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2001-12-04 Orjan Friberg <orjanf@axis.com>

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* cris-tdep.c (cris_regnums): Add DCCR_REGNUM for completeness.
	(cris_examine): Add comment about solib prologue parsing.
	(bdap_prefix): Read offset with correct signedness and size.
	(move_to_preg_op): Don't rely on register numbering for register size.
	(none_reg_mode_move_from_preg_op): Ditto.
This commit is contained in:
Orjan Friberg 2001-12-04 10:33:57 +00:00
parent cedd9a5807
commit 2a9ecef2fc
2 changed files with 32 additions and 13 deletions
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8
gdb/ChangeLog
View File

@ -1,3 +1,11 @@
2001-12-04 Orjan Friberg <orjanf@axis.com>
* cris-tdep.c (cris_regnums): Add DCCR_REGNUM for completeness.
(cris_examine): Add comment about solib prologue parsing.
(bdap_prefix): Read offset with correct signedness and size.
(move_to_preg_op): Don't rely on register numbering for register size.
(none_reg_mode_move_from_preg_op): Ditto.
2001-12-04 Orjan Friberg <orjanf@axis.com>
* solib.c (solib_open): Make path relative if search for absolute path

37
gdb/cris-tdep.c
View File

@ -88,6 +88,7 @@ enum cris_regnums
IRP_REGNUM = 26,
SRP_REGNUM = 27,
BAR_REGNUM = 28,
DCCR_REGNUM = 29,
BRP_REGNUM = 30,
USP_REGNUM = 31
};
@ -591,6 +592,14 @@ cris_examine (CORE_ADDR ip, CORE_ADDR limit, struct frame_info *fi,
return ip;
}
source_register = cris_get_operand1 (insn);
/* FIXME? In the glibc solibs, the prologue might contain something
like (this example taken from relocate_doit):
move.d $pc,$r0
sub.d 0xfffef426,$r0
which isn't covered by the source_register check below. Question
is whether to add a check for this combo, or make better use of
the limit variable instead. */
if (source_register < ARG1_REGNUM || source_register > ARG4_REGNUM)
{
/* The prologue ended before the limit was reached. */
@ -1860,6 +1869,11 @@ process_autoincrement (int size, unsigned short inst, inst_env_type *inst_env)
}
}
/* Just a forward declaration. */
unsigned long
get_data_from_address (unsigned short *inst, CORE_ADDR address);
/* Calculates the prefix value for the general case of offset addressing
mode. */
@ -1884,9 +1898,8 @@ bdap_prefix (unsigned short inst, inst_env_type *inst_env)
/* The offset is an indirection of the contents of the operand1 register. */
inst_env->prefix_value +=
read_memory_integer (inst_env->reg[cris_get_operand1 (inst)],
cris_get_size (inst));
get_data_from_address (&inst, inst_env->reg[cris_get_operand1 (inst)]);
if (cris_get_mode (inst) == AUTOINC_MODE)
{
process_autoincrement (cris_get_size (inst), inst, inst_env);
@ -2580,14 +2593,13 @@ move_to_preg_op (unsigned short inst, inst_env_type *inst_env)
inst_env->invalid = 1;
return;
}
/* The increment depends on the size of the special register.
Register P0 to P3 has the size byte, register P4 to P7 has the
size word and register P8 to P15 has the size dword. */
if (cris_get_operand2 (inst) < 4)
/* The increment depends on the size of the special register. */
if (cris_register_size (cris_get_operand2 (inst)) == 1)
{
process_autoincrement (INST_BYTE_SIZE, inst, inst_env);
}
if (cris_get_operand2 (inst) < 8)
else if (cris_register_size (cris_get_operand2 (inst)) == 2)
{
process_autoincrement (INST_WORD_SIZE, inst, inst_env);
}
@ -2636,14 +2648,13 @@ none_reg_mode_move_from_preg_op (unsigned short inst, inst_env_type *inst_env)
inst_env->invalid = 1;
return;
}
/* The increment depends on the size of the special register.
Register P0 to P3 has the size byte, register P4 to P7 has
the size word and register P8 to P15 has the size dword. */
if (cris_get_operand2 (inst) < 4)
/* The increment depends on the size of the special register. */
if (cris_register_size (cris_get_operand2 (inst)) == 1)
{
process_autoincrement (INST_BYTE_SIZE, inst, inst_env);
}
if (cris_get_operand2 (inst) < 8)
else if (cris_register_size (cris_get_operand2 (inst)) == 2)
{
process_autoincrement (INST_WORD_SIZE, inst, inst_env);
}