| //------------------------------------------------------------------------------------------------------- |
| // Copyright (C) Microsoft. All rights reserved. |
| // Licensed under the MIT license. See LICENSE.txt file in the project root for full license information. |
| //------------------------------------------------------------------------------------------------------- |
| //------------------------------------------------------------------------------ |
| // ARMNT Unwind codes |
| // |
| // 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 B3 B4 Opsize Explanation |
| //------------------------------------------------------------------------------ |
| |
| // 0 x x x x x x x | | | | 16 | add sp, sp, #X*4 |
| UNWIND_CODE( ALLOC_7B, 16, 0x00000000, 0x80000000, 1 ) |
| |
| // 1 0 L x x x x x | x x x x x x x x | | | 32 | pop {r0-r12, lr} (X=bitmask) |
| UNWIND_CODE( POP_BITMASK, 32, 0x80000000, 0xc0000000, 2 ) |
| |
| // 1 1 0 0 x x x x | | | | 16 | mov sp, rX (X=0-15) |
| UNWIND_CODE( MOV_SP, 16, 0xc0000000, 0xf0000000, 1 ) |
| |
| // 1 1 0 1 0 L x x | | | | 16 | pop {r4-rX, lr} (X=4-7) |
| UNWIND_CODE( POP_RANGE, 16, 0xd0000000, 0xf8000000, 1 ) |
| |
| // 1 1 0 1 1 L x x | | | | 32 | pop {r4-rX, lr} (X=8-11) |
| UNWIND_CODE( POP_RANGE, 32, 0xd8000000, 0xf8000000, 1 ) |
| |
| // 1 1 1 0 0 x x x | | | | 32 | vpop {d8-dX} (X=8-15) |
| UNWIND_CODE( VPOP, 32, 0xe0000000, 0xf8000000, 1 ) |
| |
| // 1 1 1 0 1 0 x x | x x x x x x x x | | | 32 | add sp, sp, #X*4 |
| UNWIND_CODE( ALLOC_10B, 32, 0xe8000000, 0xfc000000, 2 ) |
| |
| // 1 1 1 0 1 1 0 L | x x x x x x x x | | | 16 | pop {r0-r7,lr} (X=bitmask) |
| UNWIND_CODE( POP_BITMASK, 16, 0xec000000, 0xfe000000, 2 ) |
| |
| // 1 1 1 0 1 1 1 0 | 0 0 0 0 x x x x | | | 16 | Microsoft-specific |
| // reserved |
| |
| // 1 1 1 0 1 1 1 0 | x x x x y y y y | | | 16 | available (X = 1-15) |
| // reserved |
| |
| // 1 1 1 0 1 1 1 1 | 0 0 0 0 x x x x | | | 32 | ldr lr, [sp], #X*4 |
| UNWIND_CODE( POP_LR, 32, 0xef000000, 0xfff00000, 2 ) |
| |
| // 1 1 1 0 1 1 1 1 | x x x x y y y y | | | 32 | available (X = 1-15) |
| // reserved |
| |
| // 1 1 1 1 0 x x x | | | | -- | available (X = 0-4) |
| // reserved |
| |
| // 1 1 1 1 0 1 0 1 | s s s s e e e e | | | 32 | vpop {dS-dE} |
| UNWIND_CODE( VPOP_RANGE, 32, 0xf5000000, 0xff000000, 2 ) |
| |
| // 1 1 1 1 0 1 1 0 | s s s s e e e e | | | 32 | vpop {d(S+16)-d(E+16)} |
| UNWIND_CODE( VPOP_HIRANGE, 32, 0xf6000000, 0xff000000, 2 ) |
| |
| // 1 1 1 1 0 1 1 1 | x x x x x x x x | x | | 16 | add sp, sp, #X*4 |
| UNWIND_CODE( ALLOC_16B, 16, 0xf7000000, 0xff000000, 3 ) |
| |
| // 1 1 1 1 1 0 0 0 | x x x x x x x x | x | x | 16 | add sp, sp, #X*4 |
| UNWIND_CODE( ALLOC_24B, 16, 0xf8000000, 0xff000000, 4 ) |
| |
| // 1 1 1 1 1 0 0 1 | x x x x x x x x | x | | 32 | add sp, sp, #X*4 |
| UNWIND_CODE( ALLOC_16B, 32, 0xf9000000, 0xff000000, 3 ) |
| |
| // 1 1 1 1 1 0 1 0 | x x x x x x x x | x | x | 32 | add sp, sp, #X*4 |
| UNWIND_CODE( ALLOC_24B, 32, 0xfa000000, 0xff000000, 4 ) |
| |
| // 1 1 1 1 1 0 1 1 | | | | 16 | 16bit nop |
| UNWIND_CODE( NOP, 16, 0xfb000000, 0xff000000, 1 ) |
| |
| // 1 1 1 1 1 1 0 0 | | | | 32 | 32bit nop |
| UNWIND_CODE( NOP, 32, 0xfc000000, 0xff000000, 1 ) |
| |
| // 1 1 1 1 1 1 0 1 | | | | 16 | end + 16bit nop in epilogue |
| UNWIND_CODE( END_EX, 16, 0xfd000000, 0xff000000, 1 ) |
| |
| // 1 1 1 1 1 1 1 0 | | | | 32 | end + 32bit nop in epilogue |
| UNWIND_CODE( END_EX, 32, 0xfe000000, 0xff000000, 1 ) |
| |
| // 1 1 1 1 1 1 1 1 | | | | 00 | end |
| UNWIND_CODE( END, 00, 0xff000000, 0xff000000, 1 ) |
| |
| // this is the last template |
| UNWIND_CODE( INVALID, 00, 0xbaadf00d, 0xffffffff, 0 ) |
| |
| |
