From 1fe8ac3511fc771376019c6bfe77f317c5e56cd6 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Fri, 5 Aug 2022 11:35:19 +0800 Subject: target/loongarch: Fix GDB get the wrong pc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit GDB LoongArch add a register orig_a0, see the base64.xml [1]. We should add the orig_a0 to match the upstream GDB. [1]: https://github.com/bminor/binutils-gdb/blob/master/gdb/features/loongarch/base64.xml Signed-off-by: Song Gao Reviewed-by: Richard Henderson Acked-by: Alex Bennée Message-Id: <20220805033523.1416837-2-gaosong@loongson.cn> --- target/loongarch/gdbstub.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'target/loongarch/gdbstub.c') diff --git a/target/loongarch/gdbstub.c b/target/loongarch/gdbstub.c index 24e126fb2d..5feb43445f 100644 --- a/target/loongarch/gdbstub.c +++ b/target/loongarch/gdbstub.c @@ -19,8 +19,11 @@ int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) if (0 <= n && n < 32) { return gdb_get_regl(mem_buf, env->gpr[n]); } else if (n == 32) { - return gdb_get_regl(mem_buf, env->pc); + /* orig_a0 */ + return gdb_get_regl(mem_buf, 0); } else if (n == 33) { + return gdb_get_regl(mem_buf, env->pc); + } else if (n == 34) { return gdb_get_regl(mem_buf, env->CSR_BADV); } return 0; @@ -36,7 +39,7 @@ int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) if (0 <= n && n < 32) { env->gpr[n] = tmp; length = sizeof(target_ulong); - } else if (n == 32) { + } else if (n == 33) { env->pc = tmp; length = sizeof(target_ulong); } -- cgit v1.2.3