diff options
Diffstat (limited to 'erts/emulator/hipe/hipe_arm_glue.S')
-rw-r--r-- | erts/emulator/hipe/hipe_arm_glue.S | 87 |
1 files changed, 69 insertions, 18 deletions
diff --git a/erts/emulator/hipe/hipe_arm_glue.S b/erts/emulator/hipe/hipe_arm_glue.S index 2e2b8604a6..5b7f8ad52d 100644 --- a/erts/emulator/hipe/hipe_arm_glue.S +++ b/erts/emulator/hipe/hipe_arm_glue.S @@ -1,30 +1,31 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2005-2011. All Rights Reserved. + * Copyright Ericsson AB 2005-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * 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 * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * 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. * * %CopyrightEnd% */ - +#define ASM #include "hipe_arm_asm.h" #include "hipe_literals.h" -#define ASM #include "hipe_mode_switch.h" .text .p2align 2 + .arm /* * Enter Erlang from C. @@ -70,6 +71,7 @@ * Emulated code recursively calls native code. */ .global hipe_arm_call_to_native + .type hipe_arm_call_to_native, %function hipe_arm_call_to_native: ENTER_FROM_C /* get argument registers */ @@ -85,6 +87,7 @@ hipe_arm_call_to_native: * This is where native code returns to emulated code. */ .global nbif_return + .type nbif_return, %function nbif_return: str r0, [P, #P_ARG0] /* save retval */ mov r0, #HIPE_MODE_SWITCH_RES_RETURN @@ -95,6 +98,7 @@ nbif_return: * Emulated code returns to its native code caller. */ .global hipe_arm_return_to_native + .type hipe_arm_return_to_native, %function hipe_arm_return_to_native: ENTER_FROM_C /* get return value */ @@ -111,6 +115,7 @@ hipe_arm_return_to_native: * Emulated code tailcalls native code. */ .global hipe_arm_tailcall_to_native + .type hipe_arm_tailcall_to_native, %function hipe_arm_tailcall_to_native: ENTER_FROM_C /* get argument registers */ @@ -125,6 +130,7 @@ hipe_arm_tailcall_to_native: * Emulated code throws an exception to its native code caller. */ .global hipe_arm_throw_to_native + .type hipe_arm_throw_to_native, %function hipe_arm_throw_to_native: ENTER_FROM_C /* invoke the handler */ @@ -135,24 +141,26 @@ hipe_arm_throw_to_native: * which should look as follows: * * stub for f/N: - * <set r8 to f's BEAM code address> + * <set r8 to f's export entry address> * <set r0 to N> * b nbif_callemu * * XXX: Different stubs for different number of register parameters? */ .global nbif_callemu + .type nbif_callemu, %function nbif_callemu: - str r8, [P, #P_BEAM_IP] + str r8, [P, #P_CALLEE_EXP] str r0, [P, #P_ARITY] STORE_ARG_REGS - mov r0, #HIPE_MODE_SWITCH_RES_CALL + mov r0, #HIPE_MODE_SWITCH_RES_CALL_EXPORTED b .suspend_exit /* * nbif_apply */ .global nbif_apply + .type nbif_apply, %function nbif_apply: STORE_ARG_REGS mov r0, #HIPE_MODE_SWITCH_RES_APPLY @@ -169,6 +177,7 @@ nbif_apply: */ #if NR_ARG_REGS >= 6 .global nbif_ccallemu6 + .type nbif_ccallemu6, %function nbif_ccallemu6: str ARG5, [P, #P_ARG5] #if NR_ARG_REGS > 6 @@ -181,6 +190,7 @@ nbif_ccallemu6: #if NR_ARG_REGS >= 5 .global nbif_ccallemu5 + .type nbif_ccallemu5, %function nbif_ccallemu5: str ARG4, [P, #P_ARG4] #if NR_ARG_REGS > 5 @@ -193,6 +203,7 @@ nbif_ccallemu5: #if NR_ARG_REGS >= 4 .global nbif_ccallemu4 + .type nbif_ccallemu4, %function nbif_ccallemu4: str ARG3, [P, #P_ARG3] #if NR_ARG_REGS > 4 @@ -205,6 +216,7 @@ nbif_ccallemu4: #if NR_ARG_REGS >= 3 .global nbif_ccallemu3 + .type nbif_ccallemu3, %function nbif_ccallemu3: str ARG2, [P, #P_ARG2] #if NR_ARG_REGS > 3 @@ -217,6 +229,7 @@ nbif_ccallemu3: #if NR_ARG_REGS >= 2 .global nbif_ccallemu2 + .type nbif_ccallemu2, %function nbif_ccallemu2: str ARG1, [P, #P_ARG1] #if NR_ARG_REGS > 2 @@ -229,6 +242,7 @@ nbif_ccallemu2: #if NR_ARG_REGS >= 1 .global nbif_ccallemu1 + .type nbif_ccallemu1, %function nbif_ccallemu1: str ARG0, [P, #P_ARG0] #if NR_ARG_REGS > 1 @@ -240,6 +254,7 @@ nbif_ccallemu1: #endif .global nbif_ccallemu0 + .type nbif_ccallemu0, %function nbif_ccallemu0: /* We use r1 not ARG0 here because ARG0 is not defined when NR_ARG_REGS == 0. */ @@ -254,6 +269,7 @@ nbif_ccallemu0: * This is where native code suspends. */ .global nbif_suspend_0 + .type nbif_suspend_0, %function nbif_suspend_0: mov r0, #HIPE_MODE_SWITCH_RES_SUSPEND b .suspend_exit @@ -262,6 +278,7 @@ nbif_suspend_0: * Suspend from a receive (waiting for a message) */ .global nbif_suspend_msg + .type nbif_suspend_msg, %function nbif_suspend_msg: mov r0, #HIPE_MODE_SWITCH_RES_WAIT b .suspend_exit @@ -272,6 +289,7 @@ nbif_suspend_msg: * else { return 0; } */ .global nbif_suspend_msg_timeout + .type nbif_suspend_msg_timeout, %function nbif_suspend_msg_timeout: ldr r1, [P, #P_FLAGS] mov r0, #HIPE_MODE_SWITCH_RES_WAIT_TIMEOUT @@ -286,30 +304,45 @@ nbif_suspend_msg_timeout: * This is the default exception handler for native code. */ .global nbif_fail + .type nbif_fail, %function nbif_fail: mov r0, #HIPE_MODE_SWITCH_RES_THROW b .flush_exit /* no need to save RA */ .global nbif_0_gc_after_bif - .global nbif_1_gc_after_bif - .global nbif_2_gc_after_bif - .global nbif_3_gc_after_bif + .type nbif_0_gc_after_bif, %function nbif_0_gc_after_bif: mov r1, #0 b .gc_after_bif + + .global nbif_1_gc_after_bif + .type nbif_1_gc_after_bif, %function nbif_1_gc_after_bif: mov r1, #1 b .gc_after_bif + + .global nbif_2_gc_after_bif + .type nbif_2_gc_after_bif, %function nbif_2_gc_after_bif: mov r1, #2 b .gc_after_bif + + .global nbif_3_gc_after_bif + .type nbif_3_gc_after_bif, %function nbif_3_gc_after_bif: mov r1, #3 + b .gc_after_bif + + .global nbif_4_gc_after_bif + .type nbif_4_gc_after_bif, %function +nbif_4_gc_after_bif: + mov r1, #4 /*FALLTHROUGH*/ .gc_after_bif: str r1, [P, #P_NARITY] str TEMP_LR, [P, #P_NRA] str NSP, [P, #P_NSP] + SET_GC_SAFE(TEMP_LR) mov TEMP_LR, lr mov r3, #0 /* Pass 0 in arity */ mov r2, #0 /* Pass NULL in regs */ @@ -317,6 +350,7 @@ nbif_3_gc_after_bif: mov r0, P bl erts_gc_after_bif_call mov lr, TEMP_LR + SET_GC_UNSAFE(TEMP_LR) ldr TEMP_LR, [P, #P_NRA] mov r1, #0 str r1, [P, #P_NARITY] @@ -330,20 +364,33 @@ nbif_3_gc_after_bif: * TEMP_LR contains a copy of LR */ .global nbif_0_simple_exception + .type nbif_0_simple_exception, %function nbif_0_simple_exception: mov r1, #0 b .nbif_simple_exception + .global nbif_1_simple_exception + .type nbif_1_simple_exception, %function nbif_1_simple_exception: mov r1, #1 b .nbif_simple_exception + .global nbif_2_simple_exception + .type nbif_2_simple_exception, %function nbif_2_simple_exception: mov r1, #2 b .nbif_simple_exception + .global nbif_3_simple_exception + .type nbif_3_simple_exception, %function nbif_3_simple_exception: mov r1, #3 + b .nbif_simple_exception + + .global nbif_4_simple_exception + .type nbif_4_simple_exception, %function +nbif_4_simple_exception: + mov r1, #4 /*FALLTHROUGH*/ .nbif_simple_exception: ldr r0, [P, #P_FREASON] @@ -359,6 +406,7 @@ nbif_3_simple_exception: str NSP, [P, #P_NSP] str TEMP_LR, [P, #P_NRA] str r1, [P, #P_NARITY] + SET_GC_SAFE(r0) /* find and prepare to invoke the handler */ mov r0, P bl hipe_handle_exception /* Note: hipe_handle_exception() conses */ @@ -378,6 +426,7 @@ nbif_3_simple_exception: str NSP, [P, #P_NSP] str r1, [P, #P_NARITY] str TEMP_LR, [P, #P_NRA] + SET_GC_SAFE(NSP) b .nosave_exit /* @@ -385,6 +434,7 @@ nbif_3_simple_exception: * the gray/white stack boundary */ .global nbif_stack_trap_ra + .type nbif_stack_trap_ra, %function nbif_stack_trap_ra: /* a return address, not a function */ # This only handles a single return value. # If we have more, we need to save them in the PCB. @@ -401,6 +451,7 @@ nbif_stack_trap_ra: /* a return address, not a function */ * Caller saved its LR in TEMP_LR (== TEMP1) before calling us. */ .global hipe_arm_inc_stack + .type hipe_arm_inc_stack, %function hipe_arm_inc_stack: STORE_ARG_REGS mov TEMP_ARG0, lr |