CC: Alex Bennée
The one for m68k is already queued by Alex.
Thanks,
Laurent
Le 12/04/2020 à 12:44, Changbin Du a écrit :
> With GByteArray, we should pass the object itself but not to plus an offset.
>
> gdb log:
> Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
> __memmove_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:384
> 384 ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S: No such file or directory.
>
> Fixes: a010bdbe71 ("gdbstub: extend GByteArray to read register helpers")
> Signed-off-by: Changbin Du <changbin.du@gmail.com>
> ---
> target/i386/gdbstub.c | 2 +-
> target/m68k/helper.c | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/target/i386/gdbstub.c b/target/i386/gdbstub.c
> index f3d23b614e..b98a99500a 100644
> --- a/target/i386/gdbstub.c
> +++ b/target/i386/gdbstub.c
> @@ -106,7 +106,7 @@ int x86_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
> } else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) {
> floatx80 *fp = (floatx80 *) &env->fpregs[n - IDX_FP_REGS];
> int len = gdb_get_reg64(mem_buf, cpu_to_le64(fp->low));
> - len += gdb_get_reg16(mem_buf + len, cpu_to_le16(fp->high));
> + len += gdb_get_reg16(mem_buf, cpu_to_le16(fp->high));
> return len;
> } else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) {
> n -= IDX_XMM_REGS;
> diff --git a/target/m68k/helper.c b/target/m68k/helper.c
> index 014657c637..cad4083895 100644
> --- a/target/m68k/helper.c
> +++ b/target/m68k/helper.c
> @@ -109,8 +109,8 @@ static int m68k_fpu_gdb_get_reg(CPUM68KState *env, GByteArray *mem_buf, int n)
> {
> if (n < 8) {
> int len = gdb_get_reg16(mem_buf, env->fregs[n].l.upper);
> - len += gdb_get_reg16(mem_buf + len, 0);
> - len += gdb_get_reg64(mem_buf + len, env->fregs[n].l.lower);
> + len += gdb_get_reg16(mem_buf, 0);
> + len += gdb_get_reg64(mem_buf, env->fregs[n].l.lower);
> return len;
> }
> switch (n) {
>