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gdb/csky just return type from csky_vector_type() for vector resgisters

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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.
This commit is contained in:
Jiangshuai Li
2022-11-09 19:50:35 +08:00
parent e710dfe0cf
commit 84f9fbe90e
1 changed files with 7 additions and 4 deletions
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11
gdb/csky-tdep.c
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@ -711,6 +711,13 @@ csky_register_type (struct gdbarch *gdbarch, int reg_nr)
return builtin_type (gdbarch)->builtin_int32; 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 type has been described in tdesc-xml, use it. */
if (tdesc_has_registers (gdbarch_target_desc (gdbarch))) 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", return arch_float_type (gdbarch, 64, "builtin_type_csky_ext",
floatformats_ieee_double); 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. */ /* Profiling general register has 48 bits, we use 64bit. */
if ((reg_nr >= CSKY_PROFGR_REGNUM) && (reg_nr <= CSKY_PROFGR_REGNUM + 44)) if ((reg_nr >= CSKY_PROFGR_REGNUM) && (reg_nr <= CSKY_PROFGR_REGNUM + 44))
return builtin_type (gdbarch)->builtin_uint64; return builtin_type (gdbarch)->builtin_uint64;