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gdb/ChangeLog:

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2005-11-19  Jim Blandy  <jimb@redhat.com>

	* tracepoint.c (memrange_absolute): New enum constant.
	(struct memrange, memrange_cmp, add_memrange, collect_symbol,
	stringify_collection_list, encode_actions): Use it instead of '-1'
	to indicate an fixed-address memory range.
	(Suggested by Eli Zaretskii.)
This commit is contained in:
Jim Blandy
2005-11-21 00:30:22 +00:00
parent 997299430c
commit f50e79a459
2 changed files with 21 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
gdb/ChangeLog
View File

@ -1,5 +1,11 @@
2005-11-19 Jim Blandy <jimb@redhat.com> 2005-11-19 Jim Blandy <jimb@redhat.com>
* tracepoint.c (memrange_absolute): New enum constant.
(struct memrange, memrange_cmp, add_memrange, collect_symbol,
stringify_collection_list, encode_actions): Use it instead of '-1'
to indicate an fixed-address memory range.
(Suggested by Eli Zaretskii.)
* tracepoint.c (stringify_collection_list): Indicate absolute * tracepoint.c (stringify_collection_list): Indicate absolute
memory ranges by using "-1" as the memory range's base register memory ranges by using "-1" as the memory range's base register
number, not "FFFFFFFF". number, not "FFFFFFFF".

24
gdb/tracepoint.c
View File

@ -1069,9 +1069,14 @@ make_cleanup_free_actions (struct tracepoint *t)
return make_cleanup (do_free_actions_cleanup, t); return make_cleanup (do_free_actions_cleanup, t);
} }
enum {
memrange_absolute = -1
};
struct memrange struct memrange
{ {
int type; /* -1 for absolute memory range, else basereg number */ int type; /* memrange_absolute for absolute memory range,
else basereg number */
bfd_signed_vma start; bfd_signed_vma start;
bfd_signed_vma end; bfd_signed_vma end;
}; };
@ -1103,7 +1108,7 @@ memrange_cmp (const void *va, const void *vb)
return -1; return -1;
if (a->type > b->type) if (a->type > b->type)
return 1; return 1;
if (a->type == 0) if (a->type == memrange_absolute)
{ {
if ((bfd_vma) a->start < (bfd_vma) b->start) if ((bfd_vma) a->start < (bfd_vma) b->start)
return -1; return -1;
@ -1175,7 +1180,7 @@ add_memrange (struct collection_list *memranges,
printf_filtered (",%ld)\n", len); printf_filtered (",%ld)\n", len);
} }
/* type: -1 == memory, n == basereg */ /* type: memrange_absolute == memory, other n == basereg */
memranges->list[memranges->next_memrange].type = type; memranges->list[memranges->next_memrange].type = type;
/* base: addr if memory, offset if reg relative. */ /* base: addr if memory, offset if reg relative. */
memranges->list[memranges->next_memrange].start = base; memranges->list[memranges->next_memrange].start = base;
@ -1189,7 +1194,7 @@ add_memrange (struct collection_list *memranges,
memranges->listsize); memranges->listsize);
} }
if (type != -1) /* Better collect the base register! */ if (type != memrange_absolute) /* Better collect the base register! */
add_register (memranges, type); add_register (memranges, type);
} }
@ -1226,7 +1231,7 @@ collect_symbol (struct collection_list *collect,
DEPRECATED_SYMBOL_NAME (sym), len, DEPRECATED_SYMBOL_NAME (sym), len,
tmp /* address */); tmp /* address */);
} }
add_memrange (collect, -1, offset, len); /* -1 == memory */ add_memrange (collect, memrange_absolute, offset, len);
break; break;
case LOC_REGISTER: case LOC_REGISTER:
case LOC_REGPARM: case LOC_REGPARM:
@ -1441,9 +1446,10 @@ stringify_collection_list (struct collection_list *list, char *string)
bfd_signed_vma length = list->list[i].end - list->list[i].start; bfd_signed_vma length = list->list[i].end - list->list[i].start;
/* The "%X" conversion specifier expects an unsigned argument, /* The "%X" conversion specifier expects an unsigned argument,
so passing -1 to it directly gives you "FFFFFFFF" (or more, so passing -1 (memrange_absolute) to it directly gives you
depending on sizeof (unsigned)). Special-case it. */ "FFFFFFFF" (or more, depending on sizeof (unsigned)).
if (list->list[i].type == -1) Special-case it. */
if (list->list[i].type == memrange_absolute)
sprintf (end, "M-1,%s,%lX", tmp2, (long) length); sprintf (end, "M-1,%s,%lX", tmp2, (long) length);
else else
sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length); sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length);
@ -1605,7 +1611,7 @@ encode_actions (struct tracepoint *t, char ***tdp_actions,
tempval = evaluate_expression (exp); tempval = evaluate_expression (exp);
addr = VALUE_ADDRESS (tempval) + value_offset (tempval); addr = VALUE_ADDRESS (tempval) + value_offset (tempval);
len = TYPE_LENGTH (check_typedef (exp->elts[1].type)); len = TYPE_LENGTH (check_typedef (exp->elts[1].type));
add_memrange (collect, -1, addr, len); add_memrange (collect, memrange_absolute, addr, len);
break; break;
case OP_VAR_VALUE: case OP_VAR_VALUE: