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Trying to grab backtrace. Didn't quite work

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IQuant 2024-09-07 19:33:08 +03:00
parent 9c50f71391
commit 1efbdf84f4
4 changed files with 121 additions and 3 deletions
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88
ewext/Cargo.lock generated
View file

@ -2,6 +2,45 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "addr2line"
version = "0.22.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6e4503c46a5c0c7844e948c9a4d6acd9f50cccb4de1c48eb9e291ea17470c678"
dependencies = [
"gimli",
]
[[package]]
name = "adler"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
[[package]]
name = "backtrace"
version = "0.3.73"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5cc23269a4f8976d0a4d2e7109211a419fe30e8d88d677cd60b6bc79c5732e0a"
dependencies = [
"addr2line",
"cc",
"cfg-if",
"libc",
"miniz_oxide",
"object",
"rustc-demangle",
]
[[package]]
name = "cc"
version = "1.1.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b62ac837cdb5cb22e10a256099b4fc502b1dfe560cb282963a974d7abd80e476"
dependencies = [
"shlex",
]
[[package]]
name = "cfg-if"
version = "1.0.0"
@ -12,9 +51,22 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
name = "ewext"
version = "0.1.0"
dependencies = [
"backtrace",
"libloading",
]
[[package]]
name = "gimli"
version = "0.29.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
[[package]]
name = "libc"
version = "0.2.158"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
[[package]]
name = "libloading"
version = "0.8.5"
@ -25,6 +77,42 @@ dependencies = [
"windows-targets",
]
[[package]]
name = "memchr"
version = "2.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
[[package]]
name = "miniz_oxide"
version = "0.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b8a240ddb74feaf34a79a7add65a741f3167852fba007066dcac1ca548d89c08"
dependencies = [
"adler",
]
[[package]]
name = "object"
version = "0.36.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "084f1a5821ac4c651660a94a7153d27ac9d8a53736203f58b31945ded098070a"
dependencies = [
"memchr",
]
[[package]]
name = "rustc-demangle"
version = "0.1.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
[[package]]
name = "shlex"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
[[package]]
name = "windows-targets"
version = "0.52.6"

1
ewext/Cargo.toml
View file

@ -12,3 +12,4 @@ crate-type = ["cdylib"]
[dependencies]
libloading = "0.8.5"
backtrace = "0.3"

33
ewext/src/lib.rs
View file

@ -12,7 +12,36 @@ static LUA: LazyLock<Lua51> = LazyLock::new(|| unsafe {
// const EWEXT: [(&'static str, Function); 1] = [("testfn", None)];
extern "C" fn test_fn(_lua: *mut lua_State) -> c_int {
println!("test fn called");
println!("\nStarting trace");
backtrace::trace(|frame| {
// let ip = frame.ip();
let symbol_address = frame.symbol_address();
print!("symbol: {:#08X}", symbol_address as usize);
if let Some(base) = frame.module_base_address() {
print!(" base: {:#08X}", base as usize);
}
// Resolve this instruction pointer to a symbol name
backtrace::resolve_frame(frame, |symbol| {
if let Some(name) = symbol.name() {
print!(" name: {name}");
}
if let Some(filename) = symbol.filename() {
print!(" file: {}", filename.display());
}
});
println!();
for i in 0..16 {
let b: u8 =
unsafe { std::ptr::read_volatile((symbol_address as *const u8).wrapping_add(i)) };
print!("{:02X} ", b);
}
println!();
true // keep going to the next frame
});
println!("End trace\n");
0
}
@ -21,7 +50,7 @@ pub extern "C" fn luaopen_ewext(lua: *mut lua_State) -> c_int {
println!("Initializing ewext");
unsafe {
LUA.lua_pushcclosure(lua, Some(test_fn), 0);
LUA.lua_setfield(lua, LUA_GLOBALSINDEX, c"ewext".as_ptr())
// LUA.lua_setfield(lua, LUA_GLOBALSINDEX, c"ewext".as_ptr())
}
// let mut luastate = unsafe { State::from_ptr(luastateptr) };
// luastate.new_lib(&EWEXT);