Eric Pouech : winedbg: Added a way to support differently selector information depending on current target .
Alexandre Julliard
julliard at winehq.org
Mon Jan 14 09:33:15 CST 2008
Module: wine
Branch: master
Commit: bce64150eb108ea6c32d1d023e7f214a1fee4d86
URL: http://source.winehq.org/git/wine.git/?a=commit;h=bce64150eb108ea6c32d1d023e7f214a1fee4d86
Author: Eric Pouech <eric.pouech at orange.fr>
Date: Sun Jan 13 17:02:55 2008 +0100
winedbg: Added a way to support differently selector information depending on current target.
---
programs/winedbg/be_i386.c | 4 ++--
programs/winedbg/debugger.h | 1 +
programs/winedbg/info.c | 2 +-
programs/winedbg/tgt_active.c | 1 +
programs/winedbg/tgt_minidump.c | 9 +++++++++
programs/winedbg/tgt_module.c | 6 ++++++
6 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/programs/winedbg/be_i386.c b/programs/winedbg/be_i386.c
index fe8b087..a4eb251 100644
--- a/programs/winedbg/be_i386.c
+++ b/programs/winedbg/be_i386.c
@@ -40,7 +40,7 @@ static ADDRESS_MODE get_selector_type(HANDLE hThread, const CONTEXT* ctx, WORD s
if (IS_VM86_MODE(ctx)) return AddrModeReal;
/* null or system selector */
if (!(sel & 4) || ((sel >> 3) < 17)) return AddrModeFlat;
- if (GetThreadSelectorEntry(hThread, sel, &le))
+ if (dbg_curr_process->process_io->get_selector(hThread, sel, &le))
return le.HighWord.Bits.Default_Big ? AddrMode1632 : AddrMode1616;
/* selector doesn't exist */
return -1;
@@ -59,7 +59,7 @@ static void* be_i386_linearize(HANDLE hThread, const ADDRESS64* addr)
return (void*)(DWORD)addr->Offset;
/* fall through */
case AddrMode1616:
- if (!GetThreadSelectorEntry(hThread, addr->Segment, &le)) return NULL;
+ if (!dbg_curr_process->process_io->get_selector(hThread, addr->Segment, &le)) return NULL;
return (void*)((le.HighWord.Bits.BaseHi << 24) +
(le.HighWord.Bits.BaseMid << 16) + le.BaseLow +
(DWORD)addr->Offset);
diff --git a/programs/winedbg/debugger.h b/programs/winedbg/debugger.h
index 556bc08..cb327fe 100644
--- a/programs/winedbg/debugger.h
+++ b/programs/winedbg/debugger.h
@@ -234,6 +234,7 @@ struct be_process_io
BOOL (*close_process)(struct dbg_process*, BOOL);
BOOL (WINAPI *read)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
BOOL (WINAPI *write)(HANDLE, void*, const void*, SIZE_T, SIZE_T*);
+ BOOL (WINAPI *get_selector)(HANDLE, DWORD, LDT_ENTRY*);
};
extern struct dbg_process* dbg_curr_process;
diff --git a/programs/winedbg/info.c b/programs/winedbg/info.c
index 2c56d8f..fe0292d 100644
--- a/programs/winedbg/info.c
+++ b/programs/winedbg/info.c
@@ -584,7 +584,7 @@ void info_win32_segments(DWORD start, int length)
for (i = start; i < start + length; i++)
{
- if (!GetThreadSelectorEntry(dbg_curr_thread->handle, (i << 3) | 7, &le))
+ if (!dbg_curr_process->process_io->get_selector(dbg_curr_thread->handle, (i << 3) | 7, &le))
continue;
if (le.HighWord.Bits.Type & 0x08)
diff --git a/programs/winedbg/tgt_active.c b/programs/winedbg/tgt_active.c
index f75f744..d334d17 100644
--- a/programs/winedbg/tgt_active.c
+++ b/programs/winedbg/tgt_active.c
@@ -984,4 +984,5 @@ static struct be_process_io be_process_active_io =
tgt_process_active_close_process,
ReadProcessMemory,
WriteProcessMemory,
+ GetThreadSelectorEntry,
};
diff --git a/programs/winedbg/tgt_minidump.c b/programs/winedbg/tgt_minidump.c
index 26da1e7..db0daf6 100644
--- a/programs/winedbg/tgt_minidump.c
+++ b/programs/winedbg/tgt_minidump.c
@@ -452,9 +452,18 @@ static BOOL tgt_process_minidump_close_process(struct dbg_process* pcs, BOOL kil
return TRUE;
}
+static BOOL WINAPI tgt_process_minidump_get_selector(HANDLE hThread, DWORD sel, LDT_ENTRY* le)
+{
+ /* so far, pretend all selectors are valid, and mapped to a 32bit flat address space */
+ memset(le, 0, sizeof(*le));
+ le->HighWord.Bits.Default_Big = 1;
+ return TRUE;
+}
+
static struct be_process_io be_process_minidump_io =
{
tgt_process_minidump_close_process,
tgt_process_minidump_read,
tgt_process_minidump_write,
+ tgt_process_minidump_get_selector,
};
diff --git a/programs/winedbg/tgt_module.c b/programs/winedbg/tgt_module.c
index 043d051..ced9d85 100644
--- a/programs/winedbg/tgt_module.c
+++ b/programs/winedbg/tgt_module.c
@@ -90,9 +90,15 @@ static BOOL tgt_process_module_close_process(struct dbg_process* pcs, BOOL kill)
return TRUE;
}
+static BOOL WINAPI tgt_process_module_get_selector(HANDLE hThread, DWORD sel, LDT_ENTRY* le)
+{
+ return FALSE;
+}
+
static struct be_process_io be_process_module_io =
{
tgt_process_module_close_process,
tgt_process_module_read,
tgt_process_module_write,
+ tgt_process_module_get_selector,
};
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