mirror of
https://github.com/zeldaret/oot.git
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Enable more IDO warnings and apply fixes (#1264)
* Update asm-processor and fix includes with EARLY * Enable more IDO warnings and disable unwanted warning 516 * Fix most new and remaining warnings * Improve skelanime comment * Improve asmproc pragma comment Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com> * Add suggested comment for a wrong prototype * Update asm-processor with the latest fix Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>
This commit is contained in:
Roman971
GitHub
parent
4cb1c3345f
commit
feadb0d9ee
30 changed files with 269 additions and 148 deletions
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@ -85,6 +85,18 @@ MIPS_DEBUG_ST_STATIC = 2
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MIPS_DEBUG_ST_STATIC_PROC = 14
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class ElfFormat:
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def __init__(self, is_big_endian):
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self.is_big_endian = is_big_endian
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self.struct_char = ">" if is_big_endian else "<"
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def pack(self, fmt, *args):
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return struct.pack(self.struct_char + fmt, *args)
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def unpack(self, fmt, data):
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return struct.unpack(self.struct_char + fmt, data)
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class ElfHeader:
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"""
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typedef struct {
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@ -107,9 +119,9 @@ class ElfHeader:
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def __init__(self, data):
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self.e_ident = data[:EI_NIDENT]
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self.e_type, self.e_machine, self.e_version, self.e_entry, self.e_phoff, self.e_shoff, self.e_flags, self.e_ehsize, self.e_phentsize, self.e_phnum, self.e_shentsize, self.e_shnum, self.e_shstrndx = struct.unpack('>HHIIIIIHHHHHH', data[EI_NIDENT:])
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assert self.e_ident[EI_CLASS] == 1 # 32-bit
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assert self.e_ident[EI_DATA] == 2 # big-endian
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self.fmt = ElfFormat(is_big_endian=(self.e_ident[EI_DATA] == 2))
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self.e_type, self.e_machine, self.e_version, self.e_entry, self.e_phoff, self.e_shoff, self.e_flags, self.e_ehsize, self.e_phentsize, self.e_phnum, self.e_shentsize, self.e_shnum, self.e_shstrndx = self.fmt.unpack('HHIIIIIHHHHHH', data[EI_NIDENT:])
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assert self.e_type == 1 # relocatable
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assert self.e_machine == 8 # MIPS I Architecture
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assert self.e_phoff == 0 # no program header
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@ -117,7 +129,7 @@ class ElfHeader:
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assert self.e_shstrndx != SHN_UNDEF
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def to_bin(self):
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return self.e_ident + struct.pack('>HHIIIIIHHHHHH', self.e_type,
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return self.e_ident + self.fmt.pack('HHIIIIIHHHHHH', self.e_type,
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self.e_machine, self.e_version, self.e_entry, self.e_phoff,
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self.e_shoff, self.e_flags, self.e_ehsize, self.e_phentsize,
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self.e_phnum, self.e_shentsize, self.e_shnum, self.e_shstrndx)
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@ -135,8 +147,9 @@ class Symbol:
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} Elf32_Sym;
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"""
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def __init__(self, data, strtab, name=None):
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self.st_name, self.st_value, self.st_size, st_info, self.st_other, self.st_shndx = struct.unpack('>IIIBBH', data)
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def __init__(self, fmt, data, strtab, name=None):
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self.fmt = fmt
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self.st_name, self.st_value, self.st_size, st_info, self.st_other, self.st_shndx = fmt.unpack('IIIBBH', data)
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assert self.st_shndx != SHN_XINDEX, "too many sections (SHN_XINDEX not supported)"
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self.bind = st_info >> 4
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self.type = st_info & 15
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@ -144,31 +157,32 @@ class Symbol:
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self.visibility = self.st_other & 3
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@staticmethod
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def from_parts(st_name, st_value, st_size, st_info, st_other, st_shndx, strtab, name):
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header = struct.pack('>IIIBBH', st_name, st_value, st_size, st_info, st_other, st_shndx)
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return Symbol(header, strtab, name)
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def from_parts(fmt, st_name, st_value, st_size, st_info, st_other, st_shndx, strtab, name):
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header = fmt.pack('IIIBBH', st_name, st_value, st_size, st_info, st_other, st_shndx)
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return Symbol(fmt, header, strtab, name)
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def to_bin(self):
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st_info = (self.bind << 4) | self.type
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return struct.pack('>IIIBBH', self.st_name, self.st_value, self.st_size, st_info, self.st_other, self.st_shndx)
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return self.fmt.pack('IIIBBH', self.st_name, self.st_value, self.st_size, st_info, self.st_other, self.st_shndx)
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class Relocation:
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def __init__(self, data, sh_type):
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def __init__(self, fmt, data, sh_type):
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self.fmt = fmt
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self.sh_type = sh_type
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if sh_type == SHT_REL:
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self.r_offset, self.r_info = struct.unpack('>II', data)
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self.r_offset, self.r_info = fmt.unpack('II', data)
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else:
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self.r_offset, self.r_info, self.r_addend = struct.unpack('>III', data)
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self.r_offset, self.r_info, self.r_addend = fmt.unpack('III', data)
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self.sym_index = self.r_info >> 8
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self.rel_type = self.r_info & 0xff
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def to_bin(self):
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self.r_info = (self.sym_index << 8) | self.rel_type
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if self.sh_type == SHT_REL:
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return struct.pack('>II', self.r_offset, self.r_info)
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return self.fmt.pack('II', self.r_offset, self.r_info)
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else:
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return struct.pack('>III', self.r_offset, self.r_info, self.r_addend)
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return self.fmt.pack('III', self.r_offset, self.r_info, self.r_addend)
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class Section:
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@ -187,8 +201,9 @@ class Section:
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} Elf32_Shdr;
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"""
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def __init__(self, header, data, index):
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self.sh_name, self.sh_type, self.sh_flags, self.sh_addr, self.sh_offset, self.sh_size, self.sh_link, self.sh_info, self.sh_addralign, self.sh_entsize = struct.unpack('>IIIIIIIIII', header)
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def __init__(self, fmt, header, data, index):
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self.fmt = fmt
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self.sh_name, self.sh_type, self.sh_flags, self.sh_addr, self.sh_offset, self.sh_size, self.sh_link, self.sh_info, self.sh_addralign, self.sh_entsize = fmt.unpack('IIIIIIIIII', header)
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assert not self.sh_flags & SHF_LINK_ORDER
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if self.sh_entsize != 0:
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assert self.sh_size % self.sh_entsize == 0
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@ -200,9 +215,9 @@ class Section:
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self.relocated_by = []
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@staticmethod
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def from_parts(sh_name, sh_type, sh_flags, sh_link, sh_info, sh_addralign, sh_entsize, data, index):
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header = struct.pack('>IIIIIIIIII', sh_name, sh_type, sh_flags, 0, 0, len(data), sh_link, sh_info, sh_addralign, sh_entsize)
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return Section(header, data, index)
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def from_parts(fmt, sh_name, sh_type, sh_flags, sh_link, sh_info, sh_addralign, sh_entsize, data, index):
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header = fmt.pack('IIIIIIIIII', sh_name, sh_type, sh_flags, 0, 0, len(data), sh_link, sh_info, sh_addralign, sh_entsize)
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return Section(fmt, header, data, index)
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def lookup_str(self, index):
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assert self.sh_type == SHT_STRTAB
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@ -222,7 +237,7 @@ class Section:
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def header_to_bin(self):
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if self.sh_type != SHT_NOBITS:
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self.sh_size = len(self.data)
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return struct.pack('>IIIIIIIIII', self.sh_name, self.sh_type, self.sh_flags, self.sh_addr, self.sh_offset, self.sh_size, self.sh_link, self.sh_info, self.sh_addralign, self.sh_entsize)
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return self.fmt.pack('IIIIIIIIII', self.sh_name, self.sh_type, self.sh_flags, self.sh_addr, self.sh_offset, self.sh_size, self.sh_link, self.sh_info, self.sh_addralign, self.sh_entsize)
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def late_init(self, sections):
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if self.sh_type == SHT_SYMTAB:
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@ -251,14 +266,14 @@ class Section:
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self.strtab = sections[self.sh_link]
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entries = []
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for i in range(0, self.sh_size, self.sh_entsize):
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entries.append(Symbol(self.data[i:i+self.sh_entsize], self.strtab))
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entries.append(Symbol(self.fmt, self.data[i:i+self.sh_entsize], self.strtab))
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self.symbol_entries = entries
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def init_relocs(self):
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assert self.is_rel()
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entries = []
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for i in range(0, self.sh_size, self.sh_entsize):
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entries.append(Relocation(self.data[i:i+self.sh_entsize], self.sh_type))
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entries.append(Relocation(self.fmt, self.data[i:i+self.sh_entsize], self.sh_type))
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self.relocations = entries
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def local_symbols(self):
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@ -281,9 +296,9 @@ class Section:
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hdrr_cbOptOffset, hdrr_iauxMax, hdrr_cbAuxOffset, hdrr_issMax, \
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hdrr_cbSsOffset, hdrr_issExtMax, hdrr_cbSsExtOffset, hdrr_ifdMax, \
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hdrr_cbFdOffset, hdrr_crfd, hdrr_cbRfdOffset, hdrr_iextMax, \
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hdrr_cbExtOffset = struct.unpack(">HHIIIIIIIIIIIIIIIIIIIIIII", self.data[0:0x60])
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hdrr_cbExtOffset = self.fmt.unpack("HHIIIIIIIIIIIIIIIIIIIIIII", self.data[0:0x60])
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assert hdrr_magic == 0x7009 , "Invalid magic value for .mdebug symbolic header"
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assert hdrr_magic == 0x7009, "Invalid magic value for .mdebug symbolic header"
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hdrr_cbLineOffset += shift_by
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hdrr_cbDnOffset += shift_by
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@ -297,7 +312,7 @@ class Section:
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hdrr_cbRfdOffset += shift_by
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hdrr_cbExtOffset += shift_by
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new_data[0:0x60] = struct.pack(">HHIIIIIIIIIIIIIIIIIIIIIII", hdrr_magic, hdrr_vstamp, hdrr_ilineMax, hdrr_cbLine, \
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new_data[0:0x60] = self.fmt.pack("HHIIIIIIIIIIIIIIIIIIIIIII", hdrr_magic, hdrr_vstamp, hdrr_ilineMax, hdrr_cbLine, \
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hdrr_cbLineOffset, hdrr_idnMax, hdrr_cbDnOffset, hdrr_ipdMax, \
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hdrr_cbPdOffset, hdrr_isymMax, hdrr_cbSymOffset, hdrr_ioptMax, \
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hdrr_cbOptOffset, hdrr_iauxMax, hdrr_cbAuxOffset, hdrr_issMax, \
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@ -313,15 +328,16 @@ class ElfFile:
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assert data[:4] == b'\x7fELF', "not an ELF file"
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self.elf_header = ElfHeader(data[0:52])
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self.fmt = self.elf_header.fmt
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offset, size = self.elf_header.e_shoff, self.elf_header.e_shentsize
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null_section = Section(data[offset:offset + size], data, 0)
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null_section = Section(self.fmt, data[offset:offset + size], data, 0)
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num_sections = self.elf_header.e_shnum or null_section.sh_size
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self.sections = [null_section]
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for i in range(1, num_sections):
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ind = offset + i * size
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self.sections.append(Section(data[ind:ind + size], data, i))
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self.sections.append(Section(self.fmt, data[ind:ind + size], data, i))
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symtab = None
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for s in self.sections:
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@ -345,7 +361,7 @@ class ElfFile:
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def add_section(self, name, sh_type, sh_flags, sh_link, sh_info, sh_addralign, sh_entsize, data):
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shstr = self.sections[self.elf_header.e_shstrndx]
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sh_name = shstr.add_str(name)
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s = Section.from_parts(sh_name=sh_name, sh_type=sh_type,
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s = Section.from_parts(self.fmt, sh_name=sh_name, sh_type=sh_type,
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sh_flags=sh_flags, sh_link=sh_link, sh_info=sh_info,
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sh_addralign=sh_addralign, sh_entsize=sh_entsize, data=data,
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index=len(self.sections))
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@ -476,6 +492,7 @@ class GlobalAsmBlock:
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def count_quoted_size(self, line, z, real_line, output_enc):
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line = line.encode(output_enc).decode('latin1')
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in_quote = False
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has_comma = True
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num_parts = 0
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ret = 0
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i = 0
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@ -486,10 +503,15 @@ class GlobalAsmBlock:
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if not in_quote:
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if c == '"':
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in_quote = True
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if z and not has_comma:
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self.fail(".asciiz with glued strings is not supported due to GNU as version diffs")
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num_parts += 1
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elif c == ',':
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has_comma = True
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else:
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if c == '"':
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in_quote = False
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has_comma = False
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continue
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ret += 1
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if c != '\\':
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@ -554,7 +576,7 @@ class GlobalAsmBlock:
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self.text_glabels.append(line.split()[1])
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if not line:
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pass # empty line
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elif line.startswith('glabel ') or (' ' not in line and line.endswith(':')):
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elif line.startswith('glabel ') or line.startswith('dlabel ') or line.startswith('endlabel ') or (' ' not in line and line.endswith(':')):
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pass # label
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elif line.startswith('.section') or line in ['.text', '.data', '.rdata', '.rodata', '.bss', '.late_rodata']:
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# section change
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@ -783,6 +805,13 @@ def parse_source(f, opt, framepointer, mips1, input_enc, output_enc, out_depende
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else:
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min_instr_count = 2
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skip_instr_count = 1
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elif opt == 'O0':
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if framepointer:
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min_instr_count = 8
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skip_instr_count = 8
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else:
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min_instr_count = 4
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skip_instr_count = 4
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elif opt == 'g':
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if framepointer:
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min_instr_count = 7
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@ -792,7 +821,7 @@ def parse_source(f, opt, framepointer, mips1, input_enc, output_enc, out_depende
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skip_instr_count = 4
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else:
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if opt != 'g3':
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raise Failure("must pass one of -g, -O1, -O2, -O2 -g3")
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raise Failure("must pass one of -g, -O0, -O1, -O2, -O2 -g3")
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if framepointer:
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min_instr_count = 4
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skip_instr_count = 4
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@ -813,6 +842,7 @@ def parse_source(f, opt, framepointer, mips1, input_enc, output_enc, out_depende
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]
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is_cutscene_data = False
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is_early_include = False
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for line_no, raw_line in enumerate(f, 1):
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raw_line = raw_line.rstrip()
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@ -832,55 +862,69 @@ def parse_source(f, opt, framepointer, mips1, input_enc, output_enc, out_depende
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global_asm = None
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else:
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global_asm.process_line(raw_line, output_enc)
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elif line in ['GLOBAL_ASM(', '#pragma GLOBAL_ASM(']:
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global_asm = GlobalAsmBlock("GLOBAL_ASM block at line " + str(line_no))
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start_index = len(output_lines)
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elif ((line.startswith('GLOBAL_ASM("') or line.startswith('#pragma GLOBAL_ASM("'))
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and line.endswith('")')):
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fname = line[line.index('(') + 2 : -2]
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out_dependencies.append(fname)
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global_asm = GlobalAsmBlock(fname)
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with open(fname, encoding=input_enc) as f:
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for line2 in f:
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global_asm.process_line(line2.rstrip(), output_enc)
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src, fn = global_asm.finish(state)
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output_lines[-1] = ''.join(src)
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asm_functions.append(fn)
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global_asm = None
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elif line == '#pragma asmproc recurse':
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# C includes qualified as
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# #pragma asmproc recurse
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# #include "file.c"
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# will be processed recursively when encountered
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is_early_include = True
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elif is_early_include:
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# Previous line was a #pragma asmproc recurse
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is_early_include = False
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if not line.startswith("#include "):
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raise Failure("#pragma asmproc recurse must be followed by an #include ")
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fpath = os.path.dirname(f.name)
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fname = os.path.join(fpath, line[line.index(' ') + 2 : -1])
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out_dependencies.append(fname)
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include_src = StringIO()
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with open(fname, encoding=input_enc) as include_file:
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parse_source(include_file, opt, framepointer, mips1, input_enc, output_enc, out_dependencies, include_src)
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include_src.write('#line ' + str(line_no + 1) + ' "' + f.name + '"')
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output_lines[-1] = include_src.getvalue()
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include_src.close()
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else:
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if line in ['GLOBAL_ASM(', '#pragma GLOBAL_ASM(']:
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global_asm = GlobalAsmBlock("GLOBAL_ASM block at line " + str(line_no))
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start_index = len(output_lines)
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elif ((line.startswith('GLOBAL_ASM("') or line.startswith('#pragma GLOBAL_ASM("'))
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and line.endswith('")')):
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fname = line[line.index('(') + 2 : -2]
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out_dependencies.append(fname)
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global_asm = GlobalAsmBlock(fname)
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with open(fname, encoding=input_enc) as f:
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for line2 in f:
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global_asm.process_line(line2.rstrip(), output_enc)
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src, fn = global_asm.finish(state)
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output_lines[-1] = ''.join(src)
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asm_functions.append(fn)
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global_asm = None
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elif line.startswith('#include "') and line.endswith('" EARLY'):
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# C includes qualified with EARLY (i.e. #include "file.c" EARLY) will be
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# processed recursively when encountered
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fpath = os.path.dirname(f.name)
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fname = os.path.join(fpath, line[line.index(' ') + 2 : -7])
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out_dependencies.append(fname)
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include_src = StringIO()
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with open(fname, encoding=input_enc) as include_file:
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parse_source(include_file, opt, framepointer, mips1, input_enc, output_enc, out_dependencies, include_src)
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include_src.write('#line ' + str(line_no + 1) + ' "' + f.name + '"')
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output_lines[-1] = include_src.getvalue()
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include_src.close()
|
||||
else:
|
||||
# This is a hack to replace all floating-point numbers in an array of a particular type
|
||||
# (in this case CutsceneData) with their corresponding IEEE-754 hexadecimal representation
|
||||
if cutscene_data_regexpr.search(line) is not None:
|
||||
is_cutscene_data = True
|
||||
elif line.endswith("};"):
|
||||
is_cutscene_data = False
|
||||
if is_cutscene_data:
|
||||
raw_line = re.sub(float_regexpr, repl_float_hex, raw_line)
|
||||
output_lines[-1] = raw_line
|
||||
# This is a hack to replace all floating-point numbers in an array of a particular type
|
||||
# (in this case CutsceneData) with their corresponding IEEE-754 hexadecimal representation
|
||||
if cutscene_data_regexpr.search(line) is not None:
|
||||
is_cutscene_data = True
|
||||
elif line.endswith("};"):
|
||||
is_cutscene_data = False
|
||||
if is_cutscene_data:
|
||||
raw_line = re.sub(float_regexpr, repl_float_hex, raw_line)
|
||||
output_lines[-1] = raw_line
|
||||
|
||||
if print_source:
|
||||
if isinstance(print_source, StringIO):
|
||||
for line in output_lines:
|
||||
print_source.write(line + '\n')
|
||||
else:
|
||||
newline_encoded = "\n".encode(output_enc)
|
||||
for line in output_lines:
|
||||
print_source.write(line.encode(output_enc) + b'\n')
|
||||
try:
|
||||
line_encoded = line.encode(output_enc)
|
||||
except UnicodeEncodeError:
|
||||
print("Failed to encode a line to", output_enc)
|
||||
print("The line:", line)
|
||||
print("The line, utf-8-encoded:", line.encode("utf-8"))
|
||||
raise
|
||||
print_source.write(line_encoded)
|
||||
print_source.write(newline_encoded)
|
||||
print_source.flush()
|
||||
if print_source != sys.stdout.buffer:
|
||||
print_source.close()
|
||||
|
||||
return asm_functions
|
||||
|
||||
|
|
@ -889,6 +933,7 @@ def fixup_objfile(objfile_name, functions, asm_prelude, assembler, output_enc, d
|
|||
|
||||
with open(objfile_name, 'rb') as f:
|
||||
objfile = ElfFile(f.read())
|
||||
fmt = objfile.fmt
|
||||
|
||||
prev_locs = {
|
||||
'.text': 0,
|
||||
|
|
@ -1039,6 +1084,8 @@ def fixup_objfile(objfile_name, functions, asm_prelude, assembler, output_enc, d
|
|||
new_data = list(target.data)
|
||||
for dummy_bytes_list, jtbl_rodata_size in zip(all_late_rodata_dummy_bytes, all_jtbl_rodata_size):
|
||||
for index, dummy_bytes in enumerate(dummy_bytes_list):
|
||||
if not fmt.is_big_endian:
|
||||
dummy_bytes = dummy_bytes[::-1]
|
||||
pos = target.data.index(dummy_bytes, last_rodata_pos)
|
||||
# This check is nice, but makes time complexity worse for large files:
|
||||
if SLOW_CHECKS and target.data.find(dummy_bytes, pos + 4) != -1:
|
||||
|
|
@ -1119,15 +1166,15 @@ def fixup_objfile(objfile_name, functions, asm_prelude, assembler, output_enc, d
|
|||
if mdebug_section:
|
||||
strtab_index = len(objfile.symtab.strtab.data)
|
||||
new_strtab_data = []
|
||||
ifd_max, cb_fd_offset = struct.unpack('>II', mdebug_section.data[18*4 : 20*4])
|
||||
cb_sym_offset, = struct.unpack('>I', mdebug_section.data[9*4 : 10*4])
|
||||
cb_ss_offset, = struct.unpack('>I', mdebug_section.data[15*4 : 16*4])
|
||||
ifd_max, cb_fd_offset = fmt.unpack('II', mdebug_section.data[18*4 : 20*4])
|
||||
cb_sym_offset, = fmt.unpack('I', mdebug_section.data[9*4 : 10*4])
|
||||
cb_ss_offset, = fmt.unpack('I', mdebug_section.data[15*4 : 16*4])
|
||||
for i in range(ifd_max):
|
||||
offset = cb_fd_offset + 18*4*i
|
||||
iss_base, _, isym_base, csym = struct.unpack('>IIII', objfile.data[offset + 2*4 : offset + 6*4])
|
||||
iss_base, _, isym_base, csym = fmt.unpack('IIII', objfile.data[offset + 2*4 : offset + 6*4])
|
||||
for j in range(csym):
|
||||
offset2 = cb_sym_offset + 12 * (isym_base + j)
|
||||
iss, value, st_sc_index = struct.unpack('>III', objfile.data[offset2 : offset2 + 12])
|
||||
iss, value, st_sc_index = fmt.unpack('III', objfile.data[offset2 : offset2 + 12])
|
||||
st = (st_sc_index >> 26)
|
||||
sc = (st_sc_index >> 21) & 0x1f
|
||||
if st in [MIPS_DEBUG_ST_STATIC, MIPS_DEBUG_ST_STATIC_PROC]:
|
||||
|
|
@ -1140,6 +1187,7 @@ def fixup_objfile(objfile_name, functions, asm_prelude, assembler, output_enc, d
|
|||
section = objfile.find_section(section_name)
|
||||
symtype = STT_FUNC if sc == 1 else STT_OBJECT
|
||||
sym = Symbol.from_parts(
|
||||
fmt,
|
||||
st_name=strtab_index,
|
||||
st_value=value,
|
||||
st_size=0,
|
||||
|
|
@ -1239,6 +1287,7 @@ def run_wrapped(argv, outfile, functions):
|
|||
parser.add_argument('-mips1', dest='mips1', action='store_true')
|
||||
parser.add_argument('-g3', dest='g3', action='store_true')
|
||||
group = parser.add_mutually_exclusive_group(required=True)
|
||||
group.add_argument('-O0', dest='opt', action='store_const', const='O0')
|
||||
group.add_argument('-O1', dest='opt', action='store_const', const='O1')
|
||||
group.add_argument('-O2', dest='opt', action='store_const', const='O2')
|
||||
group.add_argument('-g', dest='opt', action='store_const', const='g')
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue