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f1b67888 YQ |
1 | /* Copyright (C) 1999-2015 Free Software Foundation, Inc. |
2 | ||
3 | This file is part of GDB. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include "defs.h" | |
19 | ||
20 | #include "regcache.h" | |
21 | #include "arm-tdep.h" | |
22 | #include "arm-linux-tdep.h" | |
23 | ||
24 | #include "aarch32-linux-nat.h" | |
25 | ||
26 | /* Supply GP registers contents, stored in REGS, to REGCACHE. ARM_APCS_32 | |
27 | is true if the 32-bit mode is in use, otherwise, it is false. */ | |
28 | ||
29 | void | |
30 | aarch32_gp_regcache_supply (struct regcache *regcache, uint32_t *regs, | |
31 | int arm_apcs_32) | |
32 | { | |
33 | int regno; | |
34 | ||
35 | for (regno = ARM_A1_REGNUM; regno < ARM_PC_REGNUM; regno++) | |
36 | regcache_raw_supply (regcache, regno, ®s[regno]); | |
37 | ||
38 | if (arm_apcs_32) | |
39 | regcache_raw_supply (regcache, ARM_PS_REGNUM, ®s[ARM_CPSR_GREGNUM]); | |
40 | else | |
41 | regcache_raw_supply (regcache, ARM_PS_REGNUM, ®s[ARM_PC_REGNUM]); | |
42 | ||
43 | regs[ARM_PC_REGNUM] = gdbarch_addr_bits_remove | |
44 | (get_regcache_arch (regcache), regs[ARM_PC_REGNUM]); | |
45 | regcache_raw_supply (regcache, ARM_PC_REGNUM, ®s[ARM_PC_REGNUM]); | |
46 | } | |
47 | ||
48 | /* Collect GP registers from REGCACHE to buffer REGS. ARM_APCS_32 is | |
49 | true if the 32-bit mode is in use, otherwise, it is false. */ | |
50 | ||
51 | void | |
52 | aarch32_gp_regcache_collect (const struct regcache *regcache, uint32_t *regs, | |
53 | int arm_apcs_32) | |
54 | { | |
55 | int regno; | |
56 | ||
57 | for (regno = ARM_A1_REGNUM; regno <= ARM_PC_REGNUM; regno++) | |
58 | { | |
59 | if (REG_VALID == regcache_register_status (regcache, regno)) | |
60 | regcache_raw_collect (regcache, regno, ®s[regno]); | |
61 | } | |
62 | ||
63 | if (arm_apcs_32 | |
64 | && REG_VALID == regcache_register_status (regcache, ARM_PS_REGNUM)) | |
65 | regcache_raw_collect (regcache, ARM_PS_REGNUM, | |
66 | ®s[ARM_CPSR_GREGNUM]); | |
67 | } | |
68 | ||
69 | /* Supply VFP registers contents, stored in REGS, to REGCACHE. | |
70 | VFP_REGISTER_COUNT is the number of VFP registers. */ | |
71 | ||
72 | void | |
73 | aarch32_vfp_regcache_supply (struct regcache *regcache, gdb_byte *regs, | |
74 | const int vfp_register_count) | |
75 | { | |
76 | int regno; | |
77 | ||
78 | for (regno = 0; regno < vfp_register_count; regno++) | |
79 | regcache_raw_supply (regcache, regno + ARM_D0_REGNUM, | |
80 | regs + regno * 8); | |
81 | ||
82 | regcache_raw_supply (regcache, ARM_FPSCR_REGNUM, | |
83 | regs + 32 * 8); | |
84 | } | |
85 | ||
86 | /* Collect VFP registers from REGCACHE to buffer REGS. | |
87 | VFP_REGISTER_COUNT is the number VFP registers. */ | |
88 | ||
89 | void | |
90 | aarch32_vfp_regcache_collect (const struct regcache *regcache, gdb_byte *regs, | |
91 | const int vfp_register_count) | |
92 | { | |
93 | int regno; | |
94 | ||
95 | for (regno = 0; regno < vfp_register_count; regno++) | |
96 | regcache_raw_collect (regcache, regno + ARM_D0_REGNUM, regs + regno * 8); | |
97 | ||
98 | regcache_raw_collect (regcache, ARM_FPSCR_REGNUM, regs + 32 * 8); | |
99 | } |