Toolchain/binutils-gdb
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Check for NULL selected_frame in various places.

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This commit is contained in:
Jim Kingdon
1991-04-22 20:08:53 +00:00
parent fcb887ffcd
commit 777bef06cd
7 changed files with 64 additions and 13 deletions
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15
gdb/findvar.c
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@@ -354,7 +354,8 @@ supply_register (regno, val)
/* Given a struct symbol for a variable,
and a stack frame id, read the value of the variable
and return a (pointer to a) struct value containing the value.
If the variable cannot be found, return a zero pointer. */
If the variable cannot be found, return a zero pointer.
If FRAME is NULL, use the selected_frame. */
value
read_var_value (var, frame)
@@ -411,6 +412,8 @@ read_var_value (var, frame)
case LOC_ARG:
fi = get_frame_info (frame);
if (fi == NULL)
return 0;
addr = FRAME_ARGS_ADDRESS (fi);
if (!addr) {
return 0;
@@ -420,6 +423,8 @@ read_var_value (var, frame)
case LOC_REF_ARG:
fi = get_frame_info (frame);
if (fi == NULL)
return 0;
addr = FRAME_ARGS_ADDRESS (fi);
if (!addr) {
return 0;
@@ -431,6 +436,8 @@ read_var_value (var, frame)
case LOC_LOCAL:
case LOC_LOCAL_ARG:
fi = get_frame_info (frame);
if (fi == NULL)
return 0;
addr = SYMBOL_VALUE (var) + FRAME_LOCALS_ADDRESS (fi);
break;
@@ -445,8 +452,12 @@ read_var_value (var, frame)
case LOC_REGISTER:
case LOC_REGPARM:
{
struct block *b = get_frame_block (frame);
struct block *b;
if (frame == NULL)
return 0;
b = get_frame_block (frame);
v = value_from_register (type, SYMBOL_VALUE (var), frame);
if (REG_STRUCT_HAS_ADDR(b->gcc_compile_flag)