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Commit | Line | Data |
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3a58abaf AM |
1 | 2005-07-08 Jeff Johnston <jjohnstn@redhat.com> |
2 | ||
3 | * ia64-tdep.c (ia64_sigtramp_frame_prev_register): Build | |
4 | pseudo-registers the same as ia64_pseudo_register_read. | |
5 | ||
6 | 2008-04-16 Yi Zhan <yi.zhan@intel.com> | |
7 | ||
8 | * ia64-tdep.c (ia64_sigtramp_frame_prev_register): Fix an | |
9 | ISO C compliance compilation error. | |
10 | ||
11 | 2008-02-12 Jan Kratochvil <jan.kratochvil@redhat.com> | |
12 | ||
13 | Port to gdb-6.8.50.20081128, follow the upstream change: | |
14 | http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ia64-tdep.c.diff?cvsroot=src&r1=1.176&r2=1.177 | |
15 | ||
16 | Index: gdb-6.8.50.20081128/gdb/ia64-tdep.c | |
17 | =================================================================== | |
18 | --- gdb-6.8.50.20081128.orig/gdb/ia64-tdep.c 2008-11-26 06:27:48.000000000 +0100 | |
19 | +++ gdb-6.8.50.20081128/gdb/ia64-tdep.c 2008-12-02 19:04:32.000000000 +0100 | |
20 | @@ -2107,6 +2107,94 @@ ia64_sigtramp_frame_prev_register (struc | |
21 | return frame_unwind_got_constant (this_frame, regnum, pc); | |
22 | } | |
23 | ||
24 | + /* Red Hat patch begin. */ | |
25 | + else if (IA64_NAT0_REGNUM <= regnum && regnum <= IA64_NAT31_REGNUM) | |
26 | + { | |
27 | + /* NAT pseudo registers 0-31: get them from UNAT. | |
28 | + * "copied" from ia64_pseudo_register_read() */ | |
29 | + ULONGEST unatN_val; | |
30 | + ULONGEST unat; | |
31 | + read_memory (cache->saved_regs[IA64_UNAT_REGNUM], (char *) &unat, | |
32 | + register_size (current_gdbarch, IA64_UNAT_REGNUM)); | |
33 | + unatN_val = (unat & (1LL << (regnum - IA64_NAT0_REGNUM))) != 0; | |
34 | + return frame_unwind_got_constant (this_frame, regnum, unatN_val); | |
35 | + } | |
36 | + else if (IA64_NAT32_REGNUM <= regnum && regnum <= IA64_NAT127_REGNUM) | |
37 | + { | |
38 | + /* NAT pseudo registers 32-127. | |
39 | + * "copied" from ia64_pseudo_register_read() | |
40 | + * FIXME: Not currently tested -- cannot get the frame to include | |
41 | + * NAT32-NAT127. */ | |
42 | + ULONGEST bsp; | |
43 | + ULONGEST cfm; | |
44 | + ULONGEST natN_val = 0; | |
45 | + CORE_ADDR gr_addr = 0, nat_addr = 0; | |
46 | + | |
47 | + read_memory (cache->saved_regs[IA64_BSP_REGNUM], (char *) &bsp, | |
48 | + register_size (current_gdbarch, IA64_BSP_REGNUM)); | |
49 | + read_memory (cache->saved_regs[IA64_CFM_REGNUM], (char *) &cfm, | |
50 | + register_size (current_gdbarch, IA64_CFM_REGNUM)); | |
51 | + | |
52 | + /* The bsp points at the end of the register frame so we | |
53 | + subtract the size of frame from it to get start of register frame. */ | |
54 | + bsp = rse_address_add (bsp, -(cfm & 0x7f)); | |
55 | + | |
56 | + if ((cfm & 0x7f) > regnum - V32_REGNUM) | |
57 | + gr_addr = rse_address_add (bsp, (regnum - V32_REGNUM)); | |
58 | + | |
59 | + if (gr_addr != 0) | |
60 | + { | |
61 | + /* Compute address of nat collection bits */ | |
62 | + CORE_ADDR nat_collection; | |
63 | + int nat_bit; | |
64 | + nat_addr = gr_addr | 0x1f8; | |
65 | + /* If our nat collection address is bigger than bsp, we have to get | |
66 | + the nat collection from rnat. Otherwise, we fetch the nat | |
67 | + collection from the computed address. FIXME: Do not know if | |
68 | + RNAT can be not stored in the frame--being extra cautious. */ | |
69 | + if (nat_addr >= bsp) | |
70 | + { | |
71 | + nat_addr = cache->saved_regs[IA64_RNAT_REGNUM]; | |
72 | + if (nat_addr != 0) | |
73 | + read_memory (nat_addr, (char *) &nat_collection, | |
74 | + register_size (current_gdbarch, IA64_RNAT_REGNUM)); | |
75 | + } | |
76 | + else | |
77 | + nat_collection = read_memory_integer (nat_addr, 8); | |
78 | + if (nat_addr != 0) | |
79 | + { | |
80 | + nat_bit = (gr_addr >> 3) & 0x3f; | |
81 | + natN_val = (nat_collection >> nat_bit) & 1; | |
82 | + return frame_unwind_got_constant (this_frame, regnum, natN_val); | |
83 | + } | |
84 | + } | |
85 | + warning (_("ia64_sigtramp_frame_prev_register: unhandled register %d"), | |
86 | + regnum); | |
87 | + } | |
88 | + else if (regnum == VBOF_REGNUM) | |
89 | + { | |
90 | + /* BOF pseudo register. | |
91 | + * "copied" from ia64_pseudo_register_read() | |
92 | + * | |
93 | + * A virtual register frame start is provided for user convenience. | |
94 | + * It can be calculated as the bsp - sof (sizeof frame). */ | |
95 | + ULONGEST bsp; | |
96 | + ULONGEST cfm; | |
97 | + ULONGEST bof; | |
98 | + | |
99 | + read_memory (cache->saved_regs[IA64_BSP_REGNUM], (char *) &bsp, | |
100 | + register_size (current_gdbarch, IA64_BSP_REGNUM)); | |
101 | + read_memory (cache->saved_regs[IA64_CFM_REGNUM], (char *) &cfm, | |
102 | + register_size (current_gdbarch, IA64_CFM_REGNUM)); | |
103 | + | |
104 | + /* The bsp points at the end of the register frame so we | |
105 | + subtract the size of frame from it to get beginning of frame. */ | |
106 | + bof = rse_address_add (bsp, -(cfm & 0x7f)); | |
107 | + | |
108 | + return frame_unwind_got_constant (this_frame, regnum, bof); | |
109 | + } | |
110 | + /* Red Hat patch end. */ | |
111 | + | |
112 | else if ((regnum >= IA64_GR32_REGNUM && regnum <= IA64_GR127_REGNUM) | |
113 | || (regnum >= V32_REGNUM && regnum <= V127_REGNUM)) | |
114 | { | |
115 | @@ -2121,7 +2209,42 @@ ia64_sigtramp_frame_prev_register (struc | |
116 | return frame_unwind_got_constant (this_frame, regnum, 0); | |
117 | } | |
118 | ||
119 | - else /* All other registers not listed above. */ | |
120 | + /* Red Hat patch begin. */ | |
121 | + else if (VP0_REGNUM <= regnum && regnum <= VP63_REGNUM) | |
122 | + { | |
123 | + /* VP 0-63. | |
124 | + * "copied" from ia64_pseudo_register_read() | |
125 | + * | |
126 | + * FIXME: Not currently tested--cannot get the frame to include PR. */ | |
127 | + CORE_ADDR pr_addr = 0; | |
128 | + | |
129 | + pr_addr = cache->saved_regs[IA64_PR_REGNUM]; | |
130 | + if (pr_addr != 0) | |
131 | + { | |
132 | + ULONGEST pr; | |
133 | + ULONGEST cfm; | |
134 | + ULONGEST prN_val; | |
135 | + read_memory (pr_addr, (char *) &pr, | |
136 | + register_size (current_gdbarch, IA64_PR_REGNUM)); | |
137 | + read_memory (cache->saved_regs[IA64_CFM_REGNUM], (char *) &cfm, | |
138 | + register_size (current_gdbarch, IA64_CFM_REGNUM)); | |
139 | + | |
140 | + /* Get the register rename base for this frame and adjust the | |
141 | + * register name to take rotation into account. */ | |
142 | + if (VP16_REGNUM <= regnum && regnum <= VP63_REGNUM) | |
143 | + { | |
144 | + int rrb_pr = (cfm >> 32) & 0x3f; | |
145 | + regnum = VP16_REGNUM + ((regnum - VP16_REGNUM) + rrb_pr) % 48; | |
146 | + } | |
147 | + prN_val = (pr & (1LL << (regnum - VP0_REGNUM))) != 0; | |
148 | + return frame_unwind_got_constant (this_frame, regnum, prN_val); | |
149 | + } | |
150 | + warning (_("ia64_sigtramp_frame_prev_register: unhandled register %d"), | |
151 | + regnum); | |
152 | + } | |
153 | + /* Red Hat patch end. */ | |
154 | + | |
155 | + /* All other registers not listed above. */ | |
156 | { | |
157 | CORE_ADDR addr = cache->saved_regs[regnum]; | |
158 |