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Changes to fix bug with static variables within function scopes.

This commit is contained in:
Fred Fish 1992-01-15 06:42:32 +00:00
parent 8c3d2a53db
commit a5bd5ba617
2 changed files with 22 additions and 14 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
Tue Jan 14 22:34:00 1992 Fred Fish (fnf at cygnus.com)
* dwarfread.c (locval): Add offreg flag to indicate location
values that are computed off a base register.
* dwarfread.c (new_symbol): Rework TAG_global_variable and
TAG_local_variable cases to account for static variables
within function scopes.
Tue Jan 14 12:28:52 1992 Stu Grossman (grossman at cygnus.com)
* inflow.c: remove #include <sys/dir.h>. Not necessary, and

27
gdb/dwarfread.c
View File

@ -186,6 +186,7 @@ static char *dbbase; /* Base pointer to dwarf info */
static int dbroff; /* Relative offset from start of .debug section */
static char *lnbase; /* Base pointer to line section */
static int isreg; /* Kludge to identify register variables */
static int offreg; /* Kludge to identify basereg references */
static CORE_ADDR baseaddr; /* Add to each symbol value */
@ -1737,6 +1738,7 @@ DEFUN(locval, (loc), char *loc)
stacki = 0;
stack[stacki] = 0;
isreg = 0;
offreg = 0;
for (loc += sizeof (short); loc < end; loc += sizeof (long))
{
switch (*loc++) {
@ -1752,6 +1754,7 @@ DEFUN(locval, (loc), char *loc)
case OP_BASEREG:
/* push value of register (number) */
/* Actually, we compute the value as if register has 0 */
offreg = 1;
(void) memcpy (&regno, loc, sizeof (long));
if (regno == R_FP)
{
@ -2443,30 +2446,26 @@ DEFUN(new_symbol, (dip), struct dieinfo *dip)
}
break;
case TAG_global_variable:
case TAG_local_variable:
if (dip -> at_location != NULL)
{
SYMBOL_VALUE (sym) = locval (dip -> at_location);
}
if (dip -> dietag == TAG_global_variable)
{
add_symbol_to_list (sym, &global_symbols);
SYMBOL_CLASS (sym) = LOC_STATIC;
SYMBOL_VALUE (sym) += baseaddr;
}
else
break;
case TAG_local_variable:
if (dip -> at_location != NULL)
{
SYMBOL_VALUE (sym) = locval (dip -> at_location);
add_symbol_to_list (sym, list_in_scope);
if (context_stack_depth > 0)
if (isreg)
{
if (isreg)
{
SYMBOL_CLASS (sym) = LOC_REGISTER;
}
else
{
SYMBOL_CLASS (sym) = LOC_LOCAL;
}
SYMBOL_CLASS (sym) = LOC_REGISTER;
}
else if (offreg)
{
SYMBOL_CLASS (sym) = LOC_LOCAL;
}
else
{