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Reactos
1/*
2 * PROJECT: ReactOS Kernel
3 * LICENSE: BSD - See COPYING.ARM in the top level directory
4 * FILE: lib/rtl/arm/debug_asm.S
5 * PURPOSE: Cross-privilege Debugging and Exception Support for ARM
6 * PROGRAMMERS: ReactOS Portable Systems Group
7 */
8
9#include <ksarm.h>
10
11 TEXTAREA
12
13 LEAF_ENTRY DbgBreakPoint
14 __debugbreak
15 bx lr
16 LEAF_END DbgBreakPoint
17
18 LEAF_ENTRY DbgUserBreakPoint
19 __debugbreak
20 bx lr
21 LEAF_END DbgUserBreakPoint
22
23 LEAF_ENTRY DbgBreakPointWithStatus
24 ALTERNATE_ENTRY RtlpBreakWithStatusInstruction
25 __debugbreak
26 bx lr
27 LEAF_END
28
29 LEAF_ENTRY DebugService
30 __debugservice
31 //bkpt BREAKPOINT_PRINT // Could be prompt too, we check this later
32 bx lr
33 LEAF_END DebugService
34
35 LEAF_ENTRY DebugService2
36 //bkpt BREAKPOINT_LOAD_SYMBOLS // Could be unload too, we check this later
37 bx lr
38 LEAF_END DebugService2
39
40 LEAF_ENTRY RtlCaptureContext
41
42 // FIXME-PERF: Change to stmdb later
43 str r0, [a1, #CxR0]
44 str r1, [a1, #CxR1]
45 str r2, [a1, #CxR2]
46 str r3, [a1, #CxR3]
47 str r4, [a1, #CxR4]
48 str r5, [a1, #CxR5]
49 str r6, [a1, #CxR6]
50 str r7, [a1, #CxR7]
51 str r8, [a1, #CxR8]
52 str r9, [a1, #CxR9]
53 str r10, [a1, #CxR10]
54 str r11, [a1, #CxR11]
55 str r12, [a1, #CxR12]
56
57 str sp, [a1, #CxSp]
58 str lr, [a1, #CxLr]
59
60 /* Need to do this indirectly, since "str pc, [a1, #CxPc]" generates
61 unpredictable behavior (error A2193) */
62 mov ip, pc
63 str ip, [a1, #CxPc]
64 mrs ip, spsr
65 str ip, [a1, #CxCpsr]
66
67 // FIXME: Fpscr and remaining stuff
68
69 /* Set flags */
70 mov32 r0, #CONTEXT_FULL
71 str ip, [a1, #CxContextFlags]
72
73 /* Return */
74 bx lr
75 LEAF_END RtlCaptureContext
76
77 END
78/* EOF */