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From: Jiangshuai Li <jiangshuaili@sourceware.org> To: gdb-cvs@sourceware.org Subject: [binutils-gdb] gdb/csky just return type from csky_vector_type() for vector resgisters Date: Mon, 21 Nov 2022 01:58:12 +0000 (GMT) [thread overview] Message-ID: <20221121015812.EBA0B385840D@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=84f9fbe90e5429adb9dee68f04f44c92fa9e2345 commit 84f9fbe90e5429adb9dee68f04f44c92fa9e2345 Author: Jiangshuai Li <jiangshuai_li@linux.alibaba.com> Date: Wed Nov 9 19:50:35 2022 +0800 gdb/csky just return type from csky_vector_type() for vector resgisters Some gdb stubs may not describe the type for vector registers in the tdesc-xml and only send bitsize="128", gdb can't deal with a reg with default type int with bitsize==128. So Just return csky_vector_type() for vector resgisters. Diff: --- gdb/csky-tdep.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/gdb/csky-tdep.c b/gdb/csky-tdep.c index ced1b032a7b..f293d204da2 100644 --- a/gdb/csky-tdep.c +++ b/gdb/csky-tdep.c @@ -711,6 +711,13 @@ csky_register_type (struct gdbarch *gdbarch, int reg_nr) return builtin_type (gdbarch)->builtin_int32; } + /* Vector register has 128 bits, and only in ck810. Just return + csky_vector_type(), not check tdesc_has_registers(), is in case + of some GDB stub does not describe type for Vector resgisters + in the target-description-xml. */ + if ((reg_nr >= CSKY_VR0_REGNUM) && (reg_nr <= CSKY_VR0_REGNUM + 15)) + return csky_vector_type (gdbarch); + /* If type has been described in tdesc-xml, use it. */ if (tdesc_has_registers (gdbarch_target_desc (gdbarch))) { @@ -733,10 +740,6 @@ csky_register_type (struct gdbarch *gdbarch, int reg_nr) return arch_float_type (gdbarch, 64, "builtin_type_csky_ext", floatformats_ieee_double); - /* Vector register has 128 bits, and only in ck810. */ - if ((reg_nr >= CSKY_VR0_REGNUM) && (reg_nr <= CSKY_VR0_REGNUM + 15)) - return csky_vector_type (gdbarch); - /* Profiling general register has 48 bits, we use 64bit. */ if ((reg_nr >= CSKY_PROFGR_REGNUM) && (reg_nr <= CSKY_PROFGR_REGNUM + 44)) return builtin_type (gdbarch)->builtin_uint64;
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