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Fix entry with more than 5/6 arguments.

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This commit is contained in:
losfair
2019-11-19 03:04:07 +08:00
parent ddbdb3e585
commit 2776daedfa
2 changed files with 95 additions and 30 deletions
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78
lib/singlepass-backend/src/codegen_x64.rs
View File

@ -300,16 +300,78 @@ impl RunnableModule for X64ExecutionContext {
}
#[cfg(target_arch = "aarch64")]
{
let callable: extern "C" fn(u64, u64, u64, u64, u64, u64) -> u64 =
std::mem::transmute(func);
// Fix this
let callable: extern "C" fn(
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
u64,
) -> u64 = std::mem::transmute(func);
let mut args = args.iter();
callable(
ctx as u64,
args.get(0).cloned().unwrap_or(0),
args.get(1).cloned().unwrap_or(0),
args.get(2).cloned().unwrap_or(0),
args.get(3).cloned().unwrap_or(0),
args.get(4).cloned().unwrap_or(0),
);
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
args.next().cloned().unwrap_or(0),
)
}
},
Some(execution_context.breakpoints.clone()),

47
lib/singlepass-backend/src/translator_aarch64.rs
View File

@ -1744,7 +1744,28 @@ impl Emitter for Assembler {
fn arch_emit_entry_trampoline(&mut self) {
dynasm!(
self
; sub sp, sp, 96
; mov x18, x28
; mov x28, sp // WASM stack pointer
; ldr x9, >v_65536
; sub sp, sp, x9 // Pre-allocate the WASM stack
; sub x28, x28, 16 // for the last two arguments
// Fixup param locations.
; str x0, [sp, 0]
; str x1, [sp, 8]
; str x2, [sp, 16]
; str x3, [sp, 24]
; str x4, [sp, 32]
; str x5, [sp, 40]
; str x6, [x28, 0]
; str x7, [x28, 8]
; ldr X(map_gpr(GPR::RDI).x()), [sp, 0]
; ldr X(map_gpr(GPR::RSI).x()), [sp, 8]
; ldr X(map_gpr(GPR::RDX).x()), [sp, 16]
; ldr X(map_gpr(GPR::RCX).x()), [sp, 24]
; ldr X(map_gpr(GPR::R8).x()), [sp, 32]
; ldr X(map_gpr(GPR::R9).x()), [sp, 40]
; str x19, [sp, 0]
; str x20, [sp, 8]
; str x21, [sp, 16]
@ -1754,26 +1775,9 @@ impl Emitter for Assembler {
; str x25, [sp, 48]
; str x26, [sp, 56]
; str x27, [sp, 64]
; str x28, [sp, 72]
; str x18, [sp, 72] // previously x28
; str x29, [sp, 80]
; str x30, [sp, 88]
; mov x28, sp // WASM stack pointer
; ldr x9, >v_65536
; sub sp, sp, x9 // Pre-allocate the WASM stack
// Fixup param locations.
; str x0, [sp, 0]
; str x1, [sp, 8]
; str x2, [sp, 16]
; str x3, [sp, 24]
; str x4, [sp, 32]
; str x5, [sp, 40]
; ldr X(map_gpr(GPR::RDI).x()), [sp, 0]
; ldr X(map_gpr(GPR::RSI).x()), [sp, 8]
; ldr X(map_gpr(GPR::RDX).x()), [sp, 16]
; ldr X(map_gpr(GPR::RCX).x()), [sp, 24]
; ldr X(map_gpr(GPR::R8).x()), [sp, 32]
; ldr X(map_gpr(GPR::R9).x()), [sp, 40]
// return address
; adr x20, >done
@ -1784,8 +1788,6 @@ impl Emitter for Assembler {
; b >real_entry
; done:
; ldr x9, >v_65536
; add sp, sp, x9 // Resume stack pointer
; ldr x19, [sp, 0]
; ldr x20, [sp, 8]
; ldr x21, [sp, 16]
@ -1798,7 +1800,8 @@ impl Emitter for Assembler {
; ldr x28, [sp, 72]
; ldr x29, [sp, 80]
; ldr x30, [sp, 88]
; add sp, sp, 96
; ldr x9, >v_65536
; add sp, sp, x9 // Resume stack pointer
; br x30 // LR
; v_65536: