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Merge master and add documentation.

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This commit is contained in:
losfair
2019-11-13 14:52:22 +08:00
parent e2956e7b1a d64d070c9f
commit 08a1dd3e8c
74 changed files with 1782 additions and 489 deletions
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24
lib/singlepass-backend/src/codegen_x64.rs
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@ -667,18 +667,30 @@ impl ModuleCodeGenerator<X64FunctionCode, X64ExecutionContext, CodegenError>
// Emits a tail call trampoline that loads the address of the target import function
// from Ctx and jumps to it.
let imported_funcs_addr = vm::Ctx::offset_imported_funcs();
let imported_func = vm::ImportedFunc::size() as usize * id;
let imported_func_addr = imported_func + vm::ImportedFunc::offset_func() as usize;
let imported_func_ctx_addr = imported_func + vm::ImportedFunc::offset_func_ctx() as usize;
let imported_func_ctx_vmctx_addr = vm::FuncCtx::offset_vmctx() as usize;
a.emit_mov(
Size::S64,
Location::Memory(GPR::RDI, vm::Ctx::offset_imported_funcs() as i32),
Location::Memory(GPR::RDI, imported_funcs_addr as i32),
Location::GPR(GPR::RAX),
);
a.emit_mov(
Size::S64,
Location::Memory(
GPR::RAX,
(vm::ImportedFunc::size() as usize * id + vm::ImportedFunc::offset_func() as usize)
as i32,
),
Location::Memory(GPR::RAX, imported_func_ctx_addr as i32),
Location::GPR(GPR::RDI),
);
a.emit_mov(
Size::S64,
Location::Memory(GPR::RDI, imported_func_ctx_vmctx_addr as i32),
Location::GPR(GPR::RDI),
);
a.emit_mov(
Size::S64,
Location::Memory(GPR::RAX, imported_func_addr as i32),
Location::GPR(GPR::RAX),
);
a.emit_homomorphic_host_redirection(GPR::RAX);