Module: wine Branch: master Commit: d80a662bc1ff4cc63e442156eba07052332b8757 URL: https://gitlab.winehq.org/wine/wine/-/commit/d80a662bc1ff4cc63e442156eba0705...
Author: Alexandre Julliard julliard@winehq.org Date: Tue Nov 21 15:49:44 2023 +0100
ntdll: Connect syscall frames across user callbacks on ARM.
---
dlls/ntdll/unix/dwarf.h | 36 +++++++++++++++++++++++++++++++++++ dlls/ntdll/unix/signal_arm.c | 45 +++++++++++++++++++++++++++++++++++++++----- 2 files changed, 76 insertions(+), 5 deletions(-)
diff --git a/dlls/ntdll/unix/dwarf.h b/dlls/ntdll/unix/dwarf.h index ef9eabb1d53..8deb845ca13 100644 --- a/dlls/ntdll/unix/dwarf.h +++ b/dlls/ntdll/unix/dwarf.h @@ -1048,6 +1048,42 @@ static void apply_frame_state( CONTEXT *context, struct frame_state *state, #define DW_REG_r15 0x0f #define DW_REG_rip 0x10
+#elif defined(__arm__) + +#define DW_OP_r0 DW_OP_breg0 +#define DW_OP_r1 DW_OP_breg1 +#define DW_OP_r2 DW_OP_breg2 +#define DW_OP_r3 DW_OP_breg3 +#define DW_OP_r4 DW_OP_breg4 +#define DW_OP_r5 DW_OP_breg5 +#define DW_OP_r6 DW_OP_breg6 +#define DW_OP_r7 DW_OP_breg7 +#define DW_OP_r8 DW_OP_breg8 +#define DW_OP_r9 DW_OP_breg9 +#define DW_OP_r10 DW_OP_breg10 +#define DW_OP_r11 DW_OP_breg11 +#define DW_OP_r12 DW_OP_breg12 +#define DW_OP_sp DW_OP_breg13 +#define DW_OP_lr DW_OP_breg14 +#define DW_OP_pc DW_OP_breg15 + +#define DW_REG_r0 0 +#define DW_REG_r1 1 +#define DW_REG_r2 2 +#define DW_REG_r3 3 +#define DW_REG_r4 4 +#define DW_REG_r5 5 +#define DW_REG_r6 6 +#define DW_REG_r7 7 +#define DW_REG_r8 8 +#define DW_REG_r9 9 +#define DW_REG_r10 10 +#define DW_REG_r11 11 +#define DW_REG_r12 12 +#define DW_REG_sp 13 +#define DW_REG_lr 14 +#define DW_REG_pc 15 + #elif defined(__aarch64__)
#define DW_OP_x19 DW_OP_breg19 diff --git a/dlls/ntdll/unix/signal_arm.c b/dlls/ntdll/unix/signal_arm.c index 1f0a4fd84b1..b6f4636e3eb 100644 --- a/dlls/ntdll/unix/signal_arm.c +++ b/dlls/ntdll/unix/signal_arm.c @@ -70,6 +70,8 @@
WINE_DEFAULT_DEBUG_CHANNEL(seh);
+#define NTDLL_DWARF_H_NO_UNWINDER +#include "dwarf.h"
/*********************************************************************** * signal context platform-specific definitions @@ -1023,8 +1025,8 @@ __ASM_GLOBAL_FUNC( raise_func_trampoline, "push {r12,lr}\n\t" /* (Padding +) Pc in the original frame */ "ldr r3, [r1, #0x38]\n\t" /* context->Sp */ "push {r3}\n\t" /* Original Sp */ - __ASM_CFI(".cfi_escape 0x0f,0x03,0x7D,0x04,0x06\n\t") /* CFA, DW_OP_breg13 + 0x04, DW_OP_deref */ - __ASM_CFI(".cfi_escape 0x10,0x0e,0x02,0x7D,0x0c\n\t") /* LR, DW_OP_breg13 + 0x0c */ + __ASM_CFI_CFA_IS_AT1(sp, 0x04) + __ASM_CFI_REG_IS_AT1(lr, sp, 0x0c) __ASM_EHABI(".save {sp}\n\t") __ASM_EHABI(".pad #-12\n\t") __ASM_EHABI(".save {pc}\n\t") @@ -1158,10 +1160,21 @@ extern NTSTATUS call_user_mode_callback( ULONG id, void *args, ULONG len, void * ULONG *ret_len, void *func, TEB *teb ); __ASM_GLOBAL_FUNC( call_user_mode_callback, "push {r4-r12,lr}\n\t" + "add r7, sp, #0x28\n\t" /* syscall_cfa */ + __ASM_CFI(".cfi_def_cfa 7,0\n\t") + __ASM_CFI(".cfi_offset r4,-0x28\n\t") + __ASM_CFI(".cfi_offset r5,-0x24\n\t") + __ASM_CFI(".cfi_offset r6,-0x20\n\t") + __ASM_CFI(".cfi_offset r7,-0x1c\n\t") + __ASM_CFI(".cfi_offset r8,-0x18\n\t") + __ASM_CFI(".cfi_offset r9,-0x14\n\t") + __ASM_CFI(".cfi_offset r10,-0x10\n\t") + __ASM_CFI(".cfi_offset r11,-0x0c\n\t") + __ASM_CFI(".cfi_offset r12,-0x08\n\t") + __ASM_CFI(".cfi_offset lr,-0x04\n\t") "ldr ip, [sp, #0x2c]\n\t" /* func */ "ldr r4, [sp, #0x30]\n\t" /* teb */ "ldr r5, [r4]\n\t" /* teb->Tib.ExceptionList */ - "add r7, sp, #0x28\n\t" /* syscall_cfa */ "push {r3, r5}\n\t" #ifndef __SOFTFP__ "sub sp, sp, #0x90\n\t" @@ -1666,9 +1679,20 @@ __ASM_GLOBAL_FUNC( __wine_syscall_dispatcher, "vstm r0, {d0-d15}\n\t" #endif "mov r6, sp\n\t" + "mov r8, r1\n\t" /* switch to kernel stack */ "mov sp, r1\n\t" - "mov r8, r1\n\t" + __ASM_CFI_CFA_IS_AT2(r8, 0xd0, 0x00) /* frame->syscall_cfa */ + __ASM_CFI(".cfi_offset r4,-0x28\n\t") + __ASM_CFI(".cfi_offset r5,-0x24\n\t") + __ASM_CFI(".cfi_offset r6,-0x20\n\t") + __ASM_CFI(".cfi_offset r7,-0x1c\n\t") + __ASM_CFI(".cfi_offset r8,-0x18\n\t") + __ASM_CFI(".cfi_offset r9,-0x14\n\t") + __ASM_CFI(".cfi_offset r10,-0x10\n\t") + __ASM_CFI(".cfi_offset r11,-0x0c\n\t") + __ASM_CFI(".cfi_offset r12,-0x08\n\t") + __ASM_CFI(".cfi_offset lr,-0x04\n\t") "ldr r5, [r2, #0x1dc]\n\t" /* arm_thread_data()->syscall_table */ "ubfx r4, ip, #12, #2\n\t" /* syscall table number */ "bfc ip, #12, #20\n\t" /* syscall number */ @@ -1746,11 +1770,22 @@ __ASM_GLOBAL_FUNC( __wine_unix_call_dispatcher, "vstm r4, {d0-d15}\n\t" #endif "ldr ip, [r0, r2, lsl #2]\n\t" + "mov r8, r1\n\t" /* switch to kernel stack */ "mov sp, r1\n\t" + __ASM_CFI_CFA_IS_AT2(r8, 0xd0, 0x00) /* frame->syscall_cfa */ + __ASM_CFI(".cfi_offset r4,-0x28\n\t") + __ASM_CFI(".cfi_offset r5,-0x24\n\t") + __ASM_CFI(".cfi_offset r6,-0x20\n\t") + __ASM_CFI(".cfi_offset r7,-0x1c\n\t") + __ASM_CFI(".cfi_offset r8,-0x18\n\t") + __ASM_CFI(".cfi_offset r9,-0x14\n\t") + __ASM_CFI(".cfi_offset r10,-0x10\n\t") + __ASM_CFI(".cfi_offset r11,-0x0c\n\t") + __ASM_CFI(".cfi_offset r12,-0x08\n\t") + __ASM_CFI(".cfi_offset lr,-0x04\n\t") "mov r0, r3\n\t" /* args */ "blx ip\n" - "mov r8, sp\n\t" "ldr r1, [r8, #0x44]\n\t" /* frame->restore_flags */ "cbnz r1, 1f\n\t" /* switch to user stack */
-
Alexandre Julliard