Module: wine Branch: master Commit: f4ac9b35c2c587919be6c3539dfdd833e200e777 URL: https://gitlab.winehq.org/wine/wine/-/commit/f4ac9b35c2c587919be6c3539dfdd83...
Author: Alexandre Julliard julliard@winehq.org Date: Fri Feb 16 13:06:31 2024 +0100
ntdll: Implement EC_CONTEXT unwinding operation on ARM64.
---
dlls/ntdll/tests/exception.c | 38 ++++++++++++++++++++++++++++++++++++++ dlls/ntdll/unwind.c | 4 ++++ 2 files changed, 42 insertions(+)
diff --git a/dlls/ntdll/tests/exception.c b/dlls/ntdll/tests/exception.c index a4f1a706c3f..41bf0a2d273 100644 --- a/dlls/ntdll/tests/exception.c +++ b/dlls/ntdll/tests/exception.c @@ -8096,6 +8096,7 @@ static void test_collided_unwind(void) #define UWOP_TRAP_FRAME 0xE8 #define UWOP_MACHINE_FRAME 0xE9 #define UWOP_CONTEXT 0xEA +#define UWOP_EC_CONTEXT 0xEB #define UWOP_CLEAR_UNWOUND_TO_CALL 0xEC
struct results @@ -8969,6 +8970,42 @@ static void test_virtual_unwind(void) { 0x14, 0x00, 0, 0x08, 0x020, TRUE, { {x29, 0x00}, {lr, 0x08}, {x19,0x10}, {x20,0x18}, {-1,-1} }}, };
+ static const BYTE function_16[] = + { + 0xff, 0x43, 0x00, 0xd1, /* 00: sub sp, sp, #16 */ + 0x1f, 0x20, 0x03, 0xd5, /* 04: nop */ + 0xff, 0x43, 0x00, 0xd1, /* 08: sub sp, sp, #16 */ + 0x1f, 0x20, 0x03, 0xd5, /* 0c: nop */ + 0xc0, 0x03, 0x5f, 0xd6, /* 10: ret */ + }; + + static const DWORD unwind_info_16_header = + (sizeof(function_16)/4) | /* function length */ + (0 << 20) | /* X */ + (0 << 21) | /* E */ + (0 << 22) | /* epilog */ + (1 << 27); /* codes */ + + static const BYTE unwind_info_16[] = + { + DW(unwind_info_16_header), + + UWOP_ALLOC_SMALL(16), /* sub sp, sp, #16 */ + UWOP_EC_CONTEXT, + UWOP_ALLOC_SMALL(16), /* sub sp, sp, #16 */ + UWOP_END, + }; + + static const struct results results_16[] = + { + /* offset fp handler pc frame offset registers */ + { 0x00, 0x00, 0, ORIG_LR, 0x010, TRUE, { {-1,-1} }}, + { 0x04, 0x00, 0 , 0x00f8, 0x0a8, FALSE, { {x0, 0x80}, {x1, 0x88}, {x2, 0xb8}, {x3, 0xc0}, {x4, 0xc8}, {x5, 0xd0}, {x6, 0x130}, {x7, 0x140}, {x8, 0x78}, {x9, 0x150}, {x10, 0x160}, {x11, 0x170}, {x12, 0x180}, {x13, 0}, {x14, 0}, {x15, 0x190}, {x16, 0x0158014801380128}, {x17, 0x0198018801780168}, {x18, 0}, {x19, 0xd8}, {x20, 0xe0}, {x21, 0xe8}, {x22, 0x0f0}, {x23, 0}, {x24, 0}, {x25, 0xa8}, {x26, 0xb0}, {x27, 0x90}, {x28, 0}, {x29, 0xa0}, {lr, 0x120}, {d0, 0x1a0}, {d1, 0x1b0}, {d2, 0x1c0}, {d3, 0x1d0}, {d4, 0x1e0}, {d5, 0x1f0}, {d6, 0x200}, {d7, 0x210}, {d8, 0x220}, {d9, 0x230}, {d10, 0x240}, {d11, 0x250}, {d12, 0x260}, {d13, 0x270}, {d14, 0x280}, {d15, 0x290}, {-1,-1} }}, + { 0x08, 0x00, 0 , 0x0108, 0x0b8, FALSE, { {x0, 0x90}, {x1, 0x98}, {x2, 0xc8}, {x3, 0xd0}, {x4, 0xd8}, {x5, 0xe0}, {x6, 0x140}, {x7, 0x150}, {x8, 0x88}, {x9, 0x160}, {x10, 0x170}, {x11, 0x180}, {x12, 0x190}, {x13, 0}, {x14, 0}, {x15, 0x1a0}, {x16, 0x0168015801480138}, {x17, 0x01a8019801880178}, {x18, 0}, {x19, 0xe8}, {x20, 0xf0}, {x21, 0xf8}, {x22, 0x100}, {x23, 0}, {x24, 0}, {x25, 0xb8}, {x26, 0xc0}, {x27, 0xa0}, {x28, 0}, {x29, 0xb0}, {lr, 0x130}, {d0, 0x1b0}, {d1, 0x1c0}, {d2, 0x1d0}, {d3, 0x1e0}, {d4, 0x1f0}, {d5, 0x200}, {d6, 0x210}, {d7, 0x220}, {d8, 0x230}, {d9, 0x240}, {d10, 0x250}, {d11, 0x260}, {d12, 0x270}, {d13, 0x280}, {d14, 0x290}, {d15, 0x2a0}, {-1,-1} }}, + { 0x0c, 0x00, 0 , 0x0108, 0x0b8, FALSE, { {x0, 0x90}, {x1, 0x98}, {x2, 0xc8}, {x3, 0xd0}, {x4, 0xd8}, {x5, 0xe0}, {x6, 0x140}, {x7, 0x150}, {x8, 0x88}, {x9, 0x160}, {x10, 0x170}, {x11, 0x180}, {x12, 0x190}, {x13, 0}, {x14, 0}, {x15, 0x1a0}, {x16, 0x0168015801480138}, {x17, 0x01a8019801880178}, {x18, 0}, {x19, 0xe8}, {x20, 0xf0}, {x21, 0xf8}, {x22, 0x100}, {x23, 0}, {x24, 0}, {x25, 0xb8}, {x26, 0xc0}, {x27, 0xa0}, {x28, 0}, {x29, 0xb0}, {lr, 0x130}, {d0, 0x1b0}, {d1, 0x1c0}, {d2, 0x1d0}, {d3, 0x1e0}, {d4, 0x1f0}, {d5, 0x200}, {d6, 0x210}, {d7, 0x220}, {d8, 0x230}, {d9, 0x240}, {d10, 0x250}, {d11, 0x260}, {d12, 0x270}, {d13, 0x280}, {d14, 0x290}, {d15, 0x2a0}, {-1,-1} }}, + { 0x10, 0x00, 0 , 0x0108, 0x0b8, FALSE, { {x0, 0x90}, {x1, 0x98}, {x2, 0xc8}, {x3, 0xd0}, {x4, 0xd8}, {x5, 0xe0}, {x6, 0x140}, {x7, 0x150}, {x8, 0x88}, {x9, 0x160}, {x10, 0x170}, {x11, 0x180}, {x12, 0x190}, {x13, 0}, {x14, 0}, {x15, 0x1a0}, {x16, 0x0168015801480138}, {x17, 0x01a8019801880178}, {x18, 0}, {x19, 0xe8}, {x20, 0xf0}, {x21, 0xf8}, {x22, 0x100}, {x23, 0}, {x24, 0}, {x25, 0xb8}, {x26, 0xc0}, {x27, 0xa0}, {x28, 0}, {x29, 0xb0}, {lr, 0x130}, {d0, 0x1b0}, {d1, 0x1c0}, {d2, 0x1d0}, {d3, 0x1e0}, {d4, 0x1f0}, {d5, 0x200}, {d6, 0x210}, {d7, 0x220}, {d8, 0x230}, {d9, 0x240}, {d10, 0x250}, {d11, 0x260}, {d12, 0x270}, {d13, 0x280}, {d14, 0x290}, {d15, 0x2a0}, {-1,-1} }}, + }; + static const struct unwind_test tests[] = { #define TEST(func, unwind, unwind_packed, results) \ @@ -8989,6 +9026,7 @@ static void test_virtual_unwind(void) TEST(function_13, unwind_info_13, 1, results_13), TEST(function_14, unwind_info_14, 0, results_14), TEST(function_15, unwind_info_15, 0, results_15), + TEST(function_16, unwind_info_16, 0, results_16), #undef TEST }; unsigned int i; diff --git a/dlls/ntdll/unwind.c b/dlls/ntdll/unwind.c index d6e86dd717a..9e50e0fd67b 100644 --- a/dlls/ntdll/unwind.c +++ b/dlls/ntdll/unwind.c @@ -471,6 +471,10 @@ static void process_unwind_codes( BYTE *ptr, BYTE *end, ARM64_NT_CONTEXT *contex { memcpy( context, (DWORD64 *)context->Sp, sizeof(CONTEXT) ); } + else if (*ptr == 0xeb) /* MSFT_OP_EC_CONTEXT */ + { + context_x64_to_arm( context, (ARM64EC_NT_CONTEXT *)context->Sp ); + } else if (*ptr == 0xfc) /* pac_sign_lr */ { do_pac_auth( context );