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| author | Hannes Domani <ssbssa@yahoo.de> | 2020-01-26 22:04:04 +0100 |
|---|---|---|
| committer | Hannes Domani <ssbssa@yahoo.de> | 2020-03-04 21:15:20 +0100 |
| commit | 46f9f93119daaa8eceb7233a17759e10e858c9fd (patch) | |
| tree | 7a2dcb557732eab4a173d0d2e336a1eb071be521 /gdb/i386-windows-nat.c | |
| parent | 749479c8d3b63c9075d2fabf4b87b1f7109608b6 (diff) | |
| download | gdb-46f9f93119daaa8eceb7233a17759e10e858c9fd.zip gdb-46f9f93119daaa8eceb7233a17759e10e858c9fd.tar.gz gdb-46f9f93119daaa8eceb7233a17759e10e858c9fd.tar.bz2 | |
Implement debugging of WOW64 processes
For WOW64 processes, the Wow64* variants of SuspendThread,
GetThreadContext, SetThreadContext, and GetThreadSelectorEntry have to
be used instead.
And instead of EnumProcessModules, EnumProcessModulesEx with
LIST_MODULES_32BIT is necessary.
gdb/ChangeLog:
2020-03-04 Hannes Domani <ssbssa@yahoo.de>
* NEWS: Mention support for WOW64 processes.
* amd64-windows-nat.c (amd64_mappings): Rename and remove static.
(amd64_windows_segment_register_p): Remove static.
(_initialize_amd64_windows_nat): Update.
* configure.nat <windows> (NATDEPFILES): Add i386-windows-nat.o.
* i386-windows-nat.c (context_offset): Update.
(i386_mappings): Rename and remove static.
(i386_windows_segment_register_p): Remove static.
(_initialize_i386_windows_nat): Update.
* windows-nat.c (STATUS_WX86_BREAKPOINT): New macro.
(STATUS_WX86_SINGLE_STEP): New macro.
(EnumProcessModulesEx): New macro.
(Wow64SuspendThread): New macro.
(Wow64GetThreadContext): New macro.
(Wow64SetThreadContext): New macro.
(Wow64GetThreadSelectorEntry): New macro.
(windows_set_context_register_offsets): Add static.
(windows_set_segment_register_p): Likewise.
(windows_add_thread): Adapt for WOW64 processes.
(windows_fetch_one_register): Likewise.
(windows_nat_target::fetch_registers): Likewise.
(windows_store_one_register): Likewise.
(display_selector): Likewise.
(display_selectors): Likewise.
(handle_exception): Likewise.
(windows_continue): Likewise.
(windows_nat_target::resume): Likewise.
(windows_add_all_dlls): Likewise.
(do_initial_windows_stuff): Likewise.
(windows_nat_target::attach): Likewise.
(windows_get_exec_module_filename): Likewise.
(windows_nat_target::create_inferior): Likewise.
(windows_xfer_siginfo): Likewise.
(_initialize_loadable): Initialize Wow64SuspendThread,
Wow64GetThreadContext, Wow64SetThreadContext,
Wow64GetThreadSelectorEntry and EnumProcessModulesEx.
* windows-nat.h (windows_set_context_register_offsets):
Remove declaration.
(windows_set_segment_register_p): Likewise.
(i386_windows_segment_register_p): Add declaration.
(amd64_windows_segment_register_p): Likewise.
Diffstat (limited to 'gdb/i386-windows-nat.c')
| -rw-r--r-- | gdb/i386-windows-nat.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gdb/i386-windows-nat.c b/gdb/i386-windows-nat.c index 958c83e..3091fc3 100644 --- a/gdb/i386-windows-nat.c +++ b/gdb/i386-windows-nat.c @@ -22,8 +22,11 @@ #include <windows.h> -#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x)) -static const int mappings[] = +#ifdef __x86_64__ +#define CONTEXT WOW64_CONTEXT +#endif +#define context_offset(x) ((int)(size_t)&(((CONTEXT *)NULL)->x)) +const int i386_mappings[] = { context_offset (Eax), context_offset (Ecx), @@ -70,10 +73,11 @@ static const int mappings[] = context_offset (ExtendedRegisters[24]) }; #undef context_offset +#undef CONTEXT /* segment_register_p_ftype implementation for x86. */ -static int +int i386_windows_segment_register_p (int regnum) { return regnum >= I386_CS_REGNUM && regnum <= I386_GS_REGNUM; @@ -83,7 +87,7 @@ void _initialize_i386_windows_nat (); void _initialize_i386_windows_nat () { - windows_set_context_register_offsets (mappings); - windows_set_segment_register_p (i386_windows_segment_register_p); +#ifndef __x86_64__ x86_set_debug_register_length (4); +#endif } |