papermario/tools/splat/util/symbols.py
HailSanta 6c606383e8
nok and pra done (#936)
* nok_04 ok

* thread done

* push block doc

* nok done

* almost done pra

* pra done

* cleanup pra_31 mtx names

* git subrepo pull --force tools/splat

subrepo:
  subdir:   "tools/splat"
  merged:   "3bbc02af68"
upstream:
  origin:   "https://github.com/ethteck/splat.git"
  branch:   "master"
  commit:   "3bbc02af68"
git-subrepo:
  version:  "0.4.5"
  origin:   "???"
  commit:   "???"

---------

Co-authored-by: HailSanta <Hail2Santa@gmail.com>
2023-02-08 09:47:26 +09:00

609 lines
23 KiB
Python

from dataclasses import dataclass
import re
from typing import Dict, List, Optional, Set, TYPE_CHECKING
import spimdisasm
import tqdm
from intervaltree import IntervalTree
# circular import
if TYPE_CHECKING:
from segtypes.segment import Segment
from util import log, options
all_symbols: List["Symbol"] = []
all_symbols_dict: Dict[int, List["Symbol"]] = {}
all_symbols_ranges = IntervalTree()
ignored_addresses: Set[int] = set()
to_mark_as_defined: Set[str] = set()
appears_after_overlays_syms: List["Symbol"] = []
# Initialize a spimdisasm context, used to store symbols and functions
spim_context = spimdisasm.common.Context()
TRUEY_VALS = ["true", "on", "yes", "y"]
FALSEY_VALS = ["false", "off", "no", "n"]
def is_truey(str: str) -> bool:
return str.lower() in TRUEY_VALS
def is_falsey(str: str) -> bool:
return str.lower() in FALSEY_VALS
def add_symbol(sym: "Symbol"):
all_symbols.append(sym)
if sym.vram_start is not None:
if sym.vram_start not in all_symbols_dict:
all_symbols_dict[sym.vram_start] = []
all_symbols_dict[sym.vram_start].append(sym)
# For larger symbols, add their ranges to interval trees for faster lookup
if sym.size > 4:
all_symbols_ranges.addi(sym.vram_start, sym.vram_end, sym)
def to_cname(symbol_name: str) -> str:
symbol_name = re.sub(r"[^0-9a-zA-Z_]", "_", symbol_name)
if symbol_name[0] in ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"]:
symbol_name = "_" + symbol_name
return symbol_name
def initialize(all_segments: "List[Segment]"):
global all_symbols
global all_symbols_dict
global all_symbols_ranges
all_symbols = []
all_symbols_dict = {}
all_symbols_ranges = IntervalTree()
def get_seg_for_name(name: str) -> Optional["Segment"]:
for segment in all_segments:
if segment.name == name:
return segment
return None
# Manual list of func name / addrs
for path in options.opts.symbol_addrs_paths:
if path.exists():
with open(path) as f:
sym_addrs_lines = f.readlines()
for line_num, line in enumerate(
tqdm.tqdm(sym_addrs_lines, desc=f"Loading symbols ({path.stem})")
):
line = line.strip()
if not line == "" and not line.startswith("//"):
comment_loc = line.find("//")
line_main = line
line_ext = ""
if comment_loc != -1:
line_ext = line[comment_loc + 2 :].strip()
line_main = line[:comment_loc].strip()
try:
line_split = line_main.split("=")
name = line_split[0].strip()
addr = int(line_split[1].strip()[:-1], 0)
except:
log.parsing_error_preamble(path, line_num, line)
log.write("Line should be of the form")
log.write(
"<function_name> = <address> // attr0:val0 attr1:val1 [...]"
)
log.write("with <address> in hex preceded by 0x, or dec")
log.write("")
raise
sym = Symbol(addr, given_name=name)
ignore_sym = False
if line_ext:
for info in line_ext.split(" "):
if ":" in info:
if info.count(":") > 1:
log.parsing_error_preamble(path, line_num, line)
log.write(f"Too many ':'s in '{info}'")
log.error("")
attr_name, attr_val = info.split(":")
if attr_name == "":
log.parsing_error_preamble(path, line_num, line)
log.write(
f"Missing attribute name in '{info}', is there extra whitespace?"
)
log.error("")
if attr_val == "":
log.parsing_error_preamble(path, line_num, line)
log.write(
f"Missing attribute value in '{info}', is there extra whitespace?"
)
log.error("")
# Non-Boolean attributes
try:
if attr_name == "type":
type = attr_val
sym.type = type
continue
if attr_name == "size":
size = int(attr_val, 0)
sym.given_size = size
continue
if attr_name == "rom":
rom_addr = int(attr_val, 0)
sym.rom = rom_addr
continue
if attr_name == "segment":
seg = get_seg_for_name(attr_val)
if seg is None:
log.parsing_error_preamble(
path, line_num, line
)
log.write(
f"Cannot find segment '{attr_val}'"
)
log.error("")
else:
# Add segment to symbol
sym.segment = seg
continue
if attr_name == "name_end":
sym.given_name_end = attr_val
continue
if attr_name == "appears_after_overlays_addr":
sym.appears_after_overlays_addr = int(
attr_val, 0
)
appears_after_overlays_syms.append(sym)
continue
except:
log.parsing_error_preamble(path, line_num, line)
log.write(
f"value of attribute '{attr_name}' could not be read:"
)
log.write("")
raise
# Boolean attributes
tf_val = (
True
if is_truey(attr_val)
else False
if is_falsey(attr_val)
else None
)
if tf_val is None:
log.parsing_error_preamble(path, line_num, line)
log.write(
f"Invalid Boolean value '{attr_val}' for attribute '{attr_name}', should be one of"
)
log.write([*TRUEY_VALS, *FALSEY_VALS])
log.error("")
else:
if attr_name == "dead":
sym.dead = tf_val
continue
if attr_name == "defined":
sym.defined = tf_val
continue
if attr_name == "extract":
sym.extract = tf_val
continue
if attr_name == "ignore":
ignore_sym = tf_val
continue
if attr_name == "force_migration":
sym.force_migration = tf_val
continue
if attr_name == "force_not_migration":
sym.force_not_migration = tf_val
continue
if attr_name == "allow_addend":
sym.allow_addend = tf_val
continue
if attr_name == "dont_allow_addend":
sym.dont_allow_addend = tf_val
continue
if ignore_sym:
if sym.given_size == None or sym.given_size == 0:
ignored_addresses.add(sym.vram_start)
else:
spim_context.addBannedSymbolRangeBySize(
sym.vram_start, sym.given_size
)
ignore_sym = False
continue
if sym.segment:
sym.segment.add_symbol(sym)
sym.user_declared = True
add_symbol(sym)
def initialize_spim_context(all_segments: "List[Segment]") -> None:
global_vrom_start = None
global_vrom_end = None
global_vram_start = None
global_vram_end = None
overlay_segments: Set[spimdisasm.common.SymbolsSegment] = set()
spim_context.bannedSymbols |= ignored_addresses
from segtypes.common.code import CommonSegCode
for segment in all_segments:
if not isinstance(segment, CommonSegCode):
# We only care about the VRAMs of code segments
continue
if segment.special_vram_segment:
# Special segments which should not be accounted in the global VRAM calculation, like N64's IPL3
continue
if (
not isinstance(segment.vram_start, int)
or not isinstance(segment.vram_end, int)
or not isinstance(segment.rom_start, int)
or not isinstance(segment.rom_end, int)
):
continue
ram_id = segment.get_exclusive_ram_id()
if ram_id is None:
if global_vram_start is None:
global_vram_start = segment.vram_start
elif segment.vram_start < global_vram_start:
global_vram_start = segment.vram_start
if global_vram_end is None:
global_vram_end = segment.vram_end
elif global_vram_end < segment.vram_end:
global_vram_end = segment.vram_end
if global_vrom_start is None:
global_vrom_start = segment.rom_start
elif segment.rom_start < global_vrom_start:
global_vrom_start = segment.rom_start
if global_vrom_end is None:
global_vrom_end = segment.rom_end
elif global_vrom_end < segment.rom_end:
global_vrom_end = segment.rom_end
else:
spim_segment = spim_context.addOverlaySegment(
ram_id,
segment.rom_start,
segment.rom_end,
segment.vram_start,
segment.vram_end,
)
# Add the segment-specific symbols first
for symbols_list in segment.seg_symbols.values():
for sym in symbols_list:
add_symbol_to_spim_segment(spim_segment, sym)
overlay_segments.add(spim_segment)
if (
global_vram_start is not None
and global_vram_end is not None
and global_vrom_start is not None
and global_vrom_end is not None
):
spim_context.changeGlobalSegmentRanges(
global_vrom_start, global_vrom_end, global_vram_start, global_vram_end
)
# Check the vram range of the global segment does not overlap with any overlay segment
for ovl_segment in overlay_segments:
assert (
ovl_segment.vramStart <= ovl_segment.vramEnd
), f"{ovl_segment.vramStart:X} {ovl_segment.vramEnd:X}"
if (
ovl_segment.vramEnd > global_vram_start
and global_vram_end > ovl_segment.vramStart
):
log.write(
f"Warning: the vram range ([0x{ovl_segment.vramStart:X}, 0x{ovl_segment.vramEnd:X}]) of the non-global segment at rom address 0x{ovl_segment.vromStart:X} overlaps with the global vram range ([0x{global_vram_start:X}, 0x{global_vram_end:X}])",
status="warn",
)
# pass the global symbols to spimdisasm
for segment in all_segments:
if not isinstance(segment, CommonSegCode):
# We only care about the VRAMs of code segments
continue
ram_id = segment.get_exclusive_ram_id()
if ram_id is not None:
continue
for symbols_list in segment.seg_symbols.values():
for sym in symbols_list:
add_symbol_to_spim_segment(spim_context.globalSegment, sym)
def add_symbol_to_spim_segment(
segment: spimdisasm.common.SymbolsSegment, sym: "Symbol"
) -> spimdisasm.common.ContextSymbol:
if sym.type == "func":
context_sym = segment.addFunction(
sym.vram_start, isAutogenerated=not sym.user_declared, vromAddress=sym.rom
)
elif sym.type == "jtbl":
context_sym = segment.addJumpTable(
sym.vram_start, isAutogenerated=not sym.user_declared, vromAddress=sym.rom
)
elif sym.type == "jtbl_label":
context_sym = segment.addJumpTableLabel(
sym.vram_start, isAutogenerated=not sym.user_declared, vromAddress=sym.rom
)
elif sym.type == "label":
context_sym = segment.addBranchLabel(
sym.vram_start, isAutogenerated=not sym.user_declared, vromAddress=sym.rom
)
else:
context_sym = segment.addSymbol(
sym.vram_start, isAutogenerated=not sym.user_declared, vromAddress=sym.rom
)
if sym.type is not None:
context_sym.type = sym.type
if sym.user_declared:
context_sym.isUserDeclared = True
if sym.defined:
context_sym.isDefined = True
if sym.rom is not None:
context_sym.vromAddress = sym.rom
if sym.given_size is not None:
context_sym.size = sym.size
if sym.force_migration:
context_sym.forceMigration = True
if sym.force_not_migration:
context_sym.forceNotMigration = True
if sym.allow_addend:
context_sym.allowedToReferenceAddends = True
if sym.dont_allow_addend:
context_sym.notAllowedToReferenceAddends = True
context_sym.setNameGetCallbackIfUnset(lambda _: sym.name)
if sym.given_name_end:
context_sym.nameEnd = sym.given_name_end
return context_sym
def add_symbol_to_spim_section(
section: spimdisasm.mips.sections.SectionBase, sym: "Symbol"
) -> spimdisasm.common.ContextSymbol:
if sym.type == "func":
context_sym = section.addFunction(
sym.vram_start, isAutogenerated=not sym.user_declared, symbolVrom=sym.rom
)
elif sym.type == "jtbl":
context_sym = section.addJumpTable(
sym.vram_start, isAutogenerated=not sym.user_declared, symbolVrom=sym.rom
)
elif sym.type == "jtbl_label":
context_sym = section.addJumpTableLabel(
sym.vram_start, isAutogenerated=not sym.user_declared, symbolVrom=sym.rom
)
elif sym.type == "label":
context_sym = section.addBranchLabel(
sym.vram_start, isAutogenerated=not sym.user_declared, symbolVrom=sym.rom
)
else:
context_sym = section.addSymbol(
sym.vram_start, isAutogenerated=not sym.user_declared, symbolVrom=sym.rom
)
if sym.type is not None:
context_sym.type = sym.type
if sym.user_declared:
context_sym.isUserDeclared = True
if sym.defined:
context_sym.isDefined = True
if sym.rom is not None:
context_sym.vromAddress = sym.rom
if sym.given_size is not None:
context_sym.size = sym.size
if sym.force_migration:
context_sym.forceMigration = True
if sym.force_not_migration:
context_sym.forceNotMigration = True
context_sym.setNameGetCallbackIfUnset(lambda _: sym.name)
if sym.given_name_end:
context_sym.nameEnd = sym.given_name_end
return context_sym
def create_symbol_from_spim_symbol(
segment: "Segment", context_sym: spimdisasm.common.ContextSymbol
) -> "Symbol":
in_segment = False
sym_type = None
if context_sym.type == spimdisasm.common.SymbolSpecialType.jumptable:
in_segment = True
sym_type = "jtbl"
elif context_sym.type == spimdisasm.common.SymbolSpecialType.function:
sym_type = "func"
elif context_sym.type == spimdisasm.common.SymbolSpecialType.branchlabel:
in_segment = True
sym_type = "label"
elif context_sym.type == spimdisasm.common.SymbolSpecialType.jumptablelabel:
in_segment = True
sym_type = "jtbl_label"
if not in_segment:
if (
context_sym.overlayCategory is None
and segment.get_exclusive_ram_id() is None
):
in_segment = segment.contains_vram(context_sym.vram)
elif context_sym.overlayCategory == segment.get_exclusive_ram_id():
if context_sym.vromAddress is not None:
in_segment = segment.contains_rom(context_sym.vromAddress)
else:
in_segment = segment.contains_vram(context_sym.vram)
sym = segment.create_symbol(
context_sym.vram, in_segment, type=sym_type, reference=True
)
if sym.given_name is None and context_sym.name is not None:
sym.given_name = context_sym.name
# To keep the symbol name in sync between splat and spimdisasm
context_sym.setNameGetCallback(lambda _: sym.name)
if context_sym.size is not None:
sym.given_size = context_sym.getSize()
if context_sym.vromAddress is not None:
sym.rom = context_sym.getVrom()
if context_sym.isDefined:
sym.defined = True
if context_sym.referenceCounter > 0:
sym.referenced = True
return sym
def mark_c_funcs_as_defined():
for symbol in all_symbols:
if len(to_mark_as_defined) == 0:
return
sym_name = symbol.name
if sym_name in to_mark_as_defined:
symbol.defined = True
to_mark_as_defined.remove(sym_name)
@dataclass
class Symbol:
vram_start: int
given_name: Optional[str] = None
given_name_end: Optional[str] = None
rom: Optional[int] = None
type: Optional[str] = None
given_size: Optional[int] = None
segment: Optional["Segment"] = None
defined: bool = False
referenced: bool = False
dead: bool = False
extract: bool = True
user_declared: bool = False
force_migration: bool = False
force_not_migration: bool = False
allow_addend: bool = False
dont_allow_addend: bool = False
linker_section: Optional[str] = None
_generated_default_name: Optional[str] = None
_last_type: Optional[str] = None
appears_after_overlays_addr: Optional[int] = None
def __str__(self):
return self.name
def __eq__(self, other: object) -> bool:
if not isinstance(other, Symbol):
return False
return self.vram_start == other.vram_start and self.segment == other.segment
# https://stackoverflow.com/a/56915493/6292472
def __hash__(self):
return hash((self.vram_start, self.segment))
def format_name(self, format: str) -> str:
ret = format
ret = ret.replace("$VRAM", f"{self.vram_start:08X}")
if "$ROM" in ret:
if not isinstance(self.rom, int):
log.error(
f"Attempting to rom-name a symbol with no ROM address: {self.vram_start:X} typed {self.type}"
)
ret = ret.replace("$ROM", f"{self.rom:X}")
if "$SEG" in ret:
if self.segment is None:
# This probably is fine - we can't expect every symbol to have a segment. Fall back to just the ram address
return f"{self.vram_start:X}"
assert self.segment is not None
ret = ret.replace("$SEG", self.segment.name)
return ret
@property
def default_name(self) -> str:
if self._generated_default_name is not None:
if self.type == self._last_type:
return self._generated_default_name
if self.segment:
if isinstance(self.rom, int):
suffix = self.format_name(self.segment.symbol_name_format)
else:
suffix = self.format_name(self.segment.symbol_name_format_no_rom)
else:
if isinstance(self.rom, int):
suffix = self.format_name(options.opts.symbol_name_format)
else:
suffix = self.format_name(options.opts.symbol_name_format_no_rom)
if self.type == "func":
prefix = "func"
elif self.type == "jtbl":
prefix = "jtbl"
elif self.type in {"jtbl_label", "label"}:
return f".L{suffix}"
else:
prefix = "D"
self._last_type = self.type
self._generated_default_name = f"{prefix}_{suffix}"
return self._generated_default_name
@property
def rom_end(self):
return None if not self.rom else self.rom + self.size
@property
def vram_end(self):
return self.vram_start + self.size
@property
def name(self) -> str:
return self.given_name if self.given_name else self.default_name
@property
def size(self) -> int:
if self.given_size is not None:
return self.given_size
return 4
def contains_vram(self, offset):
return offset >= self.vram_start and offset < self.vram_end
def contains_rom(self, offset):
return offset >= self.rom and offset < self.rom_end