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Fix compilation on Linux.

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This commit is contained in:
losfair 2019-06-26 12:33:50 +08:00
parent bcd54a0152
commit 9b4343eac5
4 changed files with 79 additions and 11 deletions
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15
lib/runtime-core/build.rs
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@ -1,5 +1,4 @@
use blake2b_simd::blake2bp;
use cc::Build;
use std::{env, fs, io::Write, path::PathBuf};
const WASMER_VERSION: &'static str = env!("CARGO_PKG_VERSION");
@ -30,7 +29,15 @@ fn main() {
println!("cargo:rustc-cfg=nightly");
}
cc::Build::new()
.file("image-loading.s")
.compile("image-loading");
if cfg!(all(target_os = "linux", target_arch = "x86_64")) {
cc::Build::new()
.file("image-loading-linux-x86-64.s")
.compile("image-loading");
} else if cfg!(all(target_os = "macos", target_arch = "x86_64")) {
cc::Build::new()
.file("image-loading-macos-x86-64.s")
.compile("image-loading");
} else {
}
}

33
lib/runtime-core/image-loading-linux-x86-64.s Normal file
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@ -0,0 +1,33 @@
.globl run_on_wasm_stack
run_on_wasm_stack:
# (stack_end, stack_begin)
# We need to ensure 16-byte alignment here.
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
pushq %rbp
movq %rsp, -16(%rdi)
leaq run_on_wasm_stack.returning(%rip), %rax
movq %rax, -24(%rdi)
movq %rsi, %rsp
popq %rbp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
retq
run_on_wasm_stack.returning:
movq (%rsp), %rsp
popq %rbp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
retq

0
lib/runtime-core/image-loading.s → lib/runtime-core/image-loading-macos-x86-64.s
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42
lib/singlepass-backend/src/protect_unix.rs
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@ -189,11 +189,11 @@ pub struct FaultInfo {
}
#[cfg(all(target_os = "linux", target_arch = "x86_64"))]
unsafe fn get_faulting_addr_and_ip(
siginfo: *const c_void,
ucontext: *const c_void,
) -> (*const c_void, *const c_void) {
use libc::{ucontext_t, RIP};
unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) -> FaultInfo {
use libc::{
ucontext_t, R10, R11, R12, R13, R14, R15, R8, R9, RAX, RBP, RBX, RCX, RDI, RDX, RIP, RSI,
RSP,
};
#[allow(dead_code)]
#[repr(C)]
@ -209,9 +209,35 @@ unsafe fn get_faulting_addr_and_ip(
let si_addr = (*siginfo).si_addr;
let ucontext = ucontext as *const ucontext_t;
let rip = (*ucontext).uc_mcontext.gregs[RIP as usize];
let gregs = &(*ucontext).uc_mcontext.gregs;
(si_addr as _, rip as _)
let mut known_registers: [Option<u64>; 24] = [None; 24];
known_registers[X64Register::GPR(GPR::R15).to_index().0] = Some(gregs[R15 as usize] as _);
known_registers[X64Register::GPR(GPR::R14).to_index().0] = Some(gregs[R14 as usize] as _);
known_registers[X64Register::GPR(GPR::R13).to_index().0] = Some(gregs[R13 as usize] as _);
known_registers[X64Register::GPR(GPR::R12).to_index().0] = Some(gregs[R12 as usize] as _);
known_registers[X64Register::GPR(GPR::R11).to_index().0] = Some(gregs[R11 as usize] as _);
known_registers[X64Register::GPR(GPR::R10).to_index().0] = Some(gregs[R10 as usize] as _);
known_registers[X64Register::GPR(GPR::R9).to_index().0] = Some(gregs[R9 as usize] as _);
known_registers[X64Register::GPR(GPR::R8).to_index().0] = Some(gregs[R8 as usize] as _);
known_registers[X64Register::GPR(GPR::RSI).to_index().0] = Some(gregs[RSI as usize] as _);
known_registers[X64Register::GPR(GPR::RDI).to_index().0] = Some(gregs[RDI as usize] as _);
known_registers[X64Register::GPR(GPR::RDX).to_index().0] = Some(gregs[RDX as usize] as _);
known_registers[X64Register::GPR(GPR::RCX).to_index().0] = Some(gregs[RCX as usize] as _);
known_registers[X64Register::GPR(GPR::RBX).to_index().0] = Some(gregs[RBX as usize] as _);
known_registers[X64Register::GPR(GPR::RAX).to_index().0] = Some(gregs[RAX as usize] as _);
known_registers[X64Register::GPR(GPR::RBP).to_index().0] = Some(gregs[RBP as usize] as _);
known_registers[X64Register::GPR(GPR::RSP).to_index().0] = Some(gregs[RSP as usize] as _);
// TODO: XMM registers
FaultInfo {
faulting_addr: si_addr as usize as _,
ip: gregs[RIP as usize] as _,
known_registers,
}
}
#[cfg(all(target_os = "macos", target_arch = "x86_64"))]
@ -291,6 +317,8 @@ unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) -> Fau
known_registers[X64Register::GPR(GPR::RBP).to_index().0] = Some(ss.rbp);
known_registers[X64Register::GPR(GPR::RSP).to_index().0] = Some(ss.rsp);
// TODO: XMM registers
FaultInfo {
faulting_addr: si_addr,
ip: ss.rip as _,