diff --git a/sys/arm64/include/db_machdep.h b/sys/arm64/include/db_machdep.h index f2fd2a57a9c3..61b58415e41c 100644 --- a/sys/arm64/include/db_machdep.h +++ b/sys/arm64/include/db_machdep.h @@ -1,123 +1,124 @@ /*- * Copyright (c) 2014 Andrew Turner * Copyright (c) 2014-2015 The FreeBSD Foundation * All rights reserved. * * This software was developed by Semihalf under * sponsorship from the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _MACHINE_DB_MACHDEP_H_ #define _MACHINE_DB_MACHDEP_H_ #include #include #include #define T_BREAKPOINT (EXCP_BRK) #define T_WATCHPOINT (EXCP_WATCHPT_EL1) typedef vm_offset_t db_addr_t; typedef long db_expr_t; #define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_lr) #define BKPT_INST (0xd4200000) #define BKPT_SIZE (4) #define BKPT_SET(inst) (BKPT_INST) -#define BKPT_SKIP do { \ - kdb_frame->tf_elr += BKPT_SIZE; \ +#define BKPT_SKIP do { \ + kdb_frame->tf_elr += BKPT_SIZE; \ + kdb_thrctx->pcb_lr += BKPT_SIZE; \ } while (0) #define db_clear_single_step kdb_cpu_clear_singlestep #define db_set_single_step kdb_cpu_set_singlestep #define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT) #define IS_WATCHPOINT_TRAP(type, code) (type == T_WATCHPOINT) #define inst_trap_return(ins) (0) /* ret */ #define inst_return(ins) (((ins) & 0xfffffc1fu) == 0xd65f0000) #define inst_call(ins) (((ins) & 0xfc000000u) == 0x94000000u || /* BL */ \ ((ins) & 0xfffffc1fu) == 0xd63f0000u) /* BLR */ #define inst_load(ins) ({ \ uint32_t tmp_instr = db_get_value(PC_REGS(), sizeof(uint32_t), FALSE); \ is_load_instr(tmp_instr); \ }) #define inst_store(ins) ({ \ uint32_t tmp_instr = db_get_value(PC_REGS(), sizeof(uint32_t), FALSE); \ is_store_instr(tmp_instr); \ }) #define is_load_instr(ins) ((((ins) & 0x3b000000u) == 0x18000000u) || /* literal */ \ (((ins) & 0x3f400000u) == 0x08400000u) || /* exclusive */ \ (((ins) & 0x3bc00000u) == 0x28400000u) || /* no-allocate pair */ \ ((((ins) & 0x3b200c00u) == 0x38000400u) && \ (((ins) & 0x3be00c00u) != 0x38000400u) && \ (((ins) & 0xffe00c00u) != 0x3c800400u)) || /* immediate post-indexed */ \ ((((ins) & 0x3b200c00u) == 0x38000c00u) && \ (((ins) & 0x3be00c00u) != 0x38000c00u) && \ (((ins) & 0xffe00c00u) != 0x3c800c00u)) || /* immediate pre-indexed */ \ ((((ins) & 0x3b200c00u) == 0x38200800u) && \ (((ins) & 0x3be00c00u) != 0x38200800u) && \ (((ins) & 0xffe00c00u) != 0x3ca00c80u)) || /* register offset */ \ ((((ins) & 0x3b200c00u) == 0x38000800u) && \ (((ins) & 0x3be00c00u) != 0x38000800u)) || /* unprivileged */ \ ((((ins) & 0x3b200c00u) == 0x38000000u) && \ (((ins) & 0x3be00c00u) != 0x38000000u) && \ (((ins) & 0xffe00c00u) != 0x3c800000u)) || /* unscaled immediate */ \ ((((ins) & 0x3b000000u) == 0x39000000u) && \ (((ins) & 0x3bc00000u) != 0x39000000u) && \ (((ins) & 0xffc00000u) != 0x3d800000u)) && /* unsigned immediate */ \ (((ins) & 0x3bc00000u) == 0x28400000u) || /* pair (offset) */ \ (((ins) & 0x3bc00000u) == 0x28c00000u) || /* pair (post-indexed) */ \ (((ins) & 0x3bc00000u) == 0x29800000u)) /* pair (pre-indexed) */ #define is_store_instr(ins) ((((ins) & 0x3f400000u) == 0x08000000u) || /* exclusive */ \ (((ins) & 0x3bc00000u) == 0x28000000u) || /* no-allocate pair */ \ ((((ins) & 0x3be00c00u) == 0x38000400u) || \ (((ins) & 0xffe00c00u) == 0x3c800400u)) || /* immediate post-indexed */ \ ((((ins) & 0x3be00c00u) == 0x38000c00u) || \ (((ins) & 0xffe00c00u) == 0x3c800c00u)) || /* immediate pre-indexed */ \ ((((ins) & 0x3be00c00u) == 0x38200800u) || \ (((ins) & 0xffe00c00u) == 0x3ca00800u)) || /* register offset */ \ (((ins) & 0x3be00c00u) == 0x38000800u) || /* unprivileged */ \ ((((ins) & 0x3be00c00u) == 0x38000000u) || \ (((ins) & 0xffe00c00u) == 0x3c800000u)) || /* unscaled immediate */ \ ((((ins) & 0x3bc00000u) == 0x39000000u) || \ (((ins) & 0xffc00000u) == 0x3d800000u)) || /* unsigned immediate */ \ (((ins) & 0x3bc00000u) == 0x28000000u) || /* pair (offset) */ \ (((ins) & 0x3bc00000u) == 0x28800000u) || /* pair (post-indexed) */ \ (((ins) & 0x3bc00000u) == 0x29800000u)) /* pair (pre-indexed) */ #define next_instr_address(pc, bd) ((bd) ? (pc) : ((pc) + 4)) #define DB_ELFSIZE 64 #endif /* !_MACHINE_DB_MACHDEP_H_ */