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* dwarfread.c (struct dieinfo): Add has_at_byte_size.

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* dwarfread.c (struct_type):  In absence of AT_byte_size for
	bitfield, use size of object of member's type for the size of
	the anonymous object containing the bit field.
	* dwarfread.c (completedieinfo):  Set has_at_byte_size when
	an AT_byte_size attribute is seen.
	* mipsread.c (psymtab_to_symtab_1):  Fix misspelled cast to
	union aux_ext (was aux_ent).
	* i386-pinsn.c (print_insn):  Cast 2'nd arg to read_memory from
	unsigned char* to char*, for Lucid compiler.
	* i386-tdep.c (codestream_fill):  Fix cast of 2'nd arg to read_memory
	to be correct type (from unsigned char* to char*).
	* valprint.c (type_print_derivation_info):  Minor tweak to placement
	of commas in derived class printing.
	* xcoffread.c (builtin_type):  Fix misspelling in fatal message.
This commit is contained in:
Fred Fish 1992-08-09 06:14:59 +00:00
parent 1815e42cc3
commit 50055e94a1
4 changed files with 44 additions and 7 deletions
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18
gdb/ChangeLog
View File

@ -1,3 +1,21 @@
Sat Aug 8 23:12:22 1992 Fred Fish (fnf@cygnus.com)
* dwarfread.c (struct dieinfo): Add has_at_byte_size.
* dwarfread.c (struct_type): In absence of AT_byte_size for
bitfield, use size of object of member's type for the size of
the anonymous object containing the bit field.
* dwarfread.c (completedieinfo): Set has_at_byte_size when
an AT_byte_size attribute is seen.
* mipsread.c (psymtab_to_symtab_1): Fix misspelled cast to
union aux_ext (was aux_ent).
* i386-pinsn.c (print_insn): Cast 2'nd arg to read_memory from
unsigned char* to char*, for Lucid compiler.
* i386-tdep.c (codestream_fill): Fix cast of 2'nd arg to read_memory
to be correct type (from unsigned char* to char*).
* valprint.c (type_print_derivation_info): Minor tweak to placement
of commas in derived class printing.
* xcoffread.c (builtin_type): Fix misspelling in fatal message.
Fri Aug 7 11:18:23 1992 Steve Chamberlain (sac@thepub.cygnus.com)
* xm-go32.h: Define LSEEK_NOT_LINEAR

29
gdb/dwarfread.c
View File

@ -204,6 +204,7 @@ struct dieinfo {
char * at_prototyped;
unsigned int has_at_low_pc:1;
unsigned int has_at_stmt_list:1;
unsigned int has_at_byte_size:1;
unsigned int short_element_list:1;
};
@ -807,6 +808,7 @@ struct_type (dip, thisdie, enddie, objfile)
char *tpart1;
struct dieinfo mbr;
char *nextdie;
int anonymous_size;
if ((type = lookup_utype (dip -> die_ref)) == NULL)
{
@ -841,10 +843,12 @@ struct_type (dip, thisdie, enddie, objfile)
TYPE_NAME (type) = obconcat (&objfile -> type_obstack,
tpart1, " ", dip -> at_name);
}
if (dip -> at_byte_size != 0)
{
TYPE_LENGTH (type) = dip -> at_byte_size;
}
/* Use whatever size is known. Zero is a valid size. We might however
wish to check has_at_byte_size to make sure that some byte size was
given explicitly, but DWARF doesn't specify that explicit sizes of
zero have to present, so complaining about missing sizes should
probably not be the default. */
TYPE_LENGTH (type) = dip -> at_byte_size;
thisdie += dip -> die_length;
while (thisdie < enddie)
{
@ -892,8 +896,22 @@ struct_type (dip, thisdie, enddie, objfile)
itself. The result is the bit offset of the LSB of the field. */
if (mbr.at_bit_size > 0)
{
if (mbr.has_at_byte_size)
{
/* The size of the anonymous object containing the bit field
is explicit, so use the indicated size (in bytes). */
anonymous_size = mbr.at_byte_size;
}
else
{
/* The size of the anonymous object containing the bit field
matches the size of an object of the bit field's type.
DWARF allows at_byte_size to be left out in such cases,
as a debug information size optimization. */
anonymous_size = TYPE_LENGTH (list -> field.type);
}
list -> field.bitpos +=
mbr.at_byte_size * 8 - mbr.at_bit_offset - mbr.at_bit_size;
anonymous_size * 8 - mbr.at_bit_offset - mbr.at_bit_size;
}
#endif
nfields++;
@ -3224,6 +3242,7 @@ completedieinfo (dip, objfile)
case AT_byte_size:
dip -> at_byte_size = target_to_host (diep, nbytes, GET_UNSIGNED,
objfile);
dip -> has_at_byte_size = 1;
break;
case AT_bit_size:
dip -> at_bit_size = target_to_host (diep, nbytes, GET_UNSIGNED,

2
gdb/i386-pinsn.c
View File

@ -1890,7 +1890,7 @@ print_insn (memaddr, stream)
{
unsigned char buffer[MAXLEN];
read_memory (memaddr, buffer, MAXLEN);
read_memory (memaddr, (char *) buffer, MAXLEN);
return (i386dis ((int)memaddr, buffer, stream));
}

2
gdb/xcoffread.c
View File

@ -2383,6 +2383,6 @@ struct type *
builtin_type (ignore)
char **ignore;
{
fatal ("GDB internal eror: builtin_type called on non-RS/6000!");
fatal ("GDB internal error: builtin_type called on non-RS/6000!");
}
#endif /* IBM6000_HOST */