cargo-rz-ghidra
A cargo subcommand that displays ghidra function output through the use of the rizin rz-ghidra project.
Install
cargo install --git https://github.com/wcampbell0x2a/cargo-rz-ghidra
Usage
cargo-rz-ghidra
USAGE:
cargo-rz-ghidra [OPTIONS] --s <S> --bin <BIN> <NAME>
OPTIONS:
-b, --bin <BIN> cargo --bin
-h, --help Print help information
-r, --release cargo --release
-s, --s <S> function symbol used in rizin for ghidra decompile
Example
For instance, check the ghidra output of a function quickly with and without cpu features.
> git clone https://github.com/rsadsb/dump1090_rs
> cd dump1090_rs
without
> cargo rz-ghidra -s to_mag --release --bin dump1090
void sym.dump1090_rs::utils::to_mag::h21b8408e85bb7f8c(void *arg1, int64_t arg2, int64_t arg3)
{
float fVar1;
float fVar2;
float fVar3;
int64_t iVar4;
int64_t iVar5;
float fVar6;
float fVar7;
// dump1090_rs::utils::to_mag::h21b8408e85bb7f8c
(*_reloc.memset)(arg1, 0, 0x4029c);
fVar3 = *(float *)0x9e854;
fVar2 = *(float *)0x9e850;
fVar1 = *(float *)0x9e84c;
if (arg3 != 0) {
iVar4 = 0;
iVar5 = 0;
do {
if (0x20145 < iVar5 + 0x146U) {
dbg.panic_bounds_check(iVar5 + 0x146U, 0x20146, 0xbc658);
do {
invalidInstructionException();
} while( true );
}
fVar6 = (float)(int32_t)*(int16_t *)(arg2 + 2 + iVar4) * fVar1;
fVar7 = (float)(int32_t)*(int16_t *)(arg2 + iVar4) * fVar1;
fVar7 = SQRT(fVar7 * fVar7 + fVar6 * fVar6) * fVar2 + fVar3;
fVar6 = 0.0;
if (0.0 <= fVar7) {
fVar6 = fVar7;
}
fVar7 = fVar2;
if (fVar6 <= fVar2) {
fVar7 = fVar6;
}
*(int16_t *)((int64_t)arg1 + iVar5 * 2 + 0x29c) = (int16_t)(int32_t)fVar7;
// WARNING: Load size is inaccurate
iVar5 = *arg1 + 1;
*(int64_t *)arg1 = iVar5;
iVar4 = iVar4 + 4;
} while (arg3 << 2 != iVar4);
}
return;
}
with
> RUSTFLAGS="-C target-cpu=native" cargo rz-ghidra -s mag --release --bin dump1090
void sym.dump1090_rs::utils::to_mag::hc0809f05591c941a(void *arg1, int64_t arg2, int64_t arg3)
{
undefined auVar1 [16];
undefined auVar2 [16];
undefined auVar3 [16];
undefined auVar4 [16];
undefined auVar5 [16];
int64_t iVar6;
int64_t iVar7;
undefined4 uVar8;
undefined auVar9 [16];
undefined in_YMM3 [32];
undefined in_XMM6 [16];
// dump1090_rs::utils::to_mag::hc0809f05591c941a
auVar9 = SUB3216(in_YMM3, 0);
(*_reloc.memset)(arg1, 0, 0x4029c);
if (arg3 != 0) {
iVar6 = 0;
auVar2 = vmovss_avx(*(undefined4 *)0xa1b04);
auVar3 = vmovss_avx(*(undefined4 *)0xa1b08);
auVar4 = vmovss_avx(*(undefined4 *)0xa1b0c);
auVar9 = vxorps_avx(auVar9, auVar9);
iVar7 = 0;
do {
if (0x20145 < iVar7 + 0x146U) {
dbg.panic_bounds_check(iVar7 + 0x146U, 0x20146, 0xbf618);
do {
invalidInstructionException();
} while( true );
}
auVar1 = vcvtsi2ss_avx(in_XMM6, (int32_t)*(int16_t *)(arg2 + 2 + iVar6));
auVar5 = vmulss_avx(auVar1, auVar2);
auVar1 = vcvtsi2ss_avx(in_XMM6, (int32_t)*(int16_t *)(arg2 + iVar6));
auVar1 = vmulss_avx(auVar1, auVar2);
auVar5 = vmulss_avx(auVar5, auVar5);
auVar1 = vmulss_avx(auVar1, auVar1);
auVar1 = vaddss_avx(auVar5, auVar1);
auVar1 = vsqrtss_avx(auVar1, auVar1);
auVar1 = vmulss_avx(auVar1, auVar3);
auVar1 = vaddss_avx(auVar1, auVar4);
auVar1 = vmaxss_avx(auVar9, auVar1);
auVar1 = vminss_avx(auVar3, auVar1);
uVar8 = vcvttss2si_avx(auVar1);
*(int16_t *)((int64_t)arg1 + iVar7 * 2 + 0x29c) = (int16_t)uVar8;
// WARNING: Load size is inaccurate
iVar7 = *arg1 + 1;
*(int64_t *)arg1 = iVar7;
iVar6 = iVar6 + 4;
} while (arg3 << 2 != iVar6);
}
return;
}
Assumptions
- rizin installed
- rz-ghidra installed
- CARGO_TARGET_DIR=target