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wine
wine-winehq
Commits
2ce9ad86
Commit
2ce9ad86
authored
Jul 31, 2000
by
Ove Kaaven
Committed by
Alexandre Julliard
Jul 31, 2000
Browse files
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Plain Diff
Tidyed up stack backtrace code a bit, and added a simple special
case for backtracing from a null EIP.
parent
66791afa
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
41 additions
and
76 deletions
+41
-76
stack.c
debugger/stack.c
+41
-76
No files found.
debugger/stack.c
View file @
2ce9ad86
...
...
@@ -79,7 +79,7 @@ void DEBUG_InfoStack(void)
}
#ifdef __i386__
static
void
DEBUG_ForceFrame
(
DBG_ADDR
*
stack
,
DBG_ADDR
*
code
,
int
frameno
,
int
bits
,
int
noisy
)
static
void
DEBUG_ForceFrame
(
DBG_ADDR
*
stack
,
DBG_ADDR
*
code
,
int
frameno
,
int
bits
,
int
noisy
,
const
char
*
caveat
)
{
int
theframe
=
nframe
++
;
frames
=
(
struct
bt_info
*
)
DBG_realloc
(
frames
,
...
...
@@ -99,16 +99,16 @@ static void DEBUG_ForceFrame(DBG_ADDR *stack, DBG_ADDR *code, int frameno, int b
frames
[
theframe
].
ss
=
stack
->
seg
;
frames
[
theframe
].
ebp
=
stack
->
off
;
if
(
noisy
)
{
DEBUG_Printf
(
DBG_CHN_MESG
,
(
bits
==
16
)
?
" (bp=%04lx
)
\n
"
:
" (ebp=%08lx)
\n
"
,
stack
->
off
);
DEBUG_Printf
(
DBG_CHN_MESG
,
(
bits
==
16
)
?
" (bp=%04lx
%s)
\n
"
:
" (ebp=%08lx%s)
\n
"
,
stack
->
off
,
caveat
?
caveat
:
""
);
}
}
static
BOOL
DEBUG_Frame16
(
DBG_ADDR
*
addr
,
unsigned
int
*
cs
,
int
frameno
,
int
noisy
)
{
unsigned
int
ss
=
addr
->
seg
,
possible_cs
=
0
;
unsigned
int
possible_cs
=
0
;
FRAME16
frame
;
int
theframe
=
nframe
;
void
*
p
=
(
void
*
)
DEBUG_ToLinear
(
addr
);
DBG_ADDR
code
;
if
(
!
p
)
return
FALSE
;
...
...
@@ -117,12 +117,7 @@ static BOOL DEBUG_Frame16(DBG_ADDR *addr, unsigned int *cs, int frameno, int noi
return
FALSE
;
}
if
(
!
frame
.
bp
)
return
FALSE
;
nframe
++
;
frames
=
(
struct
bt_info
*
)
DBG_realloc
(
frames
,
nframe
*
sizeof
(
struct
bt_info
));
if
(
noisy
)
DEBUG_Printf
(
DBG_CHN_MESG
,
"%s%d "
,
(
theframe
==
curr_frame
?
"=>"
:
" "
),
frameno
);
if
(
frame
.
bp
&
1
)
*
cs
=
frame
.
cs
;
else
{
/* not explicitly marked as far call,
...
...
@@ -138,33 +133,19 @@ static BOOL DEBUG_Frame16(DBG_ADDR *addr, unsigned int *cs, int frameno, int noi
}
}
}
frames
[
theframe
].
cs
=
addr
->
seg
=
*
cs
;
frames
[
theframe
].
eip
=
addr
->
off
=
frame
.
ip
;
if
(
noisy
)
frames
[
theframe
].
frame
=
DEBUG_PrintAddressAndArgs
(
addr
,
16
,
frame
.
bp
,
TRUE
);
else
DEBUG_FindNearestSymbol
(
addr
,
TRUE
,
&
frames
[
theframe
].
frame
.
sym
,
frame
.
bp
,
&
frames
[
theframe
].
frame
.
list
);
frames
[
theframe
].
ss
=
addr
->
seg
=
ss
;
frames
[
theframe
].
ebp
=
addr
->
off
=
frame
.
bp
&
~
1
;
if
(
noisy
)
{
DEBUG_Printf
(
DBG_CHN_MESG
,
" (bp=%04lx"
,
addr
->
off
);
if
(
possible_cs
)
{
DEBUG_Printf
(
DBG_CHN_MESG
,
", far call assumed"
);
}
DEBUG_Printf
(
DBG_CHN_MESG
,
")
\n
"
);
}
code
.
seg
=
*
cs
;
code
.
off
=
frame
.
ip
;
addr
->
off
=
frame
.
bp
&
~
1
;
DEBUG_ForceFrame
(
addr
,
&
code
,
frameno
,
16
,
noisy
,
possible_cs
?
", far call assumed"
:
NULL
);
return
TRUE
;
}
static
BOOL
DEBUG_Frame32
(
DBG_ADDR
*
addr
,
unsigned
int
*
cs
,
int
frameno
,
int
noisy
)
{
unsigned
int
ss
=
addr
->
seg
;
FRAME32
frame
;
int
theframe
=
nframe
;
void
*
p
=
(
void
*
)
DEBUG_ToLinear
(
addr
);
DBG_ADDR
code
;
DWORD
old_bp
=
addr
->
off
;
if
(
!
p
)
return
FALSE
;
...
...
@@ -173,27 +154,12 @@ static BOOL DEBUG_Frame32(DBG_ADDR *addr, unsigned int *cs, int frameno, int noi
return
FALSE
;
}
if
(
!
frame
.
ip
)
return
FALSE
;
nframe
++
;
frames
=
(
struct
bt_info
*
)
DBG_realloc
(
frames
,
nframe
*
sizeof
(
struct
bt_info
));
if
(
noisy
)
DEBUG_Printf
(
DBG_CHN_MESG
,
"%s%d "
,
(
theframe
==
curr_frame
?
"=>"
:
" "
),
frameno
);
frames
[
theframe
].
cs
=
addr
->
seg
=
*
cs
;
frames
[
theframe
].
eip
=
addr
->
off
=
frame
.
ip
;
if
(
noisy
)
frames
[
theframe
].
frame
=
DEBUG_PrintAddressAndArgs
(
addr
,
32
,
frame
.
bp
,
TRUE
);
else
DEBUG_FindNearestSymbol
(
addr
,
TRUE
,
&
frames
[
theframe
].
frame
.
sym
,
frame
.
bp
,
&
frames
[
theframe
].
frame
.
list
);
if
(
noisy
)
DEBUG_Printf
(
DBG_CHN_MESG
,
" (ebp=%08lx)
\n
"
,
frame
.
bp
);
frames
[
theframe
].
ss
=
addr
->
seg
=
ss
;
frames
[
theframe
].
ebp
=
frame
.
bp
;
if
(
addr
->
off
==
frame
.
bp
)
return
FALSE
;
code
.
seg
=
*
cs
;
code
.
off
=
frame
.
ip
;
addr
->
off
=
frame
.
bp
;
DEBUG_ForceFrame
(
addr
,
&
code
,
frameno
,
32
,
noisy
,
NULL
);
if
(
addr
->
off
==
old_bp
)
return
FALSE
;
return
TRUE
;
}
#endif
...
...
@@ -218,11 +184,10 @@ void DEBUG_BackTrace(BOOL noisy)
if
(
noisy
)
DEBUG_Printf
(
DBG_CHN_MESG
,
"Backtrace:
\n
"
);
nframe
=
1
;
nframe
=
0
;
if
(
frames
)
DBG_free
(
frames
);
frames
=
(
struct
bt_info
*
)
DBG_alloc
(
sizeof
(
struct
bt_info
)
);
if
(
noisy
)
DEBUG_Printf
(
DBG_CHN_MESG
,
"%s%d "
,(
curr_frame
==
0
?
"=>"
:
" "
),
frameno
);
/* frames = (struct bt_info *) DBG_alloc( sizeof(struct bt_info) ); */
frames
=
NULL
;
if
(
DEBUG_IsSelectorSystem
(
ss
))
ss
=
0
;
if
(
DEBUG_IsSelectorSystem
(
cs
))
cs
=
0
;
...
...
@@ -231,29 +196,29 @@ void DEBUG_BackTrace(BOOL noisy)
switch
(
DEBUG_GetSelectorType
(
ss
))
{
case
32
:
frames
[
0
].
cs
=
addr
.
seg
=
cs
;
frames
[
0
].
eip
=
addr
.
off
=
DEBUG_context
.
Eip
;
if
(
noisy
)
frames
[
0
].
frame
=
DEBUG_PrintAddress
(
&
addr
,
32
,
TRUE
);
else
DEBUG_FindNearestSymbol
(
&
addr
,
TRUE
,
&
frames
[
0
].
frame
.
sym
,
0
,
&
frames
[
0
].
frame
.
list
);
frames
[
0
].
ss
=
addr
.
seg
=
ss
;
frames
[
0
].
ebp
=
addr
.
off
=
DEBUG_context
.
Ebp
;
if
(
noisy
)
DEBUG_Printf
(
DBG_CHN_MESG
,
" (ebp=%08x)
\n
"
,
frames
[
0
].
ebp
);
code
.
seg
=
cs
;
code
.
off
=
DEBUG_context
.
Eip
;
addr
.
seg
=
ss
;
addr
.
off
=
DEBUG_context
.
Ebp
;
DEBUG_ForceFrame
(
&
addr
,
&
code
,
frameno
,
32
,
noisy
,
NULL
);
if
(
!
(
code
.
seg
||
code
.
off
))
{
/* trying to execute a null pointer... yuck...
* if it was a call to null, the return EIP should be
* available at SS:ESP, so let's try to retrieve it */
tmp
.
seg
=
ss
;
tmp
.
off
=
DEBUG_context
.
Esp
;
if
(
DEBUG_READ_MEM
(
DEBUG_ToLinear
(
&
tmp
),
&
code
.
off
,
sizeof
(
code
.
off
)))
{
DEBUG_ForceFrame
(
&
addr
,
&
code
,
++
frameno
,
32
,
noisy
,
", null call assumed"
);
}
}
is16
=
FALSE
;
break
;
case
16
:
frames
[
0
].
cs
=
addr
.
seg
=
cs
;
frames
[
0
].
eip
=
addr
.
off
=
LOWORD
(
DEBUG_context
.
Eip
);
if
(
noisy
)
frames
[
0
].
frame
=
DEBUG_PrintAddress
(
&
addr
,
16
,
TRUE
);
else
DEBUG_FindNearestSymbol
(
&
addr
,
TRUE
,
&
frames
[
0
].
frame
.
sym
,
0
,
&
frames
[
0
].
frame
.
list
);
frames
[
0
].
ss
=
addr
.
seg
=
ss
;
frames
[
0
].
ebp
=
addr
.
off
=
LOWORD
(
DEBUG_context
.
Ebp
);
if
(
noisy
)
DEBUG_Printf
(
DBG_CHN_MESG
,
" (bp=%04x)
\n
"
,
frames
[
0
].
ebp
);
code
.
seg
=
cs
;
code
.
off
=
LOWORD
(
DEBUG_context
.
Eip
);
addr
.
seg
=
ss
;
addr
.
off
=
LOWORD
(
DEBUG_context
.
Ebp
);
DEBUG_ForceFrame
(
&
addr
,
&
code
,
frameno
,
16
,
noisy
,
NULL
);
is16
=
TRUE
;
break
;
default:
...
...
@@ -317,7 +282,7 @@ void DEBUG_BackTrace(BOOL noisy)
cs
=
0
;
addr
.
seg
=
0
;
addr
.
off
=
frame32
.
ebp
;
DEBUG_ForceFrame
(
&
addr
,
&
code
,
++
frameno
,
32
,
noisy
);
DEBUG_ForceFrame
(
&
addr
,
&
code
,
++
frameno
,
32
,
noisy
,
NULL
);
next_switch
=
cur_switch
;
tmp
.
seg
=
SELECTOROF
(
next_switch
);
...
...
@@ -351,7 +316,7 @@ void DEBUG_BackTrace(BOOL noisy)
cs
=
frame16
.
cs
;
addr
.
seg
=
SELECTOROF
(
next_switch
);
addr
.
off
=
frame16
.
bp
;
DEBUG_ForceFrame
(
&
addr
,
&
code
,
++
frameno
,
16
,
noisy
);
DEBUG_ForceFrame
(
&
addr
,
&
code
,
++
frameno
,
16
,
noisy
,
NULL
);
next_switch
=
cur_switch
;
if
(
!
DEBUG_READ_MEM
((
void
*
)
next_switch
,
&
frame32
,
sizeof
(
STACK32FRAME
)))
{
...
...
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