
(0x40000000, 'IMAGE_SCN_MEM_READ'),
(0x80000000, 'IMAGE_SCN_MEM_WRITE'),
])),
('SectionData', ('ptr', 'PointerToRawData', ('blob', 'SizeOfRawData'))),
('Relocations', ('ptr', 'PointerToRelocations', ('array', 'NumberOfRelocations', ('struct', [
('VirtualAddress', ('scalar', '<L', '0x%X')),
('SymbolTableIndex', ('scalar', '<L', '%d' )),
('Type', ('enum', '<H', '%d', ('MachineType', {
0x14c: {
0x0000: 'IMAGE_REL_I386_ABSOLUTE',
0x0001: 'IMAGE_REL_I386_DIR16',
0x0002: 'IMAGE_REL_I386_REL16',
0x0006: 'IMAGE_REL_I386_DIR32',
0x0007: 'IMAGE_REL_I386_DIR32NB',
0x0009: 'IMAGE_REL_I386_SEG12',
0x000A: 'IMAGE_REL_I386_SECTION',
0x000B: 'IMAGE_REL_I386_SECREL',
0x000C: 'IMAGE_REL_I386_TOKEN',
0x000D: 'IMAGE_REL_I386_SECREL7',
0x0014: 'IMAGE_REL_I386_REL32',
},
}))),
('SymbolName', ('ptr', '+ PointerToSymbolTable * - SymbolTableIndex 1 18', ('scalar', '<8s', symname)))
])))),
]))),
('Symbols', ('ptr', 'PointerToSymbolTable', ('byte-array', '* NumberOfSymbols 18', ('struct', [
('Name', ('scalar', '<8s', symname)),
('Value', ('scalar', '<L', '%d' )),
('SectionNumber', ('scalar', '<H', '%d' )),
('SimpleType', ('enum', '<B', '%d', {
0: 'IMAGE_SYM_TYPE_NULL',
1: 'IMAGE_SYM_TYPE_VOID',
2: 'IMAGE_SYM_TYPE_CHAR',
3: 'IMAGE_SYM_TYPE_SHORT',
4: 'IMAGE_SYM_TYPE_INT',
5: 'IMAGE_SYM_TYPE_LONG',
6: 'IMAGE_SYM_TYPE_FLOAT',
7: 'IMAGE_SYM_TYPE_DOUBLE',
8: 'IMAGE_SYM_TYPE_STRUCT',
9: 'IMAGE_SYM_TYPE_UNION',
10: 'IMAGE_SYM_TYPE_ENUM',
11: 'IMAGE_SYM_TYPE_MOE',
12: 'IMAGE_SYM_TYPE_BYTE',
13: 'IMAGE_SYM_TYPE_WORD',
14: 'IMAGE_SYM_TYPE_UINT',
15: 'IMAGE_SYM_TYPE_DWORD',
})),
('ComplexType', ('enum', '<B', '%d', {
0: 'IMAGE_SYM_DTYPE_NULL',
1: 'IMAGE_SYM_DTYPE_POINTER',
2: 'IMAGE_SYM_DTYPE_FUNCTION',
3: 'IMAGE_SYM_DTYPE_ARRAY',
})),
('StorageClass', ('enum', '<B', '%d', {
-1: 'IMAGE_SYM_CLASS_END_OF_FUNCTION',
0: 'IMAGE_SYM_CLASS_NULL',
1: 'IMAGE_SYM_CLASS_AUTOMATIC',
2: 'IMAGE_SYM_CLASS_EXTERNAL',
3: 'IMAGE_SYM_CLASS_STATIC',
4: 'IMAGE_SYM_CLASS_REGISTER',
5: 'IMAGE_SYM_CLASS_EXTERNAL_DEF',
6: 'IMAGE_SYM_CLASS_LABEL',
7: 'IMAGE_SYM_CLASS_UNDEFINED_LABEL',
8: 'IMAGE_SYM_CLASS_MEMBER_OF_STRUCT',
9: 'IMAGE_SYM_CLASS_ARGUMENT',
10: 'IMAGE_SYM_CLASS_STRUCT_TAG',
11: 'IMAGE_SYM_CLASS_MEMBER_OF_UNION',
12: 'IMAGE_SYM_CLASS_UNION_TAG',
13: 'IMAGE_SYM_CLASS_TYPE_DEFINITION',
14: 'IMAGE_SYM_CLASS_UNDEFINED_STATIC',
15: 'IMAGE_SYM_CLASS_ENUM_TAG',
16: 'IMAGE_SYM_CLASS_MEMBER_OF_ENUM',
17: 'IMAGE_SYM_CLASS_REGISTER_PARAM',
18: 'IMAGE_SYM_CLASS_BIT_FIELD',
100: 'IMAGE_SYM_CLASS_BLOCK',
101: 'IMAGE_SYM_CLASS_FUNCTION',
102: 'IMAGE_SYM_CLASS_END_OF_STRUCT',
103: 'IMAGE_SYM_CLASS_FILE',
104: 'IMAGE_SYM_CLASS_SECTION',
105: 'IMAGE_SYM_CLASS_WEAK_EXTERNAL',
107: 'IMAGE_SYM_CLASS_CLR_TOKEN',
})),
('NumberOfAuxSymbols', ('scalar', '<B', '%d' )),
('AuxillaryData', ('blob', '* NumberOfAuxSymbols 18')),
])))),
])
#
# Definition Interpreter
#
import sys, types, struct, re
Input = None
Stack = []
Fields = {}
Indent = 0
NewLine = True
def indent():
global Indent
Indent += 1
def dedent():
global Indent
Indent -= 1
def write(input):
global NewLine
output = ""
for char in input:
if NewLine:
output += Indent * ' '
NewLine = False
output += char
if char == '\n':
NewLine = True
sys.stdout.write (output)
def read(format):
return struct.unpack (format, Input.read(struct.calcsize(format)))
def read_cstr ():
output = ""
while True:
char = Input.read (1)
if len (char) == 0:
raise RuntimeError ("EOF while reading cstr")
if char == '\0':
break
output += char
return output
def push_pos(seek_to = None):
Stack [0:0] = [Input.tell ()]
if seek_to:
Input.seek (seek_to)
def pop_pos():
assert(len (Stack) > 0)
Input.seek (Stack [0])
del Stack [0]
def print_binary_data(size):
value = ""
while size > 0:
if size >= 16:
data = Input.read(16)
size -= 16
else:
data = Input.read(size)
size = 0
value += data
bytes = ""
text = ""
for index in xrange (16):
if index < len (data):
if index == 8:
bytes += "- "
ch = ord (data [index])
bytes += "%02X " % ch
if ch >= 0x20 and ch <= 0x7F:
text += data [index]
else:
text += "."
else:
if index == 8:
bytes += " "
bytes += " "
write ("%s|%s|\n" % (bytes, text))
return value
idlit = re.compile ("[a-zA-Z][a-zA-Z0-9_-]*")
numlit = re.compile ("[0-9]+")
def read_value(expr):
input = iter (expr.split ())
def eval():
token = input.next ()
if expr == 'cstr':
return read_cstr ()
if expr == 'true':
return True
if expr == 'false':
return False
if len (token) > 1 and token [0] in ('=', '@', '<', '!', '>'):
val = read(expr)
assert (len (val) == 1)
return val [0]
if token == '+':
return eval () + eval ()
if token == '-':
return eval () - eval ()
if token == '*':
return eval () * eval ()
if token == '/':
return eval () / eval ()
if idlit.match (token):
return Fields [token]
if numlit.match (token):
return int (token)
raise RuntimeError ("unexpected token %s" % repr(token))
value = eval ()
try:
input.next ()
except StopIteration:
return value
raise RuntimeError("unexpected input at end of expression")
def write_value(format,value):
format_type = type (format)
if format_type is types.StringType:
write (format%value)
elif format_type is types.FunctionType:
write_value (format (value), value)
elif format_type is types.TupleType:
Fields ['this'] = value
handle_element (format)
else:
raise RuntimeError("unexpected type: %s" % repr(format_type))
def handle_scalar(entry):
iformat = entry [1]
oformat = entry [2]
value = read_value (iformat)
write_value (oformat, value)
return value
def handle_enum(entry):
iformat = entry [1]
oformat = entry [2]
definitions = entry [3]
value = read_value (iformat)
if type (definitions) is types.TupleType:
selector = read_value (definitions [0])
definitions = definitions [1] [selector]
description = definitions[value] if value in definitions else "unknown"
write ("%s (" % description)
write_value (oformat, value)
write (")")
return value
def handle_flags(entry):
iformat = entry [1]
oformat = entry [2]
definitions = entry [3]
value = read_value (iformat)
write_value (oformat, value)
indent ()
for entry in definitions:
mask = entry [0]
name = entry [1]
if len (entry) == 3:
map = entry [2]
selection = value & mask
if selection in map:
write("\n%s" % map[selection])
else:
write("\n%s <%d>" % (name, selection))
elif len (entry) == 2:
if value & mask != 0:
write("\n%s" % name)
dedent ()
return value
def handle_struct(entry):
global Fields
members = entry [1]
newFields = {}
write ("{\n");
indent ()
for member in members:
name = member [0]
type = member [1]
write("%s = "%name.ljust(24))
value = handle_element(type)
write("\n")
Fields [name] = value
newFields [name] = value
dedent ()
write ("}")
return newFields
def handle_array(entry):
length = entry [1]
element = entry [2]
newItems = []
write ("[\n")
indent ()
value = read_value (length)
for index in xrange (value):
write ("%d = "%index)
value = handle_element(element)
write ("\n")
newItems.append (value)
dedent ()
write ("]")
return newItems
def handle_byte_array(entry):
length = entry [1]
element = entry [2]
newItems = []
write ("[\n")
indent ()
value = read_value (length)
end_of_array = Input.tell () + value
index = 0
while Input.tell () < end_of_array:
write ("%d = "%index)
value = handle_element(element)
write ("\n")
newItems.append (value)
index += 1
dedent ()
write ("]")
return newItems
def handle_ptr(entry):
offset = entry[1]
element = entry [2]
value = None
offset = read_value (offset)
if offset != 0:
push_pos (offset)
value = handle_element (element)
pop_pos ()
else:
write ("None")
return value
def handle_blob(entry):
length = entry [1]
write ("\n")
indent ()
value = print_binary_data (read_value (length))
dedent ()
return value
def handle_element(entry):
handlers = {
'struct': handle_struct,
'scalar': handle_scalar,
'enum': handle_enum,
'flags': handle_flags,
'ptr': handle_ptr,
'blob': handle_blob,
'array': handle_array,
'byte-array': handle_byte_array,
}
if not entry [0] in handlers:
raise RuntimeError ("unexpected type '%s'" % str (entry[0]))
return handlers [entry [0]] (entry)
Input = open (sys.argv [1], "rb")
try:
handle_element (file)
finally:
Input.close ()
Input = None

4
test/Scripts/coff-dump.py.bat Normal file
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@ -0,0 +1,4 @@
@echo off
%PYTHON_EXECUTABLE% %LLVM_SRC_ROOT%\test\Scripts\coff-dump.py %1 %2 %3 %4 %5 %6 %7 %8 %9