| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "asm_support.h" |
| |
| #if defined(__APPLE__) |
| // Mac OS' as(1) doesn't let you name macro parameters. |
| #define MACRO0(macro_name) .macro macro_name |
| #define MACRO1(macro_name, macro_arg1) .macro macro_name |
| #define MACRO2(macro_name, macro_arg1, macro_args2) .macro macro_name |
| #define END_MACRO .endmacro |
| |
| // Mac OS' as(1) uses $0, $1, and so on for macro arguments, and function names |
| // are mangled with an extra underscore prefix. The use of $x for arguments |
| // mean that literals need to be represented with $$x in macros. |
| #define VAR(name,index) _$index |
| #define LITERAL(value) $$value |
| #else |
| // Regular gas(1) lets you name macro parameters. |
| #define MACRO0(macro_name) .macro macro_name |
| #define MACRO1(macro_name, macro_arg1) .macro macro_name macro_arg1 |
| #define MACRO2(macro_name, macro_arg1, macro_arg2) .macro macro_name macro_arg1, macro_arg2 |
| #define END_MACRO .endm |
| |
| // Regular gas(1) uses \argument_name for macro arguments. |
| // We need to turn on alternate macro syntax so we can use & instead or the preprocessor |
| // will screw us by inserting a space between the \ and the name. Even in this mode there's |
| // no special meaning to $, so literals are still just $x. |
| .altmacro |
| #define VAR(name,index) name& |
| #define LITERAL(value) $value |
| #endif |
| |
| /* Cache alignment for function entry */ |
| MACRO0(ALIGN_FUNCTION_ENTRY) |
| .balign 16 |
| END_MACRO |
| |
| /* |
| * Macro that sets up the callee save frame to conform with |
| * Runtime::CreateCalleeSaveMethod(...) |
| */ |
| MACRO0(SETUP_SAVE_ALL_CALLEE_SAVE_FRAME) |
| pushl %edi // Save callee saves (ebx is saved/restored by the upcall) |
| pushl %esi |
| pushl %ebp |
| subl LITERAL(16), %esp // Grow stack by 4 words, bottom word will hold Method* |
| END_MACRO |
| |
| MACRO0(RESTORE_CALLEE_SAVE_FRAME) |
| addl LITERAL(16), %esp // Remove padding |
| popl %ebp // Restore callee saves |
| popl %esi |
| popl %edi |
| END_MACRO |
| |
| /* |
| * Macro that sets up the callee save frame to conform with |
| * Runtime::CreateCalleeSaveMethod(...) |
| */ |
| MACRO0(SETUP_REF_AND_ARG_CALLEE_SAVE_FRAME) |
| pushl %edi // Save callee saves |
| pushl %esi |
| pushl %ebp |
| pushl %ebx // Save args |
| pushl %edx |
| pushl %ecx |
| pushl %eax // Align stack, eax will be clobbered by Method* |
| END_MACRO |
| |
| MACRO0(RESTORE_REF_AND_ARG_CALLEE_SAVE_FRAME) |
| addl LITERAL(16), %esp // Remove padding |
| popl %ebp // Restore callee saves |
| popl %esi |
| popl %edi |
| END_MACRO |
| |
| /* |
| * Macro that set calls through to artDeliverPendingExceptionFromCode, where the pending |
| * exception is Thread::Current()->exception_. |
| */ |
| MACRO0(DELIVER_PENDING_EXCEPTION) |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save callee saves for throw |
| mov %esp, %ecx |
| // Outgoing argument set up |
| subl LITERAL(8), %esp // Alignment padding |
| pushl %ecx // pass SP |
| pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| call artDeliverPendingExceptionFromCode // artDeliverExceptionFromCode(Thread*, SP) |
| int3 |
| END_MACRO |
| |
| MACRO2(NO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
| .globl VAR(c_name, 0) |
| ALIGN_FUNCTION_ENTRY |
| VAR(c_name, 0): |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| mov %esp, %ecx |
| // Outgoing argument set up |
| subl LITERAL(8), %esp // alignment padding |
| pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| pushl %ecx // pass SP |
| call VAR(cxx_name, 1) // cxx_name(Thread*, SP) |
| int3 // unreached |
| END_MACRO |
| |
| MACRO2(ONE_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
| .globl VAR(c_name, 0) |
| ALIGN_FUNCTION_ENTRY |
| VAR(c_name, 0): |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| mov %esp, %ecx |
| // Outgoing argument set up |
| pushl LITERAL(0) // alignment padding |
| pushl %ecx // pass SP |
| pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| pushl %eax // pass arg1 |
| call VAR(cxx_name, 1) // cxx_name(arg1, Thread*, SP) |
| int3 // unreached |
| END_MACRO |
| |
| MACRO2(TWO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
| .globl VAR(c_name, 0) |
| ALIGN_FUNCTION_ENTRY |
| VAR(c_name, 0): |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| mov %esp, %edx |
| // Outgoing argument set up |
| pushl %edx // pass SP |
| pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| pushl %eax // pass arg1 |
| pushl %ecx // pass arg2 |
| call VAR(cxx_name, 1) // cxx_name(arg2, arg1, Thread*, SP) |
| int3 // unreached |
| END_MACRO |
| |
| /* |
| * Called by managed code to create and deliver a NullPointerException. |
| */ |
| NO_ARG_RUNTIME_EXCEPTION art_throw_null_pointer_exception_from_code, artThrowNullPointerExceptionFromCode |
| |
| /* |
| * Called by managed code to create and deliver an ArithmeticException. |
| */ |
| NO_ARG_RUNTIME_EXCEPTION art_throw_div_zero_from_code, artThrowDivZeroFromCode |
| |
| /* |
| * Called by managed code to create and deliver a StackOverflowError. |
| */ |
| NO_ARG_RUNTIME_EXCEPTION art_throw_stack_overflow_from_code, artThrowStackOverflowFromCode |
| |
| /* |
| * Called by managed code, saves callee saves and then calls artThrowException |
| * that will place a mock Method* at the bottom of the stack. Arg1 holds the exception. |
| */ |
| ONE_ARG_RUNTIME_EXCEPTION art_deliver_exception_from_code, artDeliverExceptionFromCode |
| |
| /* |
| * Called by managed code to create and deliver a NoSuchMethodError. |
| */ |
| ONE_ARG_RUNTIME_EXCEPTION art_throw_no_such_method_from_code, artThrowNoSuchMethodFromCode |
| |
| /* |
| * Called by managed code to create and deliver an ArrayIndexOutOfBoundsException. Arg1 holds |
| * index, arg2 holds limit. |
| */ |
| TWO_ARG_RUNTIME_EXCEPTION art_throw_array_bounds_from_code, artThrowArrayBoundsFromCode |
| |
| /* |
| * Called by managed code to create and deliver verification errors. Arg1 is kind, arg2 is ref. |
| */ |
| TWO_ARG_RUNTIME_EXCEPTION art_throw_verification_error_from_code, artThrowVerificationErrorFromCode |
| |
| /* |
| * All generated callsites for interface invokes and invocation slow paths will load arguments |
| * as usual - except instead of loading arg0/r0 with the target Method*, arg0/r0 will contain |
| * the method_idx. This wrapper will save arg1-arg3, load the caller's Method*, align the |
| * stack and call the appropriate C helper. |
| * NOTE: "this" is first visible argument of the target, and so can be found in arg1/r1. |
| * |
| * The helper will attempt to locate the target and return a 64-bit result in r0/r1 consisting |
| * of the target Method* in r0 and method->code_ in r1. |
| * |
| * If unsuccessful, the helper will return NULL/NULL. There will bea pending exception in the |
| * thread and we branch to another stub to deliver it. |
| * |
| * On success this wrapper will restore arguments and *jump* to the target, leaving the lr |
| * pointing back to the original caller. |
| */ |
| MACRO2(INVOKE_TRAMPOLINE, c_name, cxx_name) |
| .globl VAR(c_name, 0) |
| ALIGN_FUNCTION_ENTRY |
| VAR(c_name, 0): |
| int3 |
| END_MACRO |
| |
| INVOKE_TRAMPOLINE art_invoke_interface_trampoline, artInvokeInterfaceTrampoline |
| INVOKE_TRAMPOLINE art_invoke_interface_trampoline_with_access_check, artInvokeInterfaceTrampolineWithAccessCheck |
| |
| INVOKE_TRAMPOLINE art_invoke_static_trampoline_with_access_check, artInvokeStaticTrampolineWithAccessCheck |
| INVOKE_TRAMPOLINE art_invoke_direct_trampoline_with_access_check, artInvokeDirectTrampolineWithAccessCheck |
| INVOKE_TRAMPOLINE art_invoke_super_trampoline_with_access_check, artInvokeSuperTrampolineWithAccessCheck |
| INVOKE_TRAMPOLINE art_invoke_virtual_trampoline_with_access_check, artInvokeVirtualTrampolineWithAccessCheck |
| |
| MACRO1(UNIMPLEMENTED,name) |
| .globl VAR(name, 0) |
| ALIGN_FUNCTION_ENTRY |
| VAR(name, 0): |
| int3 |
| END_MACRO |
| |
| // TODO: implement these! |
| UNIMPLEMENTED art_proxy_invoke_handler |
| UNIMPLEMENTED art_update_debugger |
| UNIMPLEMENTED art_test_suspend |
| UNIMPLEMENTED art_alloc_object_from_code |
| UNIMPLEMENTED art_alloc_object_from_code_with_access_check |
| UNIMPLEMENTED art_alloc_array_from_code |
| UNIMPLEMENTED art_alloc_array_from_code_with_access_check |
| UNIMPLEMENTED art_check_and_alloc_array_from_code |
| UNIMPLEMENTED art_check_and_alloc_array_from_code_with_access_check |
| UNIMPLEMENTED art_can_put_array_element_from_code |
| UNIMPLEMENTED art_check_cast_from_code |
| UNIMPLEMENTED art_initialize_static_storage_from_code |
| UNIMPLEMENTED art_initialize_type_and_verify_access_from_code |
| UNIMPLEMENTED art_initialize_type_from_code |
| UNIMPLEMENTED art_resolve_string_from_code |
| UNIMPLEMENTED art_set32_instance_from_code |
| UNIMPLEMENTED art_set64_instance_from_code |
| UNIMPLEMENTED art_set_obj_instance_from_code |
| UNIMPLEMENTED art_get32_instance_from_code |
| UNIMPLEMENTED art_get64_instance_from_code |
| UNIMPLEMENTED art_get_obj_instance_from_code |
| UNIMPLEMENTED art_set32_static_from_code |
| UNIMPLEMENTED art_set64_static_from_code |
| UNIMPLEMENTED art_set_obj_static_from_code |
| UNIMPLEMENTED art_get32_static_from_code |
| UNIMPLEMENTED art_get64_static_from_code |
| UNIMPLEMENTED art_get_obj_static_from_code |
| UNIMPLEMENTED art_handle_fill_data_from_code |
| UNIMPLEMENTED art_lock_object_from_code |
| UNIMPLEMENTED art_unlock_object_from_code |
| UNIMPLEMENTED art_indexof |
| UNIMPLEMENTED __memcmp16 |
| UNIMPLEMENTED art_string_compareto |