| /* |
| * Debugger Power PC specific functions |
| * |
| * Copyright 2000-2003 Marcus Meissner |
| * 2004 Eric Pouech |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "debugger.h" |
| |
| #if defined(__powerpc__) |
| |
| static BOOL be_ppc_get_addr(HANDLE hThread, const CONTEXT* ctx, |
| enum be_cpu_addr bca, ADDRESS64* addr) |
| { |
| switch (bca) |
| { |
| case be_cpu_addr_pc: |
| return be_cpu_build_addr(hThread, ctx, addr, 0, ctx->Iar); |
| default: |
| case be_cpu_addr_stack: |
| case be_cpu_addr_frame: |
| dbg_printf("not done\n"); |
| } |
| return FALSE; |
| } |
| |
| static BOOL be_ppc_get_register_info(int regno, enum be_cpu_addr* kind) |
| { |
| dbg_printf("not done\n"); |
| return FALSE; |
| } |
| |
| static void be_ppc_single_step(CONTEXT* ctx, BOOL enable) |
| { |
| #ifndef MSR_SE |
| # define MSR_SE (1<<10) |
| #endif |
| if (enable) ctx->Msr |= MSR_SE; |
| else ctx->Msr &= ~MSR_SE; |
| } |
| |
| static void be_ppc_print_context(HANDLE hThread, const CONTEXT* ctx, int all_regs) |
| { |
| dbg_printf("Context printing for PPC not done yet\n"); |
| } |
| |
| static void be_ppc_print_segment_info(HANDLE hThread, const CONTEXT* ctx) |
| { |
| } |
| |
| static struct dbg_internal_var be_ppc_ctx[] = |
| { |
| {0, NULL, 0, dbg_itype_none} |
| }; |
| |
| static BOOL be_ppc_is_step_over_insn(const void* insn) |
| { |
| dbg_printf("not done\n"); |
| return FALSE; |
| } |
| |
| static BOOL be_ppc_is_function_return(const void* insn) |
| { |
| dbg_printf("not done\n"); |
| return FALSE; |
| } |
| |
| static BOOL be_ppc_is_break_insn(const void* insn) |
| { |
| dbg_printf("not done\n"); |
| return FALSE; |
| } |
| |
| static BOOL be_ppc_is_func_call(const void* insn, ADDRESS64* callee) |
| { |
| return FALSE; |
| } |
| |
| static BOOL be_ppc_is_jump(const void* insn, ADDRESS64* jumpee) |
| { |
| return FALSE; |
| } |
| |
| static void be_ppc_disasm_one_insn(ADDRESS64* addr, int display) |
| |
| { |
| dbg_printf("Disasm NIY\n"); |
| } |
| |
| static BOOL be_ppc_insert_Xpoint(HANDLE hProcess, const struct be_process_io* pio, |
| CONTEXT* ctx, enum be_xpoint_type type, |
| void* addr, unsigned long* val, unsigned size) |
| { |
| unsigned long xbp; |
| SIZE_T sz; |
| |
| switch (type) |
| { |
| case be_xpoint_break: |
| if (!size) return FALSE; |
| if (!pio->read(hProcess, addr, val, 4, &sz) || sz != 4) return FALSE; |
| xbp = 0x7d821008; /* 7d 82 10 08 ... in big endian */ |
| if (!pio->write(hProcess, addr, &xbp, 4, &sz) || sz != 4) return FALSE; |
| break; |
| default: |
| dbg_printf("Unknown/unsupported bp type %c\n", type); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| static BOOL be_ppc_remove_Xpoint(HANDLE hProcess, const struct be_process_io* pio, |
| CONTEXT* ctx, enum be_xpoint_type type, |
| void* addr, unsigned long val, unsigned size) |
| { |
| SIZE_T sz; |
| |
| switch (type) |
| { |
| case be_xpoint_break: |
| if (!size) return FALSE; |
| if (!pio->write(hProcess, addr, &val, 4, &sz) || sz == 4) return FALSE; |
| break; |
| default: |
| dbg_printf("Unknown/unsupported bp type %c\n", type); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| static BOOL be_ppc_is_watchpoint_set(const CONTEXT* ctx, unsigned idx) |
| { |
| dbg_printf("not done\n"); |
| return FALSE; |
| } |
| |
| static void be_ppc_clear_watchpoint(CONTEXT* ctx, unsigned idx) |
| { |
| dbg_printf("not done\n"); |
| } |
| |
| static int be_ppc_adjust_pc_for_break(CONTEXT* ctx, BOOL way) |
| { |
| dbg_printf("not done\n"); |
| return 0; |
| } |
| |
| static BOOL be_ppc_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, |
| BOOL is_signed, LONGLONG* ret) |
| { |
| dbg_printf("not done\n"); |
| return FALSE; |
| } |
| |
| static BOOL be_ppc_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, |
| long double* ret) |
| { |
| dbg_printf("not done\n"); |
| return FALSE; |
| } |
| |
| static BOOL be_ppc_store_integer(const struct dbg_lvalue* lvalue, unsigned size, |
| BOOL is_signed, LONGLONG val) |
| { |
| dbg_printf("be_ppc_store_integer: not done\n"); |
| return FALSE; |
| } |
| |
| struct backend_cpu be_ppc = |
| { |
| IMAGE_FILE_MACHINE_POWERPC, |
| 4, |
| be_cpu_linearize, |
| be_cpu_build_addr, |
| be_ppc_get_addr, |
| be_ppc_get_register_info, |
| be_ppc_single_step, |
| be_ppc_print_context, |
| be_ppc_print_segment_info, |
| be_ppc_ctx, |
| be_ppc_is_step_over_insn, |
| be_ppc_is_function_return, |
| be_ppc_is_break_insn, |
| be_ppc_is_func_call, |
| be_ppc_is_jump, |
| be_ppc_disasm_one_insn, |
| be_ppc_insert_Xpoint, |
| be_ppc_remove_Xpoint, |
| be_ppc_is_watchpoint_set, |
| be_ppc_clear_watchpoint, |
| be_ppc_adjust_pc_for_break, |
| be_ppc_fetch_integer, |
| be_ppc_fetch_float, |
| be_ppc_store_integer, |
| }; |
| #endif |