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4c85cbfa KR |
1 | /* BFD back-end for HP PA-RISC ELF files. |
2 | Copyright (C) 1990-1991 Free Software Foundation, Inc. | |
3 | ||
4 | Written by | |
e8f2240a | 5 | |
4c85cbfa KR |
6 | Center for Software Science |
7 | Department of Computer Science | |
8 | University of Utah | |
9 | ||
10 | This file is part of BFD, the Binary File Descriptor library. | |
11 | ||
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the Free Software | |
24 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
25 | ||
26 | #include "bfd.h" | |
27 | #include "sysdep.h" | |
28 | #include "libbfd.h" | |
29 | #include "obstack.h" | |
30 | #include "libelf.h" | |
31 | ||
4c85cbfa KR |
32 | /* ELF32/HPPA relocation support |
33 | ||
34 | This file contains ELF32/HPPA relocation support as specified | |
35 | in the Stratus FTX/Golf Object File Format (SED-1762) dated | |
36 | November 19, 1992. | |
37 | */ | |
38 | ||
39 | /* | |
40 | Written by: | |
e8f2240a | 41 | |
4c85cbfa KR |
42 | Center for Software Science |
43 | Department of Computer Science | |
44 | University of Utah | |
45 | */ | |
46 | ||
47 | #include "elf32-hppa.h" | |
d9ad93bc | 48 | #include "libhppa.h" |
e8f2240a | 49 | #include "aout/aout64.h" |
d9ad93bc | 50 | #include "hppa_stubs.h" |
4c85cbfa KR |
51 | |
52 | /* ELF/PA relocation howto entries */ | |
53 | ||
e8f2240a | 54 | static bfd_reloc_status_type hppa_elf_reloc (); |
4c85cbfa | 55 | |
d9ad93bc | 56 | static reloc_howto_type elf_hppa_howto_table[ELF_HOWTO_TABLE_SIZE] = |
4c85cbfa | 57 | { |
e8f2240a KR |
58 | /* 'bitpos' and 'abs' are obsolete */ |
59 | /* type rs sz bsz pcrel bpos abs ovrf sf name */ | |
60 | /* 9.3.4. Address relocation types */ | |
d9ad93bc KR |
61 | {R_HPPA_NONE, 0, 3, 19, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_NONE"}, |
62 | {R_HPPA_32, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_32"}, | |
63 | {R_HPPA_11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_11"}, | |
64 | {R_HPPA_14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_14"}, | |
65 | {R_HPPA_17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_17"}, | |
66 | {R_HPPA_L21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_L21"}, | |
67 | {R_HPPA_R11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_R11"}, | |
68 | {R_HPPA_R14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_R14"}, | |
69 | {R_HPPA_R17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_R17"}, | |
70 | {R_HPPA_LS21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_LS21"}, | |
71 | {R_HPPA_RS11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RS11"}, | |
72 | {R_HPPA_RS14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RS14"}, | |
73 | {R_HPPA_RS17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RS17"}, | |
74 | {R_HPPA_LD21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_LD21"}, | |
75 | {R_HPPA_RD11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RD11"}, | |
76 | {R_HPPA_RD14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RD14"}, | |
77 | {R_HPPA_RD17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RD17"}, | |
78 | {R_HPPA_LR21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_LR21"}, | |
79 | {R_HPPA_RR14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RR14"}, | |
80 | {R_HPPA_RR17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_RR17"}, | |
e8f2240a | 81 | /* 9.3.5. GOTOFF address relocation types */ |
d9ad93bc KR |
82 | {R_HPPA_GOTOFF_11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_11"}, |
83 | {R_HPPA_GOTOFF_14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_14"}, | |
84 | {R_HPPA_GOTOFF_L21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_L21"}, | |
85 | {R_HPPA_GOTOFF_R11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_R11"}, | |
86 | {R_HPPA_GOTOFF_R14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_R14"}, | |
87 | {R_HPPA_GOTOFF_LS21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_LS21"}, | |
88 | {R_HPPA_GOTOFF_RS11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_RS11"}, | |
89 | {R_HPPA_GOTOFF_RS14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_RS14"}, | |
90 | {R_HPPA_GOTOFF_LD21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_LD21"}, | |
91 | {R_HPPA_GOTOFF_RD11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_RD11"}, | |
92 | {R_HPPA_GOTOFF_RD14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_RD14"}, | |
93 | {R_HPPA_GOTOFF_LR21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_LR21"}, | |
94 | {R_HPPA_GOTOFF_RR14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_GOTOFF_RR14"}, | |
e8f2240a | 95 | /* 9.3.6. Absolute call relocation types */ |
d9ad93bc KR |
96 | {R_HPPA_ABS_CALL_11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_11"}, |
97 | {R_HPPA_ABS_CALL_14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_14"}, | |
98 | {R_HPPA_ABS_CALL_17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_17"}, | |
99 | {R_HPPA_ABS_CALL_L21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_L21"}, | |
100 | {R_HPPA_ABS_CALL_R11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_R11"}, | |
101 | {R_HPPA_ABS_CALL_R14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_R14"}, | |
102 | {R_HPPA_ABS_CALL_R17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_R17"}, | |
103 | {R_HPPA_ABS_CALL_LS21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_LS21"}, | |
104 | {R_HPPA_ABS_CALL_RS11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RS11"}, | |
105 | {R_HPPA_ABS_CALL_RS14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RS14"}, | |
106 | {R_HPPA_ABS_CALL_RS17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RS17"}, | |
107 | {R_HPPA_ABS_CALL_LD21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_LD21"}, | |
108 | {R_HPPA_ABS_CALL_RD11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RD11"}, | |
109 | {R_HPPA_ABS_CALL_RD14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RD14"}, | |
110 | {R_HPPA_ABS_CALL_RD17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RD17"}, | |
111 | {R_HPPA_ABS_CALL_LR21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_LR21"}, | |
112 | {R_HPPA_ABS_CALL_RR14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RR14"}, | |
113 | {R_HPPA_ABS_CALL_RR17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ABS_CALL_RR17"}, | |
e8f2240a | 114 | /* 9.3.7. PC-relative call relocation types */ |
d9ad93bc KR |
115 | {R_HPPA_PCREL_CALL_11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_11"}, |
116 | {R_HPPA_PCREL_CALL_14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_14"}, | |
117 | {R_HPPA_PCREL_CALL_17, 0, 3, 17, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_17"}, | |
118 | {R_HPPA_PCREL_CALL_12, 0, 3, 12, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_12"}, | |
119 | {R_HPPA_PCREL_CALL_L21, 0, 3, 21, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_L21"}, | |
120 | {R_HPPA_PCREL_CALL_R11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_R11"}, | |
121 | {R_HPPA_PCREL_CALL_R14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_R14"}, | |
122 | {R_HPPA_PCREL_CALL_R17, 0, 3, 17, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_R17"}, | |
123 | {R_HPPA_PCREL_CALL_LS21, 0, 3, 21, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_LS21"}, | |
124 | {R_HPPA_PCREL_CALL_RS11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RS11"}, | |
125 | {R_HPPA_PCREL_CALL_RS14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RS14"}, | |
126 | {R_HPPA_PCREL_CALL_RS17, 0, 3, 17, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RS17"}, | |
127 | {R_HPPA_PCREL_CALL_LD21, 0, 3, 21, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_LD21"}, | |
128 | {R_HPPA_PCREL_CALL_RD11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RD11"}, | |
129 | {R_HPPA_PCREL_CALL_RD14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RD14"}, | |
130 | {R_HPPA_PCREL_CALL_RD17, 0, 3, 17, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RD17"}, | |
131 | {R_HPPA_PCREL_CALL_LR21, 0, 3, 21, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_LR21"}, | |
132 | {R_HPPA_PCREL_CALL_RR14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RR14"}, | |
133 | {R_HPPA_PCREL_CALL_RR17, 0, 3, 17, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PCREL_CALL_RR17"}, | |
e8f2240a KR |
134 | |
135 | /* 9.3.8. Plabel relocation types */ | |
d9ad93bc KR |
136 | {R_HPPA_PLABEL_32, 0, 3, 32, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PLABEL_32"}, |
137 | {R_HPPA_PLABEL_11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PLABEL_11"}, | |
138 | {R_HPPA_PLABEL_14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PLABEL_14"}, | |
139 | {R_HPPA_PLABEL_L21, 0, 3, 21, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PLABEL_L21"}, | |
140 | {R_HPPA_PLABEL_R11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PLABEL_R11"}, | |
141 | {R_HPPA_PLABEL_R14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_PLABEL_R14"}, | |
e8f2240a KR |
142 | |
143 | /* 9.3.9. Data linkage table (DLT) relocation types */ | |
d9ad93bc KR |
144 | {R_HPPA_DLT_32, 0, 3, 32, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_DLT_32"}, |
145 | {R_HPPA_DLT_11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_DLT_11"}, | |
146 | {R_HPPA_DLT_14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_DLT_14"}, | |
147 | {R_HPPA_DLT_L21, 0, 3, 21, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_DLT_L21"}, | |
148 | {R_HPPA_DLT_R11, 0, 3, 11, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_DLT_R11"}, | |
149 | {R_HPPA_DLT_R14, 0, 3, 14, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_DLT_R14"}, | |
e8f2240a KR |
150 | |
151 | /* 9.3.10. Relocations for unwinder tables */ | |
d9ad93bc KR |
152 | {R_HPPA_UNWIND_ENTRY, 0, 3, 32, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_UNWIND_ENTRY"}, |
153 | {R_HPPA_UNWIND_ENTRIES, 0, 3, 32, true, 0, complain_overflow_signed, hppa_elf_reloc, "R_HPPA_UNWIND_ENTRIES"}, | |
e8f2240a KR |
154 | |
155 | /* 9.3.11. Relocation types for complex expressions */ | |
d9ad93bc KR |
156 | {R_HPPA_PUSH_CONST, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_PUSH_CONST"}, |
157 | {R_HPPA_PUSH_PC, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_PUSH_PC"}, | |
158 | {R_HPPA_PUSH_SYM, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_PUSH_SYM"}, | |
159 | {R_HPPA_PUSH_GOTOFF, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_PUSH_GOTOFF"}, | |
160 | {R_HPPA_PUSH_ABS_CALL, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_PUSH_ABS_CALL"}, | |
161 | {R_HPPA_PUSH_PCREL_CALL, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_PUSH_PCREL_CALL"}, | |
162 | {R_HPPA_PUSH_PLABEL, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_PUSH_PLABEL"}, | |
163 | {R_HPPA_MAX, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_MAX"}, | |
164 | {R_HPPA_MIN, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_MIN"}, | |
165 | {R_HPPA_ADD, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ADD"}, | |
166 | {R_HPPA_SUB, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_SUB"}, | |
167 | {R_HPPA_MULT, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_MULT"}, | |
168 | {R_HPPA_DIV, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_DIV"}, | |
169 | {R_HPPA_MOD, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_MOD"}, | |
170 | {R_HPPA_AND, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_AND"}, | |
171 | {R_HPPA_OR, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_OR"}, | |
172 | {R_HPPA_XOR, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_XOR"}, | |
173 | {R_HPPA_NOT, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_NOT"}, | |
174 | {R_HPPA_LSHIFT, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_LSHIFT"}, | |
175 | {R_HPPA_ARITH_RSHIFT, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_ARITH_RSHIFT"}, | |
176 | {R_HPPA_LOGIC_RSHIFT, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_LOGIC_RSHIFT"}, | |
177 | {R_HPPA_EXPR_F, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_L"}, | |
178 | {R_HPPA_EXPR_L, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_L"}, | |
179 | {R_HPPA_EXPR_R, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_R"}, | |
180 | {R_HPPA_EXPR_LS, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_LS"}, | |
181 | {R_HPPA_EXPR_RS, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_RS"}, | |
182 | {R_HPPA_EXPR_LD, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_LD"}, | |
183 | {R_HPPA_EXPR_RD, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_RD"}, | |
184 | {R_HPPA_EXPR_LR, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_LR"}, | |
185 | {R_HPPA_EXPR_RR, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_RR"}, | |
186 | ||
187 | {R_HPPA_EXPR_32, 0, 3, 32, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_32"}, | |
188 | {R_HPPA_EXPR_21, 0, 3, 21, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_21"}, | |
189 | {R_HPPA_EXPR_11, 0, 3, 11, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_11"}, | |
190 | {R_HPPA_EXPR_14, 0, 3, 14, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_14"}, | |
191 | {R_HPPA_EXPR_17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_17"}, | |
192 | {R_HPPA_EXPR_12, 0, 3, 12, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_EXPR_12"}, | |
193 | {R_HPPA_STUB_CALL_17, 0, 3, 17, false, 0, complain_overflow_bitfield, hppa_elf_reloc, "R_HPPA_STUB_CALL_17"}, | |
194 | {R_HPPA_UNIMPLEMENTED, 0, 0, 0, false, 0, complain_overflow_dont, NULL, "R_HPPA_UNIMPLEMENTED"}, | |
e8f2240a | 195 | }; |
4c85cbfa | 196 | |
d9ad93bc KR |
197 | static symext_chainS *symext_rootP; |
198 | static symext_chainS *symext_lastP; | |
4c85cbfa | 199 | |
e8f2240a KR |
200 | static unsigned long |
201 | DEFUN (hppa_elf_rebuild_insn, (abfd, insn, value, r_type, r_field, r_format), | |
202 | bfd * abfd AND | |
203 | unsigned long insn AND | |
204 | unsigned long value AND | |
205 | unsigned short r_type AND | |
206 | unsigned short r_field AND | |
207 | unsigned short r_format) | |
208 | { | |
209 | unsigned long const_part; /* part of the instruction that does not change */ | |
210 | unsigned long rebuilt_part; | |
211 | ||
212 | switch (r_format) | |
213 | { | |
214 | case 11: | |
215 | { | |
216 | unsigned w1, w; | |
217 | ||
218 | const_part = insn & 0xffffe002; | |
219 | dis_assemble_12 (value, &w1, &w); | |
220 | rebuilt_part = (w1 << 2) | w; | |
221 | return const_part | rebuilt_part; | |
222 | } | |
223 | ||
224 | case 12: | |
225 | { | |
226 | unsigned w1, w; | |
227 | ||
228 | const_part = insn & 0xffffe002; | |
229 | dis_assemble_12 (value, &w1, &w); | |
230 | rebuilt_part = (w1 << 2) | w; | |
231 | return const_part | rebuilt_part; | |
232 | } | |
233 | ||
234 | case 14: | |
235 | const_part = insn & 0xffffc000; | |
236 | low_sign_unext (value, 14, &rebuilt_part); | |
237 | return const_part | rebuilt_part; | |
238 | ||
239 | case 17: | |
240 | { | |
241 | unsigned w1, w2, w; | |
242 | ||
243 | const_part = insn & 0xffe0e002; | |
244 | dis_assemble_17 (value, &w1, &w2, &w); | |
245 | rebuilt_part = (w2 << 2) | (w1 << 16) | w; | |
246 | return const_part | rebuilt_part; | |
247 | } | |
248 | ||
249 | case 21: | |
250 | const_part = insn & 0xffe00000; | |
251 | dis_assemble_21 (value, &rebuilt_part); | |
252 | return const_part | rebuilt_part; | |
253 | ||
254 | case 32: | |
255 | const_part = 0; | |
256 | return value; | |
257 | ||
258 | default: | |
259 | fprintf (stderr, "Relocation problem : "); | |
260 | fprintf (stderr, | |
261 | "Unrecognized reloc type %d (fmt=%d,fld=%d), in module %s\n", | |
262 | r_type, r_format, r_field, abfd->filename); | |
263 | } | |
264 | return insn; | |
4c85cbfa KR |
265 | } |
266 | ||
267 | static unsigned long | |
e8f2240a KR |
268 | DEFUN (hppa_elf_relocate_insn, |
269 | (abfd, input_sect, | |
270 | insn, address, symp, sym_value, r_addend, | |
271 | r_type, r_format, r_field, pcrel), | |
272 | bfd * abfd AND | |
273 | asection * input_sect AND | |
274 | unsigned long insn AND | |
275 | unsigned long address AND | |
276 | asymbol * symp AND | |
277 | long sym_value AND | |
278 | long r_addend AND | |
279 | unsigned short r_type AND | |
280 | unsigned short r_format AND | |
281 | unsigned short r_field AND | |
282 | unsigned char pcrel) | |
4c85cbfa | 283 | { |
e8f2240a KR |
284 | unsigned char opcode = get_opcode (insn); |
285 | long constant_value; | |
286 | unsigned arg_reloc; | |
287 | ||
288 | switch (opcode) | |
289 | { | |
290 | case LDO: | |
291 | case LDB: | |
292 | case LDH: | |
293 | case LDW: | |
294 | case LDWM: | |
295 | case STB: | |
296 | case STH: | |
297 | case STW: | |
298 | case STWM: | |
299 | constant_value = ELF32_HPPA_R_CONSTANT (r_addend); | |
300 | BFD_ASSERT (r_format == 14); | |
301 | ||
302 | if (pcrel) | |
303 | sym_value -= address; | |
304 | sym_value = hppa_field_adjust (sym_value, constant_value, r_field); | |
d9ad93bc | 305 | return hppa_elf_rebuild_insn (abfd, insn, sym_value, r_type, r_field, r_format); |
e8f2240a KR |
306 | |
307 | case COMICLR: | |
308 | case SUBI: /* case SUBIO: */ | |
309 | case ADDIT: /* case ADDITO: */ | |
310 | case ADDI: /* case ADDIO: */ | |
311 | BFD_ASSERT (r_format == 11); | |
312 | ||
313 | constant_value = ((insn & 0x1) << 10) | ((insn & 0xffe) >> 1); | |
314 | sym_value = hppa_field_adjust (sym_value, constant_value, r_field); | |
315 | return hppa_elf_rebuild_insn (abfd, insn, sym_value, r_type, r_field, r_format); | |
316 | ||
317 | case LDIL: | |
318 | case ADDIL: | |
319 | BFD_ASSERT (r_format == 21); | |
320 | ||
321 | constant_value = assemble_21 (insn); | |
322 | constant_value += ELF32_HPPA_R_CONSTANT (r_addend); | |
323 | sym_value = hppa_field_adjust (sym_value, constant_value, r_field); | |
324 | return hppa_elf_rebuild_insn (abfd, insn, sym_value, r_type, r_field, r_format); | |
325 | ||
326 | case BL: | |
327 | case BE: | |
328 | case BLE: | |
329 | arg_reloc = ELF32_HPPA_R_ARG_RELOC (r_addend); | |
330 | ||
331 | BFD_ASSERT (r_format == 17); | |
332 | ||
333 | /* XXX computing constant_value is not needed??? */ | |
334 | constant_value = assemble_17 ((insn & 0x001f0000) >> 16, | |
335 | (insn & 0x00001ffc) >> 2, | |
336 | insn & 1); | |
337 | /* @@ Assumes only 32 bits. */ | |
338 | constant_value = (constant_value << 15) >> 15; | |
339 | if (pcrel) | |
340 | { | |
341 | sym_value -= | |
342 | address + input_sect->output_offset | |
343 | + input_sect->output_section->vma; | |
344 | sym_value = hppa_field_adjust (sym_value, -8, r_field); | |
345 | } | |
346 | else | |
347 | sym_value = hppa_field_adjust (sym_value, constant_value, r_field); | |
4c85cbfa | 348 | |
e8f2240a | 349 | return hppa_elf_rebuild_insn (abfd, insn, sym_value >> 2, r_type, r_field, r_format); |
4c85cbfa | 350 | |
e8f2240a KR |
351 | default: |
352 | if (opcode == 0) | |
353 | { | |
354 | BFD_ASSERT (r_format == 32); | |
355 | constant_value = insn; | |
356 | constant_value += ELF32_HPPA_R_CONSTANT (r_addend); | |
357 | ||
358 | return hppa_field_adjust (sym_value, constant_value, r_field); | |
359 | } | |
360 | else | |
361 | { | |
362 | fprintf (stderr, | |
363 | "Unrecognized opcode 0x%02x (fmt=%x,field=%x)\n", | |
364 | opcode, r_format, r_field); | |
365 | return insn; | |
4c85cbfa | 366 | } |
e8f2240a | 367 | } |
4c85cbfa KR |
368 | } |
369 | ||
370 | static void | |
e8f2240a KR |
371 | DEFUN (hppa_elf_relocate_unwind_table, |
372 | (abfd, input_sect, | |
373 | data, address, symp, sym_value, r_addend, | |
374 | r_type, r_format, r_field, pcrel), | |
375 | bfd * abfd AND | |
376 | asection * input_sect AND | |
377 | PTR data AND | |
378 | unsigned long address AND | |
379 | asymbol * symp AND | |
380 | long sym_value AND | |
381 | long r_addend AND | |
382 | unsigned short r_type AND | |
383 | unsigned short r_format AND | |
384 | unsigned short r_field AND | |
385 | unsigned char pcrel) | |
4c85cbfa | 386 | { |
e8f2240a KR |
387 | bfd_byte *hit_data = address + (bfd_byte *) (data); |
388 | long start_offset; | |
389 | long end_offset; | |
390 | long relocated_value; | |
391 | int i; | |
392 | ||
393 | BFD_ASSERT (r_format == 32); | |
394 | BFD_ASSERT (r_field == e_fsel); | |
395 | switch (r_type) | |
396 | { | |
397 | case R_HPPA_UNWIND_ENTRY: | |
398 | start_offset = bfd_get_32 (abfd, hit_data); | |
399 | relocated_value = hppa_field_adjust (sym_value, start_offset, r_field); | |
400 | bfd_put_32 (abfd, relocated_value, hit_data); | |
401 | ||
402 | hit_data += sizeof (unsigned long); | |
403 | end_offset = bfd_get_32 (abfd, hit_data); | |
404 | relocated_value = hppa_field_adjust (sym_value, end_offset, r_field); | |
405 | bfd_put_32 (abfd, relocated_value, hit_data); | |
406 | break; | |
407 | ||
408 | case R_HPPA_UNWIND_ENTRIES: | |
409 | for (i = 0; i < r_addend; i++, hit_data += 3 * sizeof (unsigned long)) | |
410 | { | |
d9ad93bc | 411 | unsigned int adjustment; |
e8f2240a KR |
412 | start_offset = bfd_get_32 (abfd, hit_data); |
413 | /* Stuff the symbol value into the first word */ | |
414 | /* of the unwind descriptor */ | |
415 | bfd_put_32 (abfd, sym_value, hit_data); | |
d9ad93bc | 416 | adjustment = sym_value - start_offset; |
e8f2240a KR |
417 | |
418 | hit_data += sizeof (unsigned long); | |
d9ad93bc KR |
419 | end_offset = adjustment + bfd_get_32 (abfd, hit_data); |
420 | bfd_put_32 (abfd, end_offset, hit_data); | |
e8f2240a KR |
421 | |
422 | /* If this is not the last unwind entry, */ | |
423 | /* adjust the symbol value. */ | |
424 | if (i + 1 < r_addend) | |
425 | { | |
426 | start_offset = bfd_get_32 (abfd, hit_data + 3 * sizeof (unsigned long)); | |
d9ad93bc | 427 | sym_value = start_offset + adjustment; |
e8f2240a | 428 | } |
4c85cbfa | 429 | } |
e8f2240a KR |
430 | break; |
431 | ||
432 | default: | |
433 | fprintf (stderr, | |
434 | "Unrecognized relocation type 0x%02x (fmt=%x,field=%x)\n", | |
435 | r_type, r_format, r_field); | |
436 | } | |
4c85cbfa KR |
437 | } |
438 | ||
439 | /* Provided the symbol, returns the value reffed */ | |
e8f2240a KR |
440 | static long |
441 | get_symbol_value (symbol) | |
442 | asymbol *symbol; | |
443 | { | |
444 | long relocation = 0; | |
445 | ||
446 | if (symbol == (asymbol *) NULL) | |
447 | relocation = 0; | |
448 | else if (symbol->section == &bfd_com_section) | |
449 | { | |
450 | relocation = 0; | |
451 | } | |
452 | else | |
453 | { | |
454 | relocation = symbol->value + | |
455 | symbol->section->output_section->vma + | |
456 | symbol->section->output_offset; | |
457 | } | |
458 | ||
459 | return (relocation); | |
4c85cbfa KR |
460 | } |
461 | ||
462 | /* This function provides a pretty straight-forward mapping between a */ | |
463 | /* base relocation type, format and field into the relocation type */ | |
464 | /* that will be emitted in an object file. The only wrinkle in the */ | |
465 | /* mapping is that when the T, TR, TL, P, PR, or PL expression */ | |
466 | /* prefixes are involved, the type gets promoted to a *_GOTOFF_* */ | |
467 | /* relocation (in the case of T, TR, and TL) or a PLABEL relocation */ | |
468 | /* (in the case of P, PR, and PL). */ | |
469 | ||
470 | /* NOTE: XXX the T, TR, TL, P, PR, and PL expression prefixes are not */ | |
471 | /* handled yet. */ | |
472 | ||
473 | static void | |
e8f2240a KR |
474 | hppa_elf_gen_reloc_error (base_type, fmt, field) |
475 | elf32_hppa_reloc_type base_type; | |
476 | int fmt; | |
477 | int field; | |
4c85cbfa | 478 | { |
e8f2240a KR |
479 | fprintf (stderr, "undefined relocation: base=0x%x,fmt=0x%x,field=0x%x\n", |
480 | base_type, fmt, field); | |
4c85cbfa KR |
481 | } |
482 | ||
e8f2240a KR |
483 | elf32_hppa_reloc_type ** |
484 | hppa_elf_gen_reloc_type (abfd, base_type, format, field) | |
485 | bfd *abfd; | |
486 | elf32_hppa_reloc_type base_type; | |
487 | int format; | |
488 | int field; | |
4c85cbfa | 489 | { |
d9ad93bc | 490 | #define UNDEFINED hppa_elf_gen_reloc_error(base_type,format,field) |
4c85cbfa | 491 | |
e8f2240a KR |
492 | elf32_hppa_reloc_type *finaltype; |
493 | elf32_hppa_reloc_type **final_types; | |
494 | int i; | |
495 | ||
496 | final_types = (elf32_hppa_reloc_type **) bfd_alloc_by_size_t (abfd, sizeof (elf32_hppa_reloc_type *) * 2); | |
497 | BFD_ASSERT (final_types != 0); | |
498 | ||
499 | finaltype = (elf32_hppa_reloc_type *) bfd_alloc_by_size_t (abfd, sizeof (elf32_hppa_reloc_type)); | |
500 | BFD_ASSERT (finaltype != 0); | |
501 | ||
502 | final_types[0] = finaltype; | |
503 | final_types[1] = NULL; | |
504 | ||
505 | #define final_type finaltype[0] | |
506 | ||
507 | final_type = base_type; | |
508 | ||
509 | switch (base_type) | |
510 | { | |
511 | case R_HPPA: | |
512 | switch (format) | |
513 | { | |
514 | case 11: | |
515 | switch (field) | |
516 | { | |
517 | case e_fsel: | |
518 | final_type = R_HPPA_11; | |
519 | break; | |
520 | case e_rsel: | |
521 | final_type = R_HPPA_R11; | |
522 | break; | |
523 | case e_rssel: | |
524 | final_type = R_HPPA_RS11; | |
525 | break; | |
526 | case e_rdsel: | |
527 | final_type = R_HPPA_RD11; | |
528 | break; | |
529 | ||
530 | case e_psel: | |
531 | final_type = R_HPPA_PLABEL_11; | |
532 | break; | |
533 | case e_rpsel: | |
534 | final_type = R_HPPA_PLABEL_R11; | |
535 | break; | |
536 | case e_lpsel: | |
537 | case e_tsel: | |
538 | case e_ltsel: | |
539 | case e_rtsel: | |
540 | ||
541 | case e_lsel: | |
542 | case e_lrsel: | |
543 | case e_lssel: | |
544 | case e_rrsel: | |
545 | default: | |
546 | UNDEFINED; | |
547 | final_type = base_type; | |
548 | break; | |
549 | } | |
550 | break; | |
551 | case 12: | |
552 | UNDEFINED; | |
553 | break; | |
554 | case 14: | |
555 | switch (field) | |
556 | { | |
557 | case e_rsel: | |
558 | final_type = R_HPPA_R14; | |
559 | break; | |
560 | case e_rssel: | |
561 | final_type = R_HPPA_RS14; | |
562 | break; | |
563 | case e_rdsel: | |
564 | final_type = R_HPPA_RD14; | |
565 | break; | |
566 | case e_rrsel: | |
567 | final_type = R_HPPA_RR14; | |
568 | break; | |
569 | ||
570 | case e_psel: | |
571 | final_type = R_HPPA_PLABEL_14; | |
572 | break; | |
573 | case e_rpsel: | |
574 | final_type = R_HPPA_PLABEL_R14; | |
575 | break; | |
576 | case e_lpsel: | |
577 | case e_tsel: | |
578 | case e_ltsel: | |
579 | case e_rtsel: | |
580 | ||
581 | case e_fsel: | |
582 | case e_lsel: | |
583 | case e_lssel: | |
584 | case e_ldsel: | |
585 | case e_lrsel: | |
586 | default: | |
587 | UNDEFINED; | |
588 | final_type = base_type; | |
589 | break; | |
590 | } | |
591 | break; | |
592 | case 17: | |
593 | switch (field) | |
594 | { | |
595 | case e_fsel: | |
596 | final_type = R_HPPA_17; | |
597 | break; | |
598 | case e_rsel: | |
599 | final_type = R_HPPA_R17; | |
600 | break; | |
601 | case e_rssel: | |
602 | final_type = R_HPPA_RS17; | |
603 | break; | |
604 | case e_rdsel: | |
605 | final_type = R_HPPA_RD17; | |
606 | break; | |
607 | case e_rrsel: | |
608 | final_type = R_HPPA_RR17; | |
609 | break; | |
610 | case e_lsel: | |
611 | case e_lssel: | |
612 | case e_ldsel: | |
613 | case e_lrsel: | |
614 | default: | |
615 | UNDEFINED; | |
616 | final_type = base_type; | |
617 | break; | |
618 | } | |
619 | break; | |
620 | case 21: | |
621 | switch (field) | |
622 | { | |
623 | case e_lsel: | |
624 | final_type = R_HPPA_L21; | |
625 | break; | |
626 | case e_lssel: | |
627 | final_type = R_HPPA_LS21; | |
628 | break; | |
629 | case e_ldsel: | |
630 | final_type = R_HPPA_LD21; | |
631 | break; | |
632 | case e_lrsel: | |
633 | final_type = R_HPPA_LR21; | |
634 | break; | |
635 | case e_lpsel: | |
636 | final_type = R_HPPA_PLABEL_L21; | |
637 | break; | |
638 | case e_rsel: | |
639 | case e_rssel: | |
640 | case e_rdsel: | |
641 | case e_rrsel: | |
642 | case e_fsel: | |
643 | default: | |
644 | UNDEFINED; | |
645 | final_type = base_type; | |
646 | break; | |
647 | } | |
648 | break; | |
649 | case 32: | |
650 | switch (field) | |
651 | { | |
652 | case e_fsel: | |
653 | final_type = R_HPPA_32; | |
654 | break; | |
655 | case e_psel: | |
656 | final_type = R_HPPA_PLABEL_32; | |
657 | break; | |
658 | default: | |
659 | UNDEFINED; | |
660 | final_type = base_type; | |
661 | break; | |
662 | } | |
663 | break; | |
664 | default: | |
665 | UNDEFINED; | |
666 | final_type = base_type; | |
667 | break; | |
668 | } | |
669 | break; | |
670 | case R_HPPA_GOTOFF: | |
671 | switch (format) | |
672 | { | |
673 | case 11: | |
674 | switch (field) | |
675 | { | |
676 | case e_rsel: | |
677 | final_type = R_HPPA_GOTOFF_R11; | |
678 | break; | |
679 | case e_rssel: | |
680 | final_type = R_HPPA_GOTOFF_RS11; | |
681 | break; | |
682 | case e_rdsel: | |
683 | final_type = R_HPPA_GOTOFF_RD11; | |
684 | break; | |
685 | case e_fsel: | |
686 | final_type = R_HPPA_GOTOFF_11; | |
687 | break; | |
688 | case e_lsel: | |
689 | case e_lrsel: | |
690 | case e_lssel: | |
691 | case e_rrsel: | |
692 | default: | |
693 | UNDEFINED; | |
694 | final_type = base_type; | |
695 | break; | |
696 | } | |
697 | break; | |
698 | case 12: | |
699 | UNDEFINED; | |
700 | final_type = base_type; | |
701 | break; | |
702 | case 14: | |
703 | switch (field) | |
704 | { | |
705 | case e_rsel: | |
706 | final_type = R_HPPA_GOTOFF_R14; | |
707 | break; | |
708 | case e_rssel: | |
709 | final_type = R_HPPA_GOTOFF_RS14; | |
710 | break; | |
711 | case e_rdsel: | |
712 | final_type = R_HPPA_GOTOFF_RD14; | |
713 | break; | |
714 | case e_rrsel: | |
715 | final_type = R_HPPA_GOTOFF_RR14; | |
716 | break; | |
717 | case e_fsel: | |
718 | final_type = R_HPPA_GOTOFF_14; | |
719 | break; | |
720 | case e_lsel: | |
721 | case e_lssel: | |
722 | case e_ldsel: | |
723 | case e_lrsel: | |
724 | default: | |
725 | UNDEFINED; | |
726 | final_type = base_type; | |
727 | break; | |
728 | } | |
729 | break; | |
730 | case 17: | |
731 | UNDEFINED; | |
732 | final_type = base_type; | |
733 | break; | |
734 | case 21: | |
735 | switch (field) | |
736 | { | |
737 | case e_lsel: | |
738 | final_type = R_HPPA_GOTOFF_L21; | |
739 | break; | |
740 | case e_lssel: | |
741 | final_type = R_HPPA_GOTOFF_LS21; | |
742 | break; | |
743 | case e_ldsel: | |
744 | final_type = R_HPPA_GOTOFF_LD21; | |
745 | break; | |
746 | case e_lrsel: | |
747 | final_type = R_HPPA_GOTOFF_LR21; | |
748 | break; | |
749 | case e_rsel: | |
750 | case e_rssel: | |
751 | case e_rdsel: | |
752 | case e_rrsel: | |
753 | case e_fsel: | |
754 | default: | |
755 | UNDEFINED; | |
756 | final_type = base_type; | |
757 | break; | |
758 | } | |
759 | break; | |
760 | case 32: | |
761 | UNDEFINED; | |
762 | final_type = base_type; | |
763 | break; | |
764 | default: | |
765 | UNDEFINED; | |
766 | final_type = base_type; | |
767 | break; | |
768 | } | |
769 | break; | |
770 | case R_HPPA_PCREL_CALL: | |
771 | switch (format) | |
772 | { | |
773 | case 11: | |
774 | switch (field) | |
775 | { | |
776 | case e_rsel: | |
777 | final_type = R_HPPA_PCREL_CALL_R11; | |
778 | break; | |
779 | case e_rssel: | |
780 | final_type = R_HPPA_PCREL_CALL_RS11; | |
781 | break; | |
782 | case e_rdsel: | |
783 | final_type = R_HPPA_PCREL_CALL_RD11; | |
784 | break; | |
785 | case e_fsel: | |
786 | final_type = R_HPPA_PCREL_CALL_11; | |
787 | break; | |
788 | case e_lsel: | |
789 | case e_lrsel: | |
790 | case e_lssel: | |
791 | case e_rrsel: | |
792 | default: | |
793 | UNDEFINED; | |
794 | final_type = base_type; | |
795 | break; | |
796 | } | |
797 | break; | |
798 | case 12: | |
799 | UNDEFINED; | |
800 | final_type = base_type; | |
801 | break; | |
802 | case 14: | |
803 | switch (field) | |
804 | { | |
805 | case e_rsel: | |
806 | final_type = R_HPPA_PCREL_CALL_R14; | |
807 | break; | |
808 | case e_rssel: | |
809 | final_type = R_HPPA_PCREL_CALL_RS14; | |
810 | break; | |
811 | case e_rdsel: | |
812 | final_type = R_HPPA_PCREL_CALL_RD14; | |
813 | break; | |
814 | case e_rrsel: | |
815 | final_type = R_HPPA_PCREL_CALL_RR14; | |
816 | break; | |
817 | case e_fsel: | |
818 | final_type = R_HPPA_PCREL_CALL_14; | |
819 | break; | |
820 | case e_lsel: | |
821 | case e_lssel: | |
822 | case e_ldsel: | |
823 | case e_lrsel: | |
824 | default: | |
825 | UNDEFINED; | |
826 | final_type = base_type; | |
827 | break; | |
828 | } | |
829 | break; | |
830 | case 17: | |
831 | switch (field) | |
832 | { | |
833 | case e_rsel: | |
834 | final_type = R_HPPA_PCREL_CALL_R17; | |
835 | break; | |
836 | case e_rssel: | |
837 | final_type = R_HPPA_PCREL_CALL_RS17; | |
838 | break; | |
839 | case e_rdsel: | |
840 | final_type = R_HPPA_PCREL_CALL_RD17; | |
841 | break; | |
842 | case e_rrsel: | |
843 | final_type = R_HPPA_PCREL_CALL_RR17; | |
844 | break; | |
845 | case e_fsel: | |
846 | final_type = R_HPPA_PCREL_CALL_17; | |
847 | break; | |
848 | case e_lsel: | |
849 | case e_lssel: | |
850 | case e_ldsel: | |
851 | case e_lrsel: | |
852 | default: | |
853 | UNDEFINED; | |
854 | final_type = base_type; | |
855 | break; | |
856 | } | |
857 | break; | |
858 | case 21: | |
859 | switch (field) | |
860 | { | |
861 | case e_lsel: | |
862 | final_type = R_HPPA_PCREL_CALL_L21; | |
863 | break; | |
864 | case e_lssel: | |
865 | final_type = R_HPPA_PCREL_CALL_LS21; | |
866 | break; | |
867 | case e_ldsel: | |
868 | final_type = R_HPPA_PCREL_CALL_LD21; | |
869 | break; | |
870 | case e_lrsel: | |
871 | final_type = R_HPPA_PCREL_CALL_LR21; | |
872 | break; | |
873 | case e_rsel: | |
874 | case e_rssel: | |
875 | case e_rdsel: | |
876 | case e_rrsel: | |
877 | case e_fsel: | |
878 | default: | |
879 | UNDEFINED; | |
880 | final_type = base_type; | |
881 | break; | |
882 | } | |
883 | break; | |
884 | case 32: | |
885 | UNDEFINED; | |
886 | final_type = base_type; | |
887 | break; | |
888 | default: | |
889 | UNDEFINED; | |
890 | final_type = base_type; | |
891 | break; | |
892 | } | |
893 | break; | |
894 | case R_HPPA_PLABEL: | |
895 | switch (format) | |
896 | { | |
897 | case 11: | |
898 | switch (field) | |
899 | { | |
900 | case e_fsel: | |
901 | final_type = R_HPPA_PLABEL_11; | |
902 | break; | |
903 | case e_rsel: | |
904 | final_type = R_HPPA_PLABEL_R11; | |
905 | break; | |
906 | default: | |
907 | UNDEFINED; | |
908 | final_type = base_type; | |
909 | break; | |
910 | } | |
911 | break; | |
912 | case 14: | |
913 | switch (field) | |
914 | { | |
915 | case e_fsel: | |
916 | final_type = R_HPPA_PLABEL_14; | |
917 | break; | |
918 | case e_rsel: | |
919 | final_type = R_HPPA_PLABEL_R14; | |
920 | break; | |
921 | default: | |
922 | UNDEFINED; | |
923 | final_type = base_type; | |
924 | break; | |
925 | } | |
926 | break; | |
927 | case 21: | |
928 | switch (field) | |
929 | { | |
930 | case e_lsel: | |
931 | final_type = R_HPPA_PLABEL_L21; | |
932 | break; | |
933 | default: | |
934 | UNDEFINED; | |
935 | final_type = base_type; | |
936 | break; | |
937 | } | |
938 | break; | |
939 | case 32: | |
940 | switch (field) | |
941 | { | |
942 | case e_fsel: | |
943 | final_type = R_HPPA_PLABEL_32; | |
944 | break; | |
945 | default: | |
946 | UNDEFINED; | |
947 | final_type = base_type; | |
948 | break; | |
949 | } | |
950 | break; | |
951 | default: | |
952 | UNDEFINED; | |
953 | final_type = base_type; | |
954 | break; | |
955 | } | |
956 | case R_HPPA_ABS_CALL: | |
957 | switch (format) | |
958 | { | |
959 | case 11: | |
960 | switch (field) | |
961 | { | |
962 | case e_rsel: | |
963 | final_type = R_HPPA_ABS_CALL_R11; | |
964 | break; | |
965 | case e_rssel: | |
966 | final_type = R_HPPA_ABS_CALL_RS11; | |
967 | break; | |
968 | case e_rdsel: | |
969 | final_type = R_HPPA_ABS_CALL_RD11; | |
970 | break; | |
971 | case e_fsel: | |
972 | final_type = R_HPPA_ABS_CALL_11; | |
973 | break; | |
974 | case e_lsel: | |
975 | case e_lrsel: | |
976 | case e_lssel: | |
977 | case e_rrsel: | |
4c85cbfa | 978 | default: |
e8f2240a KR |
979 | UNDEFINED; |
980 | final_type = base_type; | |
981 | break; | |
982 | } | |
983 | break; | |
984 | case 12: | |
985 | UNDEFINED; | |
986 | final_type = base_type; | |
987 | break; | |
988 | case 14: | |
989 | switch (field) | |
990 | { | |
991 | case e_rsel: | |
992 | final_type = R_HPPA_ABS_CALL_R14; | |
993 | break; | |
994 | case e_rssel: | |
995 | final_type = R_HPPA_ABS_CALL_RS14; | |
996 | break; | |
997 | case e_rdsel: | |
998 | final_type = R_HPPA_ABS_CALL_RD14; | |
999 | break; | |
1000 | case e_rrsel: | |
1001 | final_type = R_HPPA_ABS_CALL_RR14; | |
1002 | break; | |
1003 | case e_fsel: | |
1004 | final_type = R_HPPA_ABS_CALL_14; | |
1005 | break; | |
1006 | case e_lsel: | |
1007 | case e_lssel: | |
1008 | case e_ldsel: | |
1009 | case e_lrsel: | |
1010 | default: | |
1011 | UNDEFINED; | |
1012 | final_type = base_type; | |
1013 | break; | |
1014 | } | |
1015 | break; | |
1016 | case 17: | |
1017 | switch (field) | |
1018 | { | |
1019 | case e_rsel: | |
1020 | final_type = R_HPPA_ABS_CALL_R17; | |
1021 | break; | |
1022 | case e_rssel: | |
1023 | final_type = R_HPPA_ABS_CALL_RS17; | |
1024 | break; | |
1025 | case e_rdsel: | |
1026 | final_type = R_HPPA_ABS_CALL_RD17; | |
1027 | break; | |
1028 | case e_rrsel: | |
1029 | final_type = R_HPPA_ABS_CALL_RR17; | |
1030 | break; | |
1031 | case e_fsel: | |
1032 | final_type = R_HPPA_ABS_CALL_17; | |
1033 | break; | |
1034 | case e_lsel: | |
1035 | case e_lssel: | |
1036 | case e_ldsel: | |
1037 | case e_lrsel: | |
1038 | default: | |
1039 | UNDEFINED; | |
1040 | final_type = base_type; | |
1041 | break; | |
1042 | } | |
1043 | break; | |
1044 | case 21: | |
1045 | switch (field) | |
1046 | { | |
1047 | case e_lsel: | |
1048 | final_type = R_HPPA_ABS_CALL_L21; | |
1049 | break; | |
1050 | case e_lssel: | |
1051 | final_type = R_HPPA_ABS_CALL_LS21; | |
1052 | break; | |
1053 | case e_ldsel: | |
1054 | final_type = R_HPPA_ABS_CALL_LD21; | |
1055 | break; | |
1056 | case e_lrsel: | |
1057 | final_type = R_HPPA_ABS_CALL_LR21; | |
1058 | break; | |
1059 | case e_rsel: | |
1060 | case e_rssel: | |
1061 | case e_rdsel: | |
1062 | case e_rrsel: | |
1063 | case e_fsel: | |
1064 | default: | |
1065 | UNDEFINED; | |
1066 | final_type = base_type; | |
1067 | break; | |
1068 | } | |
1069 | break; | |
1070 | case 32: | |
1071 | UNDEFINED; | |
1072 | final_type = base_type; | |
1073 | break; | |
1074 | default: | |
1075 | UNDEFINED; | |
1076 | final_type = base_type; | |
1077 | break; | |
1078 | } | |
1079 | break; | |
1080 | case R_HPPA_UNWIND: | |
1081 | final_type = R_HPPA_UNWIND_ENTRY; | |
1082 | break; | |
1083 | case R_HPPA_COMPLEX: | |
1084 | case R_HPPA_COMPLEX_PCREL_CALL: | |
1085 | case R_HPPA_COMPLEX_ABS_CALL: | |
1086 | final_types = (elf32_hppa_reloc_type **) bfd_alloc_by_size_t (abfd, sizeof (elf32_hppa_reloc_type *) * 6); | |
1087 | BFD_ASSERT (final_types != 0); | |
1088 | ||
1089 | finaltype = (elf32_hppa_reloc_type *) bfd_alloc_by_size_t (abfd, sizeof (elf32_hppa_reloc_type) * 5); | |
1090 | BFD_ASSERT (finaltype != 0); | |
1091 | ||
1092 | for (i = 0; i < 5; i++) | |
1093 | final_types[i] = &finaltype[i]; | |
1094 | ||
1095 | final_types[5] = NULL; | |
1096 | ||
1097 | finaltype[0] = R_HPPA_PUSH_SYM; | |
1098 | ||
1099 | if (base_type == R_HPPA_COMPLEX) | |
1100 | finaltype[1] = R_HPPA_PUSH_SYM; | |
1101 | else if (base_type == R_HPPA_COMPLEX_PCREL_CALL) | |
1102 | finaltype[1] = R_HPPA_PUSH_PCREL_CALL; | |
1103 | else /* base_type == R_HPPA_COMPLEX_ABS_CALL */ | |
1104 | finaltype[1] = R_HPPA_PUSH_ABS_CALL; | |
1105 | ||
1106 | finaltype[2] = R_HPPA_SUB; | |
1107 | ||
1108 | switch (field) | |
1109 | { | |
1110 | case e_fsel: | |
1111 | finaltype[3] = R_HPPA_EXPR_F; | |
1112 | break; | |
1113 | case e_lsel: | |
1114 | finaltype[3] = R_HPPA_EXPR_L; | |
1115 | break; | |
1116 | case e_rsel: | |
1117 | finaltype[3] = R_HPPA_EXPR_R; | |
1118 | break; | |
1119 | case e_lssel: | |
1120 | finaltype[3] = R_HPPA_EXPR_LS; | |
1121 | break; | |
1122 | case e_rssel: | |
1123 | finaltype[3] = R_HPPA_EXPR_RS; | |
1124 | break; | |
1125 | case e_ldsel: | |
1126 | finaltype[3] = R_HPPA_EXPR_LD; | |
1127 | break; | |
1128 | case e_rdsel: | |
1129 | finaltype[3] = R_HPPA_EXPR_RD; | |
1130 | break; | |
1131 | case e_lrsel: | |
1132 | finaltype[3] = R_HPPA_EXPR_LR; | |
1133 | break; | |
1134 | case e_rrsel: | |
1135 | finaltype[3] = R_HPPA_EXPR_RR; | |
1136 | break; | |
4c85cbfa KR |
1137 | } |
1138 | ||
e8f2240a KR |
1139 | switch (format) |
1140 | { | |
1141 | case 11: | |
1142 | finaltype[4] = R_HPPA_EXPR_11; | |
1143 | break; | |
1144 | case 12: | |
1145 | finaltype[4] = R_HPPA_EXPR_12; | |
1146 | break; | |
1147 | case 14: | |
1148 | finaltype[4] = R_HPPA_EXPR_14; | |
1149 | break; | |
1150 | case 17: | |
1151 | finaltype[4] = R_HPPA_EXPR_17; | |
1152 | break; | |
1153 | case 21: | |
1154 | finaltype[4] = R_HPPA_EXPR_21; | |
1155 | break; | |
1156 | case 32: | |
1157 | finaltype[4] = R_HPPA_EXPR_32; | |
1158 | break; | |
1159 | } | |
1160 | ||
1161 | break; | |
1162 | ||
1163 | default: | |
1164 | final_type = base_type; | |
1165 | break; | |
1166 | } | |
1167 | ||
1168 | return final_types; | |
4c85cbfa KR |
1169 | } |
1170 | ||
e8f2240a KR |
1171 | #undef final_type |
1172 | ||
d9ad93bc | 1173 | /* 12.4.4. Derive format from instruction |
4c85cbfa | 1174 | |
d9ad93bc KR |
1175 | Given a machine instruction, this function determines its format. |
1176 | The format can be determined solely from looking at the first six | |
1177 | bits (the major opcode) of the instruction. Several major opcodes | |
1178 | map to the same format. Opcodes which do not map to a known format | |
1179 | should probably be reported as an error. */ | |
4c85cbfa KR |
1180 | |
1181 | unsigned char | |
e8f2240a KR |
1182 | hppa_elf_insn2fmt (type, insn) |
1183 | elf32_hppa_reloc_type type; | |
1184 | unsigned long insn; | |
4c85cbfa | 1185 | { |
e8f2240a KR |
1186 | unsigned char fmt = 0; /* XXX: is this a proper default? */ |
1187 | unsigned char op = get_opcode (insn); | |
1188 | ||
1189 | if (type == R_HPPA_NONE) | |
1190 | fmt = 0; | |
1191 | else | |
1192 | { | |
1193 | switch (op) | |
1194 | { | |
1195 | case ADDI: | |
1196 | case ADDIT: | |
1197 | case SUBI: | |
1198 | fmt = 11; | |
1199 | break; | |
1200 | case MOVB: | |
1201 | case MOVIB: | |
1202 | case COMBT: | |
1203 | case COMBF: | |
1204 | case COMIBT: | |
1205 | case COMIBF: | |
1206 | case ADDBT: | |
1207 | case ADDBF: | |
1208 | case ADDIBT: | |
1209 | case ADDIBF: | |
1210 | case BVB: | |
1211 | case BB: | |
1212 | fmt = 12; | |
1213 | break; | |
1214 | case LDO: | |
1215 | case LDB: | |
1216 | case LDH: | |
1217 | case LDW: | |
1218 | case LDWM: | |
1219 | case STB: | |
1220 | case STH: | |
1221 | case STW: | |
1222 | case STWM: | |
1223 | fmt = 14; | |
1224 | break; | |
1225 | case BL: | |
1226 | case BE: | |
1227 | case BLE: | |
1228 | fmt = 17; | |
1229 | break; | |
1230 | case LDIL: | |
1231 | case ADDIL: | |
1232 | fmt = 21; | |
1233 | break; | |
1234 | default: | |
1235 | fmt = 32; | |
1236 | break; | |
4c85cbfa | 1237 | } |
e8f2240a KR |
1238 | |
1239 | } | |
1240 | return fmt; | |
4c85cbfa KR |
1241 | } |
1242 | ||
1243 | /* this function is in charge of performing all the HP PA relocations */ | |
d9ad93bc KR |
1244 | static long global_value; |
1245 | static long GOT_value; /* XXX: need to calculate this! For HPUX, GOT == DP */ | |
1246 | static asymbol *global_symbol; | |
1247 | static int global_sym_defined; | |
4c85cbfa KR |
1248 | |
1249 | static bfd_reloc_status_type | |
e8f2240a KR |
1250 | DEFUN (hppa_elf_reloc, (abfd, reloc_entry, symbol_in, data, input_section, output_bfd), |
1251 | bfd * abfd AND | |
1252 | arelent * reloc_entry AND | |
1253 | asymbol * symbol_in AND | |
1254 | PTR data AND | |
1255 | asection * input_section AND | |
1256 | bfd * output_bfd) | |
1257 | { | |
1258 | unsigned long insn; | |
1259 | long sym_value = 0; | |
1260 | ||
1261 | unsigned long addr = reloc_entry->address; /*+ input_section->vma*/ | |
1262 | bfd_byte *hit_data = addr + (bfd_byte *) (data); | |
1263 | unsigned short r_type = reloc_entry->howto->type & 0xFF; | |
1264 | unsigned short r_field = e_fsel; | |
1265 | boolean r_pcrel = reloc_entry->howto->pc_relative; | |
1266 | ||
1267 | /* howto->bitsize contains the format (11, 14, 21, etc) information */ | |
1268 | unsigned r_format = reloc_entry->howto->bitsize; | |
1269 | long r_addend = reloc_entry->addend; | |
1270 | ||
1271 | ||
1272 | if (output_bfd) | |
1273 | { | |
1274 | /* Partial linking - do nothing */ | |
1275 | reloc_entry->address += input_section->output_offset; | |
1276 | return bfd_reloc_ok; | |
1277 | } | |
1278 | ||
1279 | if (symbol_in && symbol_in->section == &bfd_und_section) | |
1280 | return bfd_reloc_undefined; | |
1281 | ||
1282 | /* Check for stubs that might be required. */ | |
1283 | /* symbol_in = hppa_elf_stub_check (abfd, input_section->output_section->owner, reloc_entry); */ | |
1284 | ||
1285 | sym_value = get_symbol_value (symbol_in); | |
1286 | ||
1287 | /* compute value of $global$ if it is there. */ | |
1288 | ||
d9ad93bc | 1289 | if (!global_sym_defined) |
e8f2240a | 1290 | { |
d9ad93bc | 1291 | if (global_symbol) |
e8f2240a | 1292 | { |
d9ad93bc KR |
1293 | global_value = (global_symbol->value |
1294 | + global_symbol->section->output_section->vma | |
1295 | + global_symbol->section->output_offset); | |
e8f2240a | 1296 | GOT_value = global_value; /* XXX: For HP-UX, GOT==DP */ |
d9ad93bc | 1297 | global_sym_defined++; |
e8f2240a KR |
1298 | } |
1299 | } | |
1300 | ||
1301 | /* get the instruction word */ | |
1302 | insn = bfd_get_32 (abfd, hit_data); | |
1303 | ||
1304 | /* relocate the value based on the relocation type */ | |
1305 | ||
1306 | /* basic_type_1: relocation is relative to $global$ */ | |
1307 | /* basic_type_2: relocation is relative to the current GOT */ | |
1308 | /* basic_type_3: relocation is an absolute call */ | |
1309 | /* basic_type_4: relocation is an PC-relative call */ | |
1310 | /* basic_type_5: relocation is plabel reference */ | |
1311 | /* basic_type_6: relocation is an unwind table relocation */ | |
1312 | /* extended_type: unimplemented */ | |
1313 | ||
1314 | switch (r_type) | |
1315 | { | |
1316 | case R_HPPA_NONE: | |
1317 | break; | |
1318 | case R_HPPA_32: /* Symbol + Addend 32 */ | |
1319 | r_field = e_fsel; | |
1320 | goto do_basic_type_1; | |
1321 | case R_HPPA_11: /* Symbol + Addend 11 */ | |
1322 | r_field = e_fsel; | |
1323 | goto do_basic_type_1; | |
1324 | case R_HPPA_14: /* Symbol + Addend 14 */ | |
1325 | r_field = e_fsel; | |
1326 | goto do_basic_type_1; | |
1327 | case R_HPPA_17: /* Symbol + Addend 17 */ | |
1328 | r_field = e_fsel; | |
1329 | goto do_basic_type_1; | |
1330 | case R_HPPA_L21: /* L (Symbol, Addend) 21 */ | |
1331 | r_field = e_lsel; | |
1332 | goto do_basic_type_1; | |
1333 | case R_HPPA_R11: /* R (Symbol, Addend) 11 */ | |
1334 | r_field = e_rsel; | |
1335 | goto do_basic_type_1; | |
1336 | case R_HPPA_R14: /* R (Symbol, Addend) 14 */ | |
1337 | r_field = e_rsel; | |
1338 | goto do_basic_type_1; | |
1339 | case R_HPPA_R17: /* R (Symbol, Addend) 17 */ | |
1340 | r_field = e_rsel; | |
1341 | goto do_basic_type_1; | |
1342 | case R_HPPA_LS21: /* LS(Symbol, Addend) 21 */ | |
1343 | r_field = e_lssel; | |
1344 | goto do_basic_type_1; | |
1345 | case R_HPPA_RS11: /* RS(Symbol, Addend) 11 */ | |
1346 | r_field = e_rssel; | |
1347 | goto do_basic_type_1; | |
1348 | case R_HPPA_RS14: /* RS(Symbol, Addend) 14 */ | |
1349 | r_field = e_rssel; | |
1350 | goto do_basic_type_1; | |
1351 | case R_HPPA_RS17: /* RS(Symbol, Addend) 17 */ | |
1352 | r_field = e_ldsel; | |
1353 | goto do_basic_type_1; | |
1354 | case R_HPPA_LD21: /* LD(Symbol, Addend) 21 */ | |
1355 | r_field = e_ldsel; | |
1356 | goto do_basic_type_1; | |
1357 | case R_HPPA_RD11: /* RD(Symbol, Addend) 11 */ | |
1358 | r_field = e_rdsel; | |
1359 | goto do_basic_type_1; | |
1360 | case R_HPPA_RD14: /* RD(Symbol, Addend) 14 */ | |
1361 | r_field = e_rdsel; | |
1362 | goto do_basic_type_1; | |
1363 | case R_HPPA_RD17: /* RD(Symbol, Addend) 17 */ | |
1364 | r_field = e_rdsel; | |
1365 | goto do_basic_type_1; | |
1366 | case R_HPPA_LR21: /* LR(Symbol, Addend) 21 */ | |
1367 | r_field = e_lrsel; | |
1368 | goto do_basic_type_1; | |
1369 | case R_HPPA_RR14: /* RR(Symbol, Addend) 14 */ | |
1370 | r_field = e_rrsel; | |
1371 | goto do_basic_type_1; | |
1372 | case R_HPPA_RR17: /* RR(Symbol, Addend) 17 */ | |
1373 | r_field = e_rrsel; | |
1374 | ||
1375 | do_basic_type_1: | |
1376 | insn = hppa_elf_relocate_insn (abfd, input_section, insn, addr, | |
1377 | symbol_in, sym_value, r_addend, | |
1378 | r_type, r_format, r_field, r_pcrel); | |
1379 | break; | |
1380 | ||
1381 | case R_HPPA_GOTOFF_11: /* Symbol - GOT + Addend 11 */ | |
1382 | r_field = e_fsel; | |
1383 | goto do_basic_type_2; | |
1384 | case R_HPPA_GOTOFF_14: /* Symbol - GOT + Addend 14 */ | |
1385 | r_field = e_fsel; | |
1386 | goto do_basic_type_2; | |
1387 | case R_HPPA_GOTOFF_L21: /* L (Sym - GOT, Addend) 21 */ | |
1388 | r_field = e_lsel; | |
1389 | goto do_basic_type_2; | |
1390 | case R_HPPA_GOTOFF_R11: /* R (Sym - GOT, Addend) 11 */ | |
1391 | r_field = e_rsel; | |
1392 | goto do_basic_type_2; | |
1393 | case R_HPPA_GOTOFF_R14: /* R (Sym - GOT, Addend) 14 */ | |
1394 | r_field = e_rsel; | |
1395 | goto do_basic_type_2; | |
1396 | case R_HPPA_GOTOFF_LS21: /* LS(Sym - GOT, Addend) 21 */ | |
1397 | r_field = e_lssel; | |
1398 | goto do_basic_type_2; | |
1399 | case R_HPPA_GOTOFF_RS11: /* RS(Sym - GOT, Addend) 11 */ | |
1400 | r_field = e_rssel; | |
1401 | goto do_basic_type_2; | |
1402 | case R_HPPA_GOTOFF_RS14: /* RS(Sym - GOT, Addend) 14 */ | |
1403 | r_field = e_rssel; | |
1404 | goto do_basic_type_2; | |
1405 | case R_HPPA_GOTOFF_LD21: /* LD(Sym - GOT, Addend) 21 */ | |
1406 | r_field = e_ldsel; | |
1407 | goto do_basic_type_2; | |
1408 | case R_HPPA_GOTOFF_RD11: /* RD(Sym - GOT, Addend) 11 */ | |
1409 | r_field = e_rdsel; | |
1410 | goto do_basic_type_2; | |
1411 | case R_HPPA_GOTOFF_RD14: /* RD(Sym - GOT, Addend) 14 */ | |
1412 | r_field = e_rdsel; | |
1413 | goto do_basic_type_2; | |
1414 | case R_HPPA_GOTOFF_LR21: /* LR(Sym - GOT, Addend) 21 */ | |
1415 | r_field = e_lrsel; | |
1416 | goto do_basic_type_2; | |
1417 | case R_HPPA_GOTOFF_RR14: /* RR(Sym - GOT, Addend) 14 */ | |
1418 | r_field = e_rrsel; | |
1419 | do_basic_type_2: | |
1420 | sym_value -= GOT_value; | |
1421 | insn = hppa_elf_relocate_insn (abfd, input_section, insn, addr, | |
1422 | symbol_in, sym_value, r_addend, | |
1423 | r_type, r_format, r_field, r_pcrel); | |
1424 | break; | |
1425 | ||
1426 | case R_HPPA_ABS_CALL_11: /* Symbol + Addend 11 */ | |
1427 | r_field = e_fsel; | |
1428 | goto do_basic_type_3; | |
1429 | case R_HPPA_ABS_CALL_14: /* Symbol + Addend 14 */ | |
1430 | r_field = e_fsel; | |
1431 | goto do_basic_type_3; | |
1432 | case R_HPPA_ABS_CALL_17: /* Symbol + Addend 17 */ | |
1433 | r_field = e_fsel; | |
1434 | goto do_basic_type_3; | |
1435 | case R_HPPA_ABS_CALL_L21: /* L (Symbol, Addend) 21 */ | |
1436 | r_field = e_lsel; | |
1437 | goto do_basic_type_3; | |
1438 | case R_HPPA_ABS_CALL_R11: /* R (Symbol, Addend) 11 */ | |
1439 | r_field = e_rsel; | |
1440 | goto do_basic_type_3; | |
1441 | case R_HPPA_ABS_CALL_R14: /* R (Symbol, Addend) 14 */ | |
1442 | r_field = e_rsel; | |
1443 | goto do_basic_type_3; | |
1444 | case R_HPPA_ABS_CALL_R17: /* R (Symbol, Addend) 17 */ | |
1445 | r_field = e_rsel; | |
1446 | goto do_basic_type_3; | |
1447 | case R_HPPA_ABS_CALL_LS21: /* LS(Symbol, Addend) 21 */ | |
1448 | r_field = e_lssel; | |
1449 | goto do_basic_type_3; | |
1450 | case R_HPPA_ABS_CALL_RS11: /* RS(Symbol, Addend) 11 */ | |
1451 | r_field = e_lssel; | |
1452 | goto do_basic_type_3; | |
1453 | case R_HPPA_ABS_CALL_RS14: /* RS(Symbol, Addend) 14 */ | |
1454 | r_field = e_rssel; | |
1455 | goto do_basic_type_3; | |
1456 | case R_HPPA_ABS_CALL_RS17: /* RS(Symbol, Addend) 17 */ | |
1457 | r_field = e_rssel; | |
1458 | goto do_basic_type_3; | |
1459 | case R_HPPA_ABS_CALL_LD21: /* LD(Symbol, Addend) 21 */ | |
1460 | r_field = e_ldsel; | |
1461 | goto do_basic_type_3; | |
1462 | case R_HPPA_ABS_CALL_RD11: /* RD(Symbol, Addend) 11 */ | |
1463 | r_field = e_rdsel; | |
1464 | goto do_basic_type_3; | |
1465 | case R_HPPA_ABS_CALL_RD14: /* RD(Symbol, Addend) 14 */ | |
1466 | r_field = e_rdsel; | |
1467 | goto do_basic_type_3; | |
1468 | case R_HPPA_ABS_CALL_RD17: /* RD(Symbol, Addend) 17 */ | |
1469 | r_field = e_rdsel; | |
1470 | goto do_basic_type_3; | |
1471 | case R_HPPA_ABS_CALL_LR21: /* LR(Symbol, Addend) 21 */ | |
1472 | r_field = e_lrsel; | |
1473 | goto do_basic_type_3; | |
1474 | case R_HPPA_ABS_CALL_RR14: /* RR(Symbol, Addend) 14 */ | |
1475 | r_field = e_rrsel; | |
1476 | goto do_basic_type_3; | |
1477 | case R_HPPA_ABS_CALL_RR17: /* RR(Symbol, Addend) 17 */ | |
1478 | r_field = e_rrsel; | |
1479 | do_basic_type_3: | |
1480 | insn = hppa_elf_relocate_insn (abfd, input_section, insn, addr, | |
1481 | symbol_in, sym_value, r_addend, | |
1482 | r_type, r_format, r_field, r_pcrel); | |
1483 | break; | |
1484 | ||
1485 | case R_HPPA_PCREL_CALL_11: /* Symbol - PC + Addend 11 */ | |
1486 | r_field = e_fsel; | |
1487 | goto do_basic_type_4; | |
1488 | case R_HPPA_PCREL_CALL_14: /* Symbol - PC + Addend 14 */ | |
1489 | r_field = e_fsel; | |
1490 | goto do_basic_type_4; | |
1491 | case R_HPPA_PCREL_CALL_17: /* Symbol - PC + Addend 17 */ | |
1492 | r_field = e_fsel; | |
1493 | goto do_basic_type_4; | |
1494 | case R_HPPA_PCREL_CALL_L21:/* L (Symbol - PC, Addend) 21 */ | |
1495 | r_field = e_lsel; | |
1496 | goto do_basic_type_4; | |
1497 | case R_HPPA_PCREL_CALL_R11:/* R (Symbol - PC, Addend) 11 */ | |
1498 | r_field = e_rsel; | |
1499 | goto do_basic_type_4; | |
1500 | case R_HPPA_PCREL_CALL_R14:/* R (Symbol - PC, Addend) 14 */ | |
1501 | r_field = e_rsel; | |
1502 | goto do_basic_type_4; | |
1503 | case R_HPPA_PCREL_CALL_R17:/* R (Symbol - PC, Addend) 17 */ | |
1504 | r_field = e_rsel; | |
1505 | goto do_basic_type_4; | |
1506 | case R_HPPA_PCREL_CALL_LS21: /* LS(Symbol - PC, Addend) 21 */ | |
1507 | r_field = e_lssel; | |
1508 | goto do_basic_type_4; | |
1509 | case R_HPPA_PCREL_CALL_RS11: /* RS(Symbol - PC, Addend) 11 */ | |
1510 | r_field = e_rssel; | |
1511 | goto do_basic_type_4; | |
1512 | case R_HPPA_PCREL_CALL_RS14: /* RS(Symbol - PC, Addend) 14 */ | |
1513 | r_field = e_rssel; | |
1514 | goto do_basic_type_4; | |
1515 | case R_HPPA_PCREL_CALL_RS17: /* RS(Symbol - PC, Addend) 17 */ | |
1516 | r_field = e_rssel; | |
1517 | goto do_basic_type_4; | |
1518 | case R_HPPA_PCREL_CALL_LD21: /* LD(Symbol - PC, Addend) 21 */ | |
1519 | r_field = e_ldsel; | |
1520 | goto do_basic_type_4; | |
1521 | case R_HPPA_PCREL_CALL_RD11: /* RD(Symbol - PC, Addend) 11 */ | |
1522 | r_field = e_rdsel; | |
1523 | goto do_basic_type_4; | |
1524 | case R_HPPA_PCREL_CALL_RD14: /* RD(Symbol - PC, Addend) 14 */ | |
1525 | r_field = e_rdsel; | |
1526 | goto do_basic_type_4; | |
1527 | case R_HPPA_PCREL_CALL_RD17: /* RD(Symbol - PC, Addend) 17 */ | |
1528 | r_field = e_rdsel; | |
1529 | goto do_basic_type_4; | |
1530 | case R_HPPA_PCREL_CALL_LR21: /* LR(Symbol - PC, Addend) 21 */ | |
1531 | r_field = e_lrsel; | |
1532 | goto do_basic_type_4; | |
1533 | case R_HPPA_PCREL_CALL_RR14: /* RR(Symbol - PC, Addend) 14 */ | |
1534 | r_field = e_rrsel; | |
1535 | goto do_basic_type_4; | |
1536 | case R_HPPA_PCREL_CALL_RR17: /* RR(Symbol - PC, Addend) 17 *//* #69 */ | |
1537 | r_field = e_rrsel; | |
1538 | do_basic_type_4: | |
1539 | insn = hppa_elf_relocate_insn (abfd, input_section, insn, addr, | |
1540 | symbol_in, sym_value, r_addend, | |
1541 | r_type, r_format, r_field, r_pcrel); | |
1542 | break; | |
1543 | ||
1544 | case R_HPPA_PLABEL_32: | |
1545 | case R_HPPA_PLABEL_11: | |
1546 | case R_HPPA_PLABEL_14: | |
1547 | r_field = e_fsel; | |
1548 | goto do_basic_type_5; | |
1549 | case R_HPPA_PLABEL_L21: | |
1550 | r_field = e_lsel; | |
1551 | goto do_basic_type_5; | |
1552 | case R_HPPA_PLABEL_R11: | |
1553 | case R_HPPA_PLABEL_R14: | |
1554 | r_field = e_rsel; | |
1555 | do_basic_type_5: | |
1556 | insn = hppa_elf_relocate_insn (abfd, input_section, insn, addr, | |
1557 | symbol_in, sym_value, r_addend, | |
1558 | r_type, r_format, r_field, r_pcrel); | |
1559 | break; | |
1560 | ||
1561 | case R_HPPA_UNWIND_ENTRY: | |
1562 | case R_HPPA_UNWIND_ENTRIES: | |
1563 | hppa_elf_relocate_unwind_table (abfd, input_section, data, addr, | |
1564 | symbol_in, sym_value, r_addend, | |
1565 | r_type, r_format, r_field, r_pcrel); | |
1566 | return (bfd_reloc_ok); | |
1567 | ||
1568 | case R_HPPA_PUSH_CONST: /* push Addend - - */ | |
1569 | case R_HPPA_PUSH_PC: /* push PC + Addend - - */ | |
1570 | case R_HPPA_PUSH_SYM: /* push Symbol + Addend - - */ | |
1571 | case R_HPPA_PUSH_GOTOFF: /* push Symbol - GOT + Addend - - */ | |
1572 | case R_HPPA_PUSH_ABS_CALL: /* push Symbol + Addend - - */ | |
1573 | case R_HPPA_PUSH_PCREL_CALL: /* push Symbol - PC + Addend - - */ | |
1574 | case R_HPPA_PUSH_PLABEL: /* [TBD] - - */ | |
1575 | case R_HPPA_MAX: /* pop A and B, push max(B,A) - - */ | |
1576 | case R_HPPA_MIN: /* pop A and B, push min(B,A) - - */ | |
1577 | case R_HPPA_ADD: /* pop A and B, push B + A - - */ | |
1578 | case R_HPPA_SUB: /* pop A and B, push B - A - - */ | |
1579 | case R_HPPA_MULT: /* pop A and B, push B * A - - */ | |
1580 | case R_HPPA_DIV: /* pop A and B, push B / A - - */ | |
1581 | case R_HPPA_MOD: /* pop A and B, push B % A - - */ | |
1582 | case R_HPPA_AND: /* pop A and B, push B & A - - */ | |
1583 | case R_HPPA_OR: /* pop A and B, push B | A - - */ | |
1584 | case R_HPPA_XOR: /* pop A and B, push B ^ A - - */ | |
1585 | case R_HPPA_NOT: /* pop A, push ~A - - */ | |
1586 | case R_HPPA_LSHIFT: /* pop A, push A << Addend - - */ | |
1587 | case R_HPPA_ARITH_RSHIFT: /* pop A, push A >> Addend - - */ | |
1588 | case R_HPPA_LOGIC_RSHIFT: /* pop A, push A >> Addend - - */ | |
1589 | case R_HPPA_EXPR_F: /* pop A, push A + Addend L - */ | |
1590 | case R_HPPA_EXPR_L: /* pop A, push L(A,Addend) L - */ | |
1591 | case R_HPPA_EXPR_R: /* pop A, push R(A,Addend) R - */ | |
1592 | case R_HPPA_EXPR_LS: /* pop A, push LS(A,Addend) LS - */ | |
1593 | case R_HPPA_EXPR_RS: /* pop A, push RS(A,Addend) RS - */ | |
1594 | case R_HPPA_EXPR_LD: /* pop A, push LD(A,Addend) LD - */ | |
1595 | case R_HPPA_EXPR_RD: /* pop A, push RD(A,Addend) RD - */ | |
1596 | case R_HPPA_EXPR_LR: /* pop A, push LR(A,Addend) LR - */ | |
1597 | case R_HPPA_EXPR_RR: /* pop A, push RR(A,Addend) RR - */ | |
1598 | ||
1599 | case R_HPPA_EXPR_32: /* pop - 32 */ | |
1600 | case R_HPPA_EXPR_21: /* pop - 21 */ | |
1601 | case R_HPPA_EXPR_11: /* pop - 11 */ | |
1602 | case R_HPPA_EXPR_14: /* pop - 14 */ | |
1603 | case R_HPPA_EXPR_17: /* pop - 17 */ | |
1604 | case R_HPPA_EXPR_12: /* pop - 12 */ | |
1605 | fprintf (stderr, "Relocation problem: "); | |
1606 | fprintf (stderr, "Unimplemented reloc type %d, in module %s\n", | |
1607 | r_type, abfd->filename); | |
1608 | return (bfd_reloc_notsupported); | |
d9ad93bc KR |
1609 | case R_HPPA_STUB_CALL_17: |
1610 | /* yes, a branch to a long branch stub. Change instruction to a BLE */ | |
1611 | /* or BLE,N */ | |
1612 | if ( *(unsigned *)hit_data & 2 ) | |
1613 | insn = BLE_N_XXX_0_0; | |
1614 | else | |
1615 | insn = BLE_XXX_0_0; | |
1616 | bfd_put_32 (abfd, insn, hit_data); | |
1617 | r_type = R_HPPA_ABS_CALL_17; | |
1618 | r_pcrel = 0; | |
1619 | insn = hppa_elf_relocate_insn (abfd, input_section, insn, addr, | |
1620 | symbol_in, sym_value, r_addend, | |
1621 | r_type, r_format, r_field, r_pcrel); | |
1622 | break; | |
1623 | ||
e8f2240a KR |
1624 | default: |
1625 | fprintf (stderr, "Relocation problem : "); | |
1626 | fprintf (stderr, "Unrecognized reloc type %d, in module %s\n", | |
1627 | r_type, abfd->filename); | |
1628 | return (bfd_reloc_dangerous); | |
1629 | } | |
1630 | ||
1631 | /* update the instruction word */ | |
1632 | bfd_put_32 (abfd, insn, hit_data); | |
1633 | ||
1634 | return (bfd_reloc_ok); | |
1635 | ||
1636 | } | |
1637 | ||
e8f2240a KR |
1638 | static reloc_howto_type * |
1639 | elf_hppa_reloc_type_lookup (arch, code) | |
1640 | bfd_arch_info_type *arch; | |
1641 | bfd_reloc_code_real_type code; | |
1642 | { | |
e8f2240a KR |
1643 | if ((int) code < (int) R_HPPA_UNIMPLEMENTED) |
1644 | { | |
1645 | BFD_ASSERT ((int) elf_hppa_howto_table[(int) code].type == (int) code); | |
1646 | return &elf_hppa_howto_table[(int) code]; | |
1647 | } | |
1648 | ||
1649 | return (reloc_howto_type *) 0; | |
1650 | } | |
1651 | ||
1652 | #define bfd_elf32_bfd_reloc_type_lookup elf_hppa_reloc_type_lookup | |
1653 | ||
1654 | ||
1655 | void | |
1656 | DEFUN (elf_hppa_tc_symbol, (abfd, symbolP, sym_idx), | |
1657 | bfd * abfd AND | |
3a70b01d | 1658 | elf_symbol_type * symbolP AND |
e8f2240a KR |
1659 | int sym_idx) |
1660 | { | |
1661 | symext_chainS *symextP; | |
1662 | unsigned int arg_reloc; | |
1663 | ||
3a70b01d | 1664 | /* Only functions can have argument relocations. */ |
e8f2240a KR |
1665 | if (!(symbolP->symbol.flags & BSF_FUNCTION)) |
1666 | return; | |
1667 | ||
e8f2240a KR |
1668 | arg_reloc = symbolP->tc_data.hppa_arg_reloc; |
1669 | ||
3a70b01d KR |
1670 | /* If there are no argument relocation bits, then no relocation is |
1671 | necessary. Do not add this to the symextn section. */ | |
1672 | if (arg_reloc == 0) | |
1673 | return; | |
1674 | ||
e8f2240a KR |
1675 | symextP = (symext_chainS *) bfd_alloc (abfd, sizeof (symext_chainS) * 2); |
1676 | ||
1677 | symextP[0].entry = ELF32_HPPA_SX_WORD (HPPA_SXT_SYMNDX, sym_idx); | |
1678 | symextP[0].next = &symextP[1]; | |
1679 | ||
1680 | symextP[1].entry = ELF32_HPPA_SX_WORD (HPPA_SXT_ARG_RELOC, arg_reloc); | |
1681 | symextP[1].next = NULL; | |
1682 | ||
1683 | if (symext_rootP == NULL) | |
1684 | { | |
1685 | symext_rootP = &symextP[0]; | |
1686 | symext_lastP = &symextP[1]; | |
1687 | } | |
1688 | else | |
1689 | { | |
1690 | symext_lastP->next = &symextP[0]; | |
1691 | symext_lastP = &symextP[1]; | |
1692 | } | |
1693 | } | |
1694 | ||
d9ad93bc KR |
1695 | /* Accessor function for the list of symbol extension records. */ |
1696 | symext_chainS *elf32_hppa_get_symextn_chain() | |
1697 | { | |
1698 | return symext_rootP; | |
1699 | } | |
1700 | ||
1701 | static symext_entryS *symextn_contents; | |
1702 | static unsigned int symextn_contents_real_size; | |
e8f2240a KR |
1703 | |
1704 | void | |
1705 | DEFUN (elf_hppa_tc_make_sections, (abfd, ignored), | |
1706 | bfd * abfd AND | |
1707 | PTR ignored) | |
1708 | { | |
1709 | symext_chainS *symextP; | |
e8f2240a KR |
1710 | int size; |
1711 | int n; | |
1712 | int i; | |
e8f2240a KR |
1713 | void hppa_elf_stub_finish (); /* forward declaration */ |
1714 | asection *symextn_sec; | |
1715 | ||
1716 | hppa_elf_stub_finish (abfd); | |
1717 | ||
1718 | if (symext_rootP == NULL) | |
1719 | return; | |
1720 | ||
1721 | for (n = 0, symextP = symext_rootP; symextP; symextP = symextP->next, ++n) | |
1722 | ; | |
1723 | ||
1724 | size = sizeof (symext_entryS) * n; | |
1725 | symextn_sec = bfd_get_section_by_name (abfd, SYMEXTN_SECTION_NAME); | |
1726 | if (symextn_sec == (asection *) 0) | |
1727 | { | |
1728 | symextn_sec = bfd_make_section (abfd, SYMEXTN_SECTION_NAME); | |
1729 | bfd_set_section_flags (abfd, | |
1730 | symextn_sec, | |
1731 | SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE | SEC_READONLY); | |
1732 | symextn_sec->output_section = symextn_sec; | |
1733 | symextn_sec->output_offset = 0; | |
1734 | bfd_set_section_alignment (abfd, symextn_sec, 2); | |
1735 | } | |
1736 | symextn_contents = (symext_entryS *) bfd_alloc (abfd, size); | |
1737 | ||
1738 | for (i = 0, symextP = symext_rootP; symextP; symextP = symextP->next, ++i) | |
1739 | symextn_contents[i] = symextP->entry; | |
1740 | symextn_contents_real_size = size; | |
1741 | bfd_set_section_size (abfd, symextn_sec, symextn_contents_real_size); | |
1742 | ||
1743 | return; | |
1744 | } | |
1745 | ||
1746 | /* Support for HP PA-RISC stub generation. | |
1747 | ||
1748 | Written by | |
1749 | ||
1750 | Center for Software Science | |
1751 | Department of Computer Science | |
1752 | University of Utah | |
1753 | ||
1754 | */ | |
1755 | ||
1756 | /* | |
1757 | HP-PA calling conventions state: | |
1758 | ||
1759 | 1. an argument relocation stub is required whenever the callee and | |
1760 | caller argument relocation bits do not match exactly. The exception | |
1761 | to this rule is if either the caller or callee argument relocation | |
1762 | bit are 00 (do not relocate). | |
1763 | ||
1764 | 2. The linker can optionally add a symbol record for the stub so that | |
1765 | the stub can be reused. The symbol record will be the same as the | |
1766 | original export symbol record, except that the relocation bits will | |
1767 | reflect the input of the stub, the type would be STUB and the symbol | |
1768 | value will be the location of the relocation stub. | |
1769 | ||
1770 | Other notes: | |
1771 | ||
1772 | Stubs can be inserted *before* the section of the caller. The stubs | |
1773 | can be treated as calls to code that manipulates the arguments. | |
1774 | ||
1775 | */ | |
1776 | ||
1777 | typedef enum | |
1778 | { | |
1779 | HPPA_STUB_ILLEGAL, | |
1780 | HPPA_STUB_ARG_RELOC, | |
1781 | HPPA_STUB_LONG_BRANCH | |
1782 | } hppa_stub_type; | |
1783 | ||
1784 | symext_entryS | |
1785 | elf32_hppa_get_sym_extn (abfd, sym, type) | |
1786 | bfd *abfd; | |
1787 | asymbol *sym; | |
1788 | int type; | |
1789 | { | |
1790 | /* This function finds the symbol extension record of the */ | |
1791 | /* specified type for the specified symbol. It returns the */ | |
1792 | /* value of the symbol extension record. */ | |
1793 | symext_entryS retval; | |
1794 | ||
1795 | switch (type) | |
1796 | { | |
1797 | case HPPA_SXT_NULL: | |
1798 | retval = (symext_entryS) 0; | |
1799 | break; | |
1800 | case HPPA_SXT_SYMNDX: | |
1801 | retval = (symext_entryS) 0; /* XXX: need to fix this */ | |
1802 | break; | |
1803 | case HPPA_SXT_ARG_RELOC: | |
1804 | { | |
3a70b01d | 1805 | elf_symbol_type *esymP = (elf_symbol_type *) sym; |
e8f2240a KR |
1806 | |
1807 | retval = (symext_entryS) esymP->tc_data.hppa_arg_reloc; | |
1808 | break; | |
1809 | } | |
d9ad93bc KR |
1810 | /* This should never happen. */ |
1811 | default: | |
1812 | abort(); | |
e8f2240a KR |
1813 | } |
1814 | return retval; | |
1815 | } | |
1816 | ||
3a70b01d KR |
1817 | typedef struct elf32_hppa_stub_name_list_struct |
1818 | { | |
1819 | /* name of this stub */ | |
1820 | asymbol *sym; | |
1821 | /* stub description for this stub */ | |
1822 | struct elf32_hppa_stub_description_struct *stub_desc; | |
1823 | /* pointer into stub contents */ | |
1824 | int *stub_secp; | |
1825 | /* size of this stub */ | |
1826 | unsigned size; | |
1827 | /* next stub name entry */ | |
1828 | struct elf32_hppa_stub_name_list_struct *next; | |
1829 | } elf32_hppa_stub_name_list; | |
1830 | ||
1831 | typedef struct elf32_hppa_stub_description_struct | |
e8f2240a | 1832 | { |
3a70b01d KR |
1833 | struct elf32_hppa_stub_description_struct *next; |
1834 | bfd *this_bfd; /* bfd to which this stub applies */ | |
e8f2240a | 1835 | asection *stub_sec; /* stub section for this bfd */ |
3a70b01d | 1836 | unsigned relocs_allocated_cnt; /* count of relocations for this stub section */ |
e8f2240a KR |
1837 | unsigned real_size; |
1838 | unsigned allocated_size; | |
1839 | int *stub_secp; /* pointer to the next available location in the buffer */ | |
1840 | char *stub_contents; /* contents of the stubs for this bfd */ | |
3a70b01d | 1841 | elf32_hppa_stub_name_list *stub_listP; |
e8f2240a | 1842 | } |
3a70b01d | 1843 | elf32_hppa_stub_description; |
e8f2240a | 1844 | |
3a70b01d | 1845 | static elf32_hppa_stub_description *elf_hppa_stub_rootP; |
e8f2240a KR |
1846 | |
1847 | /* Locate the stub section information for the given bfd. */ | |
3a70b01d | 1848 | static elf32_hppa_stub_description * |
e8f2240a KR |
1849 | find_stubs (abfd, stub_sec) |
1850 | bfd *abfd; | |
1851 | asection *stub_sec; | |
1852 | { | |
3a70b01d | 1853 | elf32_hppa_stub_description *stubP; |
e8f2240a KR |
1854 | |
1855 | for (stubP = elf_hppa_stub_rootP; stubP; stubP = stubP->next) | |
1856 | { | |
3a70b01d KR |
1857 | if (stubP->this_bfd == abfd |
1858 | && stubP->stub_sec == stub_sec) | |
1859 | return stubP; | |
e8f2240a KR |
1860 | } |
1861 | ||
3a70b01d | 1862 | return (elf32_hppa_stub_description *) NULL; |
e8f2240a KR |
1863 | } |
1864 | ||
3a70b01d | 1865 | static elf32_hppa_stub_description * |
e8f2240a KR |
1866 | new_stub (abfd, stub_sec) |
1867 | bfd *abfd; | |
1868 | asection *stub_sec; | |
1869 | { | |
3a70b01d | 1870 | elf32_hppa_stub_description *stub = find_stubs (abfd, stub_sec); |
e8f2240a KR |
1871 | |
1872 | if (stub) | |
1873 | return stub; | |
1874 | ||
3a70b01d KR |
1875 | stub = (elf32_hppa_stub_description *) bfd_zalloc (abfd, sizeof (elf32_hppa_stub_description)); |
1876 | if (stub) | |
1877 | { | |
1878 | stub->this_bfd = abfd; | |
1879 | stub->stub_sec = stub_sec; | |
1880 | stub->real_size = 0; | |
1881 | stub->allocated_size = 0; | |
1882 | stub->stub_contents = NULL; | |
1883 | stub->stub_secp = NULL; | |
1884 | ||
1885 | stub->next = elf_hppa_stub_rootP; | |
1886 | elf_hppa_stub_rootP = stub; | |
1887 | } | |
1888 | else | |
1889 | { | |
1890 | bfd_error = no_memory; | |
1891 | bfd_perror ("new_stub"); | |
1892 | } | |
e8f2240a KR |
1893 | |
1894 | return stub; | |
1895 | } | |
1896 | ||
3a70b01d KR |
1897 | /* Locate the stub by the given name. */ |
1898 | static elf32_hppa_stub_name_list * | |
1899 | find_stub_by_name (abfd, stub_sec, name) | |
1900 | bfd *abfd; | |
1901 | asection *stub_sec; | |
1902 | char *name; | |
1903 | { | |
1904 | elf32_hppa_stub_description *stub = find_stubs (abfd, stub_sec); | |
1905 | ||
1906 | if (stub) | |
1907 | { | |
1908 | elf32_hppa_stub_name_list *name_listP; | |
1909 | ||
1910 | for (name_listP = stub->stub_listP; name_listP; name_listP = name_listP->next) | |
1911 | { | |
1912 | if (!strcmp (name_listP->sym->name, name)) | |
1913 | return name_listP; | |
1914 | } | |
1915 | } | |
1916 | ||
1917 | return 0; | |
1918 | } | |
1919 | ||
1920 | /* Locate the stub by the given name. */ | |
1921 | static elf32_hppa_stub_name_list * | |
1922 | add_stub_by_name(abfd, stub_sec, sym) | |
1923 | bfd *abfd; | |
1924 | asection *stub_sec; | |
1925 | asymbol *sym; | |
e8f2240a | 1926 | { |
3a70b01d KR |
1927 | elf32_hppa_stub_description *stub = find_stubs (abfd, stub_sec); |
1928 | elf32_hppa_stub_name_list *stub_entry; | |
e8f2240a | 1929 | |
3a70b01d KR |
1930 | if (!stub) |
1931 | stub = new_stub(abfd, stub_sec); | |
e8f2240a | 1932 | |
3a70b01d | 1933 | if (stub) |
e8f2240a | 1934 | { |
3a70b01d KR |
1935 | stub_entry = (elf32_hppa_stub_name_list *) |
1936 | bfd_zalloc (abfd, sizeof (elf32_hppa_stub_name_list)); | |
e8f2240a | 1937 | |
3a70b01d | 1938 | if (stub_entry) |
e8f2240a | 1939 | { |
3a70b01d KR |
1940 | stub_entry->size = 0; |
1941 | stub_entry->sym = sym; | |
1942 | stub_entry->stub_desc = stub; | |
1943 | /* First byte of this stub is the pointer to | |
1944 | the next available location in the stub buffer. */ | |
1945 | stub_entry->stub_secp = stub->stub_secp; | |
1946 | if (stub->stub_listP) | |
1947 | stub_entry->next = stub->stub_listP; | |
1948 | else | |
1949 | stub_entry->next = NULL; | |
1950 | stub->stub_listP = stub_entry; | |
1951 | return stub_entry; | |
4c85cbfa | 1952 | } |
e8f2240a KR |
1953 | else |
1954 | { | |
3a70b01d KR |
1955 | bfd_error = no_memory; |
1956 | bfd_perror("add_stub_by_name"); | |
e8f2240a KR |
1957 | } |
1958 | } | |
3a70b01d KR |
1959 | |
1960 | return (elf32_hppa_stub_name_list *)NULL; | |
e8f2240a KR |
1961 | } |
1962 | ||
1963 | #define ARGUMENTS 0 | |
1964 | #define RETURN_VALUE 1 | |
1965 | ||
1966 | #define NO_ARG_RELOC 0 | |
1967 | #define R_TO_FR 1 | |
d9ad93bc KR |
1968 | #define R01_TO_FR 2 |
1969 | #define R23_TO_FR 3 | |
1970 | #define FR_TO_R 4 | |
1971 | #define FR_TO_R01 5 | |
1972 | #define FR_TO_R23 6 | |
1973 | #define ARG_RELOC_ERR 7 | |
4c85cbfa | 1974 | |
e8f2240a KR |
1975 | #define ARG0 0 |
1976 | #define ARG1 1 | |
1977 | #define ARG2 2 | |
1978 | #define ARG3 3 | |
1979 | #define RETVAL 4 | |
4c85cbfa | 1980 | |
e8f2240a KR |
1981 | #define AR_NO 0 |
1982 | #define AR_GR 1 | |
1983 | #define AR_FR 2 | |
1984 | #define AR_FU 3 | |
d9ad93bc KR |
1985 | /* FP register in arg0/arg1. This value can only appear in the arg0 location. */ |
1986 | #define AR_DBL01 4 | |
1987 | /* FP register in arg2/arg3. This value can only appear in the arg2 location. */ | |
1988 | #define AR_DBL23 5 | |
1989 | ||
1990 | #define AR_WARN(type,loc) \ | |
1991 | fprintf(stderr,"WARNING: Illegal argument relocation: %s for %s\n", \ | |
1992 | reloc_type_strings[type],reloc_loc_strings[loc]) | |
4c85cbfa | 1993 | |
e8f2240a KR |
1994 | static CONST char *CONST reloc_type_strings[] = |
1995 | { | |
d9ad93bc KR |
1996 | "NONE", "GR->FR", "GR0,GR1->FR1", "GR2,GR3->FR3", "FR->GR", "FR->GR0,GR1", "FR->GR2,GR3", "ERROR" |
1997 | }; | |
1998 | ||
1999 | static CONST char *CONST reloc_loc_strings[] = | |
2000 | { | |
2001 | "ARG0", "ARG1", "ARG2", "ARG3", "RETVAL" | |
e8f2240a | 2002 | }; |
4c85cbfa | 2003 | |
d9ad93bc KR |
2004 | static CONST char mismatches[6][6] = |
2005 | { /* CALLEE NONE CALLEE GR CALLEE FR CALLEE FU CALLEE DBL01 CALLEE DBL23 */ | |
e8f2240a | 2006 | /* CALLER NONE */ |
d9ad93bc | 2007 | {NO_ARG_RELOC, NO_ARG_RELOC, NO_ARG_RELOC, ARG_RELOC_ERR, NO_ARG_RELOC, NO_ARG_RELOC}, |
e8f2240a | 2008 | /* CALLER GR */ |
d9ad93bc | 2009 | {NO_ARG_RELOC, NO_ARG_RELOC, R_TO_FR, ARG_RELOC_ERR, R01_TO_FR, ARG_RELOC_ERR}, |
e8f2240a | 2010 | /* CALLER FR */ |
d9ad93bc | 2011 | {NO_ARG_RELOC, FR_TO_R, NO_ARG_RELOC, ARG_RELOC_ERR, ARG_RELOC_ERR}, |
e8f2240a | 2012 | /* CALLER FU */ |
d9ad93bc KR |
2013 | {ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR}, |
2014 | /* CALLER DBL01 */ | |
2015 | {NO_ARG_RELOC, FR_TO_R01, NO_ARG_RELOC, ARG_RELOC_ERR, NO_ARG_RELOC, ARG_RELOC_ERR}, | |
2016 | /* CALLER DBL23 */ | |
2017 | {NO_ARG_RELOC, FR_TO_R23, NO_ARG_RELOC, ARG_RELOC_ERR, ARG_RELOC_ERR, NO_ARG_RELOC}, | |
e8f2240a | 2018 | }; |
4c85cbfa | 2019 | |
d9ad93bc | 2020 | static CONST char retval_mismatches[6][6] = |
3a70b01d | 2021 | { /* CALLEE NONE CALLEE GR CALLEE FR CALLEE FU CALLEE DBL01 CALLEE DBL23 */ |
e8f2240a | 2022 | /* CALLER NONE */ |
d9ad93bc | 2023 | {NO_ARG_RELOC, NO_ARG_RELOC, NO_ARG_RELOC, ARG_RELOC_ERR, NO_ARG_RELOC, NO_ARG_RELOC}, |
e8f2240a | 2024 | /* CALLER GR */ |
3a70b01d | 2025 | {NO_ARG_RELOC, NO_ARG_RELOC, FR_TO_R, ARG_RELOC_ERR, FR_TO_R01, ARG_RELOC_ERR}, |
e8f2240a | 2026 | /* CALLER FR */ |
3a70b01d | 2027 | {NO_ARG_RELOC, R_TO_FR, NO_ARG_RELOC, ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR}, |
e8f2240a | 2028 | /* CALLER FU */ |
d9ad93bc KR |
2029 | {ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR, ARG_RELOC_ERR}, |
2030 | /* CALLER DBL01 */ | |
3a70b01d | 2031 | {NO_ARG_RELOC, R01_TO_FR, NO_ARG_RELOC, ARG_RELOC_ERR, NO_ARG_RELOC, ARG_RELOC_ERR}, |
d9ad93bc | 2032 | /* CALLER DBL23 */ |
3a70b01d | 2033 | {NO_ARG_RELOC, R23_TO_FR, NO_ARG_RELOC, ARG_RELOC_ERR, ARG_RELOC_ERR, NO_ARG_RELOC}, |
e8f2240a KR |
2034 | }; |
2035 | ||
2036 | static int | |
2037 | type_of_mismatch (caller_bits, callee_bits, type) | |
2038 | int caller_bits; | |
2039 | int callee_bits; | |
2040 | int type; | |
2041 | { | |
2042 | switch (type) | |
2043 | { | |
2044 | case ARGUMENTS: | |
2045 | return mismatches[caller_bits][callee_bits]; | |
2046 | case RETURN_VALUE: | |
2047 | return retval_mismatches[caller_bits][callee_bits]; | |
2048 | } | |
2049 | ||
2050 | return 0; | |
2051 | } | |
2052 | ||
2053 | #define EXTRACT_ARBITS(ar,which) ((ar) >> (8-(which*2))) & 3 | |
2054 | ||
3a70b01d KR |
2055 | #define NEW_INSTRUCTION(entry,insn) \ |
2056 | *((entry)->stub_desc->stub_secp)++ = (insn); \ | |
2057 | (entry)->stub_desc->real_size += sizeof(int); \ | |
2058 | (entry)->size += sizeof(int); \ | |
2059 | bfd_set_section_size((entry)->stub_desc->this_bfd, \ | |
2060 | (entry)->stub_desc->stub_sec, \ | |
2061 | (entry)->stub_desc->real_size); | |
e8f2240a | 2062 | |
3a70b01d KR |
2063 | #define CURRENT_STUB_OFFSET(entry) \ |
2064 | ((int)(entry)->stub_desc->stub_secp - (int)(entry)->stub_desc->stub_contents - 4) | |
d9ad93bc KR |
2065 | |
2066 | static boolean stubs_finished = false; | |
2067 | ||
e8f2240a KR |
2068 | void |
2069 | hppa_elf_stub_finish (output_bfd) | |
2070 | bfd *output_bfd; | |
2071 | { | |
2072 | extern bfd_error_vector_type bfd_error_vector; | |
3a70b01d | 2073 | elf32_hppa_stub_description *stub_list = elf_hppa_stub_rootP; |
e8f2240a KR |
2074 | /* All the stubs have been built. Finish up building */ |
2075 | /* stub section. Apply relocations to the section. */ | |
2076 | ||
d9ad93bc KR |
2077 | if ( stubs_finished ) |
2078 | return; | |
2079 | ||
e8f2240a KR |
2080 | for (; stub_list; stub_list = stub_list->next) |
2081 | { | |
3a70b01d | 2082 | if (stub_list->real_size) |
e8f2240a | 2083 | { |
3a70b01d | 2084 | bfd *stub_bfd = stub_list->this_bfd; |
e8f2240a KR |
2085 | asection *stub_sec = bfd_get_section_by_name (stub_bfd, ".hppa_linker_stubs"); |
2086 | bfd_size_type reloc_size; | |
2087 | arelent **reloc_vector; | |
2088 | ||
3a70b01d | 2089 | BFD_ASSERT (stub_sec == stub_list->stub_sec); |
e8f2240a KR |
2090 | reloc_size = bfd_get_reloc_upper_bound (stub_bfd, stub_sec); |
2091 | reloc_vector = (arelent **) alloca (reloc_size); | |
2092 | ||
2093 | BFD_ASSERT (stub_sec); | |
2094 | ||
2095 | /* We are not relaxing the section, so just copy the size info */ | |
2096 | stub_sec->_cooked_size = stub_sec->_raw_size; | |
2097 | stub_sec->reloc_done = true; | |
2098 | ||
2099 | ||
2100 | if (bfd_canonicalize_reloc (stub_bfd, | |
2101 | stub_sec, | |
2102 | reloc_vector, | |
2103 | output_bfd->outsymbols)) | |
2104 | { | |
2105 | arelent **parent; | |
2106 | for (parent = reloc_vector; *parent != (arelent *) NULL; | |
2107 | parent++) | |
2108 | { | |
2109 | bfd_reloc_status_type r = | |
2110 | bfd_perform_relocation (stub_bfd, | |
2111 | *parent, | |
3a70b01d | 2112 | stub_list->stub_contents, |
e8f2240a KR |
2113 | stub_sec, 0); |
2114 | ||
2115 | ||
2116 | if (r != bfd_reloc_ok) | |
2117 | { | |
2118 | switch (r) | |
2119 | { | |
2120 | case bfd_reloc_undefined: | |
2121 | bfd_error_vector.undefined_symbol (*parent, NULL); | |
2122 | break; | |
2123 | case bfd_reloc_dangerous: | |
2124 | bfd_error_vector.reloc_dangerous (*parent, NULL); | |
2125 | break; | |
2126 | case bfd_reloc_outofrange: | |
2127 | case bfd_reloc_overflow: | |
2128 | bfd_error_vector.reloc_value_truncated (*parent, NULL); | |
2129 | break; | |
2130 | default: | |
2131 | abort (); | |
2132 | break; | |
2133 | } | |
2134 | } | |
2135 | } | |
2136 | } | |
2137 | ||
2138 | bfd_set_section_contents (output_bfd, | |
2139 | stub_sec, | |
3a70b01d | 2140 | stub_list->stub_contents, |
e8f2240a | 2141 | 0, |
3a70b01d | 2142 | stub_list->real_size); |
e8f2240a KR |
2143 | |
2144 | free (reloc_vector); | |
2145 | } | |
2146 | } | |
d9ad93bc | 2147 | stubs_finished = true; |
e8f2240a KR |
2148 | } |
2149 | ||
2150 | void | |
2151 | hppa_elf_stub_branch_reloc (stub_desc, /* the bfd */ | |
2152 | output_bfd, /* the output bfd */ | |
d9ad93bc | 2153 | target_sym, /* the target symbol */ |
e8f2240a | 2154 | offset) /* the offset within the stub buffer (pre-calculated) */ |
3a70b01d | 2155 | elf32_hppa_stub_description *stub_desc; |
e8f2240a | 2156 | bfd *output_bfd; |
d9ad93bc | 2157 | asymbol *target_sym; |
e8f2240a KR |
2158 | int offset; |
2159 | { | |
2160 | /* Allocate a new relocation entry. */ | |
2161 | arelent relent; | |
2162 | int size; | |
2163 | ||
2164 | if (stub_desc->relocs_allocated_cnt == stub_desc->stub_sec->reloc_count) | |
2165 | { | |
2166 | if (stub_desc->stub_sec->relocation == NULL) | |
2167 | { | |
2168 | stub_desc->relocs_allocated_cnt = STUB_RELOC_INCR; | |
2169 | size = sizeof (arelent) * stub_desc->relocs_allocated_cnt; | |
2170 | stub_desc->stub_sec->relocation = (arelent *) zalloc (size); | |
2171 | } | |
2172 | else | |
2173 | { | |
2174 | stub_desc->relocs_allocated_cnt += STUB_RELOC_INCR; | |
2175 | size = sizeof (arelent) * stub_desc->relocs_allocated_cnt; | |
2176 | stub_desc->stub_sec->relocation = (arelent *) realloc (stub_desc->stub_sec->relocation, | |
2177 | size); | |
2178 | } | |
2179 | } | |
2180 | ||
2181 | /* Fill in the details. */ | |
2182 | relent.address = offset; | |
2183 | relent.addend = 0; | |
2184 | relent.sym_ptr_ptr = (asymbol **) bfd_zalloc (stub_desc->this_bfd, sizeof (asymbol *)); | |
2185 | BFD_ASSERT (relent.sym_ptr_ptr); | |
2186 | ||
d9ad93bc KR |
2187 | relent.sym_ptr_ptr[0] = target_sym; |
2188 | relent.howto = bfd_reloc_type_lookup (stub_desc->this_bfd, R_HPPA_PCREL_CALL_17); | |
2189 | ||
2190 | /* Save it in the array of relocations for the stub section. */ | |
2191 | ||
2192 | memcpy (&stub_desc->stub_sec->relocation[stub_desc->stub_sec->reloc_count++], | |
2193 | &relent, | |
2194 | sizeof (arelent)); | |
2195 | } | |
2196 | ||
2197 | void | |
2198 | hppa_elf_stub_reloc (stub_desc, /* the bfd */ | |
2199 | output_bfd, /* the output bfd */ | |
2200 | target_sym, /* the target symbol */ | |
2201 | offset, /* the offset within the stub buffer (pre-calculated) */ | |
2202 | type) | |
3a70b01d | 2203 | elf32_hppa_stub_description *stub_desc; |
d9ad93bc KR |
2204 | bfd *output_bfd; |
2205 | asymbol *target_sym; | |
2206 | int offset; | |
2207 | elf32_hppa_reloc_type type; | |
2208 | { | |
2209 | /* Allocate a new relocation entry. */ | |
2210 | arelent relent; | |
2211 | int size; | |
2212 | Elf_Internal_Shdr *rela_hdr; | |
2213 | ||
2214 | if (stub_desc->relocs_allocated_cnt == stub_desc->stub_sec->reloc_count) | |
2215 | { | |
2216 | if (stub_desc->stub_sec->relocation == NULL) | |
2217 | { | |
2218 | stub_desc->relocs_allocated_cnt = STUB_RELOC_INCR; | |
2219 | size = sizeof (arelent) * stub_desc->relocs_allocated_cnt; | |
2220 | stub_desc->stub_sec->relocation = (arelent *) zalloc (size); | |
2221 | } | |
2222 | else | |
2223 | { | |
2224 | stub_desc->relocs_allocated_cnt += STUB_RELOC_INCR; | |
2225 | size = sizeof (arelent) * stub_desc->relocs_allocated_cnt; | |
2226 | stub_desc->stub_sec->relocation = (arelent *) realloc (stub_desc->stub_sec->relocation, | |
2227 | size); | |
2228 | } | |
2229 | } | |
2230 | ||
2231 | rela_hdr = &elf_section_data(stub_desc->stub_sec)->rel_hdr; | |
2232 | rela_hdr->sh_size += sizeof(Elf32_External_Rela); | |
2233 | ||
2234 | /* Fill in the details. */ | |
2235 | relent.address = offset; | |
2236 | relent.addend = 0; | |
2237 | relent.sym_ptr_ptr = (asymbol **) bfd_zalloc (stub_desc->this_bfd, sizeof (asymbol *)); | |
2238 | BFD_ASSERT (relent.sym_ptr_ptr); | |
2239 | ||
2240 | relent.sym_ptr_ptr[0] = target_sym; | |
2241 | relent.howto = bfd_reloc_type_lookup (stub_desc->this_bfd, type); | |
e8f2240a KR |
2242 | |
2243 | /* Save it in the array of relocations for the stub section. */ | |
2244 | ||
2245 | memcpy (&stub_desc->stub_sec->relocation[stub_desc->stub_sec->reloc_count++], | |
2246 | &relent, | |
2247 | sizeof (arelent)); | |
2248 | } | |
2249 | ||
2250 | asymbol * | |
2251 | hppa_elf_build_arg_reloc_stub (abfd, output_bfd, reloc_entry, stub_types) | |
2252 | bfd *abfd; | |
2253 | bfd *output_bfd; | |
2254 | arelent *reloc_entry; | |
2255 | int stub_types[5]; | |
2256 | { | |
2257 | asection *stub_sec = bfd_get_section_by_name (abfd, ".hppa_linker_stubs"); | |
3a70b01d | 2258 | elf32_hppa_stub_description *stub_desc = find_stubs (abfd, stub_sec); |
e8f2240a | 2259 | asymbol *stub_sym = NULL; |
d9ad93bc | 2260 | asymbol *target_sym = reloc_entry->sym_ptr_ptr[0]; |
e8f2240a KR |
2261 | asection *output_text_section = bfd_get_section_by_name (output_bfd, ".text"); |
2262 | int i; | |
2263 | char stub_sym_name[128]; | |
3a70b01d | 2264 | elf32_hppa_stub_name_list *stub_entry; |
e8f2240a KR |
2265 | |
2266 | if (!stub_sec) | |
2267 | { | |
2268 | BFD_ASSERT (stub_desc == NULL); | |
2269 | stub_sec = bfd_make_section (abfd, ".hppa_linker_stubs"); | |
d9ad93bc | 2270 | bfd_set_section_flags (abfd, |
e8f2240a KR |
2271 | stub_sec, |
2272 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_READONLY); | |
2273 | stub_sec->output_section = output_text_section->output_section; | |
2274 | stub_sec->output_offset = 0; | |
d9ad93bc | 2275 | bfd_set_section_alignment (abfd, stub_sec, 2); |
e8f2240a | 2276 | stub_desc = new_stub (abfd, stub_sec); |
e8f2240a KR |
2277 | } |
2278 | ||
2279 | /* make sure we have a stub descriptor structure */ | |
2280 | ||
2281 | if (!stub_desc) | |
3a70b01d | 2282 | stub_desc = new_stub (abfd, stub_sec); |
e8f2240a KR |
2283 | |
2284 | /* allocate some space to write the stub */ | |
2285 | ||
2286 | if (!stub_desc->stub_contents) | |
2287 | { | |
2288 | stub_desc->allocated_size = STUB_BUFFER_INCR; | |
ab00002f | 2289 | stub_desc->stub_contents = (char *) xmalloc (STUB_BUFFER_INCR); |
e8f2240a KR |
2290 | } |
2291 | else if ((stub_desc->allocated_size - stub_desc->real_size) < STUB_MAX_SIZE) | |
2292 | { | |
2293 | stub_desc->allocated_size = stub_desc->allocated_size + STUB_BUFFER_INCR; | |
ab00002f KR |
2294 | stub_desc->stub_contents = (char *) xrealloc (stub_desc->stub_contents, |
2295 | stub_desc->allocated_size); | |
e8f2240a KR |
2296 | } |
2297 | ||
2298 | stub_desc->stub_secp = (int *) (stub_desc->stub_contents + stub_desc->real_size); | |
2299 | ||
e8f2240a | 2300 | sprintf (stub_sym_name, |
3a70b01d | 2301 | "_stub_%s_%02d_%02d_%02d_%02d_%02d", |
e8f2240a | 2302 | reloc_entry->sym_ptr_ptr[0]->name, |
3a70b01d KR |
2303 | stub_types[0], stub_types[1], stub_types[2], stub_types[3], stub_types[4]); |
2304 | stub_entry = find_stub_by_name(abfd, stub_sec, stub_sym_name); | |
e8f2240a | 2305 | |
3a70b01d KR |
2306 | if (stub_entry) |
2307 | { | |
2308 | stub_sym = stub_entry->sym; | |
2309 | /* redirect the original relocation from the old symbol (a function) */ | |
2310 | /* to the stub (the stub calls the function). */ | |
2311 | /* XXX do we need to change the relocation type? */ | |
2312 | reloc_entry->sym_ptr_ptr = (asymbol **) bfd_zalloc (stub_desc->this_bfd, sizeof (asymbol *)); | |
2313 | reloc_entry->sym_ptr_ptr[0] = stub_sym; | |
2314 | } | |
2315 | else | |
2316 | { | |
2317 | /* Stub does not already exist. Create a new stub. */ | |
2318 | /* Create a new symbol to point to this stub */ | |
2319 | stub_sym = bfd_make_empty_symbol (abfd); | |
2320 | stub_sym->name = bfd_zalloc (abfd, strlen (stub_sym_name) + 1); | |
2321 | strcpy ((char *) stub_sym->name, stub_sym_name); | |
2322 | stub_sym->value = (int) stub_desc->stub_secp - (int) stub_desc->stub_contents; | |
2323 | stub_sym->section = stub_sec; | |
2324 | stub_sym->flags = BSF_LOCAL | BSF_FUNCTION; | |
2325 | stub_entry = add_stub_by_name(abfd, stub_sec, stub_sym); | |
2326 | ||
2327 | /* redirect the original relocation from the old symbol (a function) */ | |
2328 | /* to the stub (the stub calls the function). */ | |
2329 | /* XXX do we need to change the relocation type? */ | |
2330 | reloc_entry->sym_ptr_ptr = (asymbol **) bfd_zalloc (stub_desc->this_bfd, sizeof (asymbol *)); | |
2331 | reloc_entry->sym_ptr_ptr[0] = stub_sym; | |
2332 | ||
2333 | /* generate the beginning common section for all stubs */ | |
2334 | ||
2335 | NEW_INSTRUCTION (stub_entry, ADDI_8_SP); | |
2336 | ||
2337 | /* generate the code to move the arguments around */ | |
2338 | for (i = ARG0; i < ARG3; i++) | |
2339 | { | |
2340 | if (stub_types[i] != NO_ARG_RELOC) | |
2341 | { | |
2342 | /* A stub is needed */ | |
2343 | switch (stub_types[i]) | |
2344 | { | |
2345 | case R_TO_FR: | |
2346 | switch (i) | |
2347 | { | |
2348 | case ARG0: | |
2349 | NEW_INSTRUCTION (stub_entry, STWS_ARG0_M8SP); | |
2350 | NEW_INSTRUCTION (stub_entry, FLDWS_M8SP_FARG0); | |
2351 | break; | |
2352 | case ARG1: | |
2353 | NEW_INSTRUCTION (stub_entry, STWS_ARG1_M8SP); | |
2354 | NEW_INSTRUCTION (stub_entry, FLDWS_M8SP_FARG1); | |
2355 | break; | |
2356 | case ARG2: | |
2357 | NEW_INSTRUCTION (stub_entry, STWS_ARG2_M8SP); | |
2358 | NEW_INSTRUCTION (stub_entry, FLDWS_M8SP_FARG2); | |
2359 | break; | |
2360 | case ARG3: | |
2361 | NEW_INSTRUCTION (stub_entry, STWS_ARG3_M8SP); | |
2362 | NEW_INSTRUCTION (stub_entry, FLDWS_M8SP_FARG3); | |
2363 | break; | |
2364 | } | |
2365 | continue; | |
2366 | ||
2367 | case R01_TO_FR: | |
2368 | switch (i) | |
2369 | { | |
2370 | case ARG0: | |
2371 | NEW_INSTRUCTION(stub_entry, STWS_ARG0_M4SP); | |
2372 | NEW_INSTRUCTION(stub_entry, STWS_ARG1_M8SP); | |
2373 | NEW_INSTRUCTION(stub_entry, FLDDS_M8SP_FARG1); | |
2374 | break; | |
2375 | default: | |
2376 | AR_WARN(stub_types[i],i); | |
2377 | break; | |
2378 | } | |
2379 | continue; | |
2380 | ||
2381 | case R23_TO_FR: | |
2382 | switch (i) | |
2383 | { | |
2384 | case ARG2: | |
2385 | NEW_INSTRUCTION(stub_entry, STWS_ARG2_M4SP); | |
2386 | NEW_INSTRUCTION(stub_entry, STWS_ARG3_M8SP); | |
2387 | NEW_INSTRUCTION(stub_entry, FLDDS_M8SP_FARG3); | |
2388 | break; | |
2389 | default: | |
2390 | AR_WARN(stub_types[i],i); | |
2391 | break; | |
2392 | } | |
2393 | continue; | |
2394 | ||
2395 | case FR_TO_R: | |
2396 | switch (i) | |
2397 | { | |
2398 | case ARG0: | |
2399 | NEW_INSTRUCTION (stub_entry, FSTWS_FARG0_M8SP); | |
2400 | NEW_INSTRUCTION (stub_entry, LDWS_M4SP_ARG0); | |
2401 | break; | |
2402 | case ARG1: | |
2403 | NEW_INSTRUCTION (stub_entry, FSTWS_FARG1_M8SP); | |
2404 | NEW_INSTRUCTION (stub_entry, LDWS_M4SP_ARG1); | |
2405 | break; | |
2406 | case ARG2: | |
2407 | NEW_INSTRUCTION (stub_entry, FSTWS_FARG2_M8SP); | |
2408 | NEW_INSTRUCTION (stub_entry, LDWS_M4SP_ARG2); | |
2409 | break; | |
2410 | case ARG3: | |
2411 | NEW_INSTRUCTION (stub_entry, FSTWS_FARG3_M8SP); | |
2412 | NEW_INSTRUCTION (stub_entry, LDWS_M4SP_ARG3); | |
2413 | break; | |
2414 | } | |
2415 | continue; | |
2416 | ||
2417 | case FR_TO_R01: | |
2418 | switch (i) | |
2419 | { | |
2420 | case ARG0: | |
2421 | NEW_INSTRUCTION(stub_entry, FSTDS_FARG1_M8SP); | |
2422 | NEW_INSTRUCTION(stub_entry, LDWS_M4SP_ARG0); | |
2423 | NEW_INSTRUCTION(stub_entry, LDWS_M8SP_ARG1); | |
2424 | break; | |
2425 | default: | |
2426 | AR_WARN(stub_types[i],i); | |
2427 | break; | |
2428 | } | |
2429 | continue; | |
2430 | ||
2431 | case FR_TO_R23: | |
2432 | switch (i) | |
2433 | { | |
2434 | case ARG2: | |
2435 | NEW_INSTRUCTION(stub_entry, FSTDS_FARG3_M8SP); | |
2436 | NEW_INSTRUCTION(stub_entry, LDWS_M4SP_ARG2); | |
2437 | NEW_INSTRUCTION(stub_entry, LDWS_M8SP_ARG3); | |
2438 | break; | |
2439 | default: | |
2440 | AR_WARN(stub_types[i],i); | |
2441 | break; | |
2442 | } | |
2443 | continue; | |
2444 | ||
2445 | } | |
2446 | } | |
2447 | } | |
e8f2240a | 2448 | |
3a70b01d | 2449 | NEW_INSTRUCTION (stub_entry, ADDI_M8_SP); |
e8f2240a | 2450 | |
3a70b01d KR |
2451 | /* generate the branch to the target routine */ |
2452 | NEW_INSTRUCTION (stub_entry, STW_RP_M8SP); /* First, save the return address */ | |
e8f2240a | 2453 | |
3a70b01d KR |
2454 | /* Branch to the target function. */ |
2455 | /* (Make it a long call, so we do not */ | |
2456 | /* have to worry about generating a */ | |
2457 | /* long call stub.) */ | |
2458 | NEW_INSTRUCTION(stub_entry, LDIL_XXX_31); | |
2459 | hppa_elf_stub_reloc (stub_entry->stub_desc, | |
2460 | abfd, /* the output bfd */ | |
2461 | target_sym, /* the target symbol */ | |
2462 | CURRENT_STUB_OFFSET(stub_entry), /* offset in stub buffer */ | |
2463 | R_HPPA_L21); | |
2464 | NEW_INSTRUCTION(stub_entry,BLE_XXX_0_31); | |
2465 | hppa_elf_stub_reloc (stub_entry->stub_desc, | |
2466 | abfd, /* the output bfd */ | |
2467 | target_sym, /* the target symbol */ | |
2468 | CURRENT_STUB_OFFSET(stub_entry), /* offset in stub buffer */ | |
2469 | R_HPPA_ABS_CALL_R17); | |
2470 | NEW_INSTRUCTION(stub_entry,COPY_31_2); | |
2471 | ||
2472 | /* generate the code to move the return value around */ | |
2473 | ||
2474 | NEW_INSTRUCTION (stub_entry, LDW_M8SP_RP); /* restore return address */ | |
2475 | ||
2476 | i = RETVAL; | |
e8f2240a KR |
2477 | if (stub_types[i] != NO_ARG_RELOC) |
2478 | { | |
2479 | /* A stub is needed */ | |
2480 | switch (stub_types[i]) | |
2481 | { | |
2482 | case R_TO_FR: | |
3a70b01d KR |
2483 | NEW_INSTRUCTION (stub_entry, STWS_RET0_M8SP); |
2484 | NEW_INSTRUCTION (stub_entry, FLDWS_M8SP_FRET0); | |
2485 | break; | |
2486 | ||
e8f2240a | 2487 | case FR_TO_R: |
3a70b01d KR |
2488 | NEW_INSTRUCTION (stub_entry, FSTWS_FRET0_M8SP); |
2489 | NEW_INSTRUCTION (stub_entry, LDWS_M4SP_RET0); | |
2490 | break; | |
e8f2240a | 2491 | } |
e8f2240a | 2492 | } |
3a70b01d KR |
2493 | |
2494 | /* generate the ending common section for all stubs */ | |
2495 | ||
2496 | /* XXX: can we assume this is a save return? */ | |
2497 | NEW_INSTRUCTION (stub_entry, BV_N_0RP); | |
e8f2240a KR |
2498 | } |
2499 | ||
e8f2240a KR |
2500 | return stub_sym; |
2501 | } | |
2502 | ||
2503 | int | |
3a70b01d | 2504 | hppa_elf_arg_reloc_needed_p (abfd, reloc_entry, stub_types, caller_ar) |
e8f2240a KR |
2505 | bfd *abfd; |
2506 | arelent *reloc_entry; | |
2507 | int stub_types[5]; | |
3a70b01d | 2508 | symext_entryS caller_ar; |
e8f2240a | 2509 | { |
e8f2240a KR |
2510 | /* If the symbol is still undefined, there is */ |
2511 | /* no way to know if a stub is required. */ | |
2512 | ||
2513 | if (reloc_entry->sym_ptr_ptr[0] && reloc_entry->sym_ptr_ptr[0]->section != &bfd_und_section) | |
2514 | { | |
e8f2240a KR |
2515 | symext_entryS callee_ar = elf32_hppa_get_sym_extn (abfd, |
2516 | reloc_entry->sym_ptr_ptr[0], | |
2517 | HPPA_SXT_ARG_RELOC); | |
2518 | ||
2519 | /* Now, determine if a stub is */ | |
2520 | /* required. A stub is required if they the callee and caller */ | |
2521 | /* argument relocation bits are both nonzero and not equal. */ | |
2522 | ||
2523 | if (caller_ar && callee_ar) | |
2524 | { | |
2525 | /* Both are non-zero, we need to do further checking. */ | |
2526 | /* First, check if there is a return value relocation to be done */ | |
2527 | int caller_loc[5]; | |
2528 | int callee_loc[5]; | |
2529 | ||
2530 | callee_loc[RETVAL] = EXTRACT_ARBITS (callee_ar, RETVAL); | |
2531 | caller_loc[RETVAL] = EXTRACT_ARBITS (caller_ar, RETVAL); | |
2532 | callee_loc[ARG0] = EXTRACT_ARBITS (callee_ar, ARG0); | |
2533 | caller_loc[ARG0] = EXTRACT_ARBITS (caller_ar, ARG0); | |
2534 | callee_loc[ARG1] = EXTRACT_ARBITS (callee_ar, ARG1); | |
2535 | caller_loc[ARG1] = EXTRACT_ARBITS (caller_ar, ARG1); | |
2536 | callee_loc[ARG2] = EXTRACT_ARBITS (callee_ar, ARG2); | |
2537 | caller_loc[ARG2] = EXTRACT_ARBITS (caller_ar, ARG2); | |
2538 | callee_loc[ARG3] = EXTRACT_ARBITS (callee_ar, ARG3); | |
2539 | caller_loc[ARG3] = EXTRACT_ARBITS (caller_ar, ARG3); | |
2540 | ||
2541 | /* Check some special combinations. For */ | |
2542 | /* example, if FU appears in ARG1 or ARG3, we */ | |
2543 | /* can move it to ARG0 or ARG2, respectively. */ | |
2544 | ||
2545 | if (caller_loc[ARG0] == AR_FU || caller_loc[ARG1] == AR_FU) | |
2546 | { | |
d9ad93bc | 2547 | caller_loc[ARG0] = AR_DBL01; |
e8f2240a KR |
2548 | caller_loc[ARG1] = AR_NO; |
2549 | } | |
2550 | if (caller_loc[ARG2] == AR_FU || caller_loc[ARG3] == AR_FU) | |
2551 | { | |
d9ad93bc | 2552 | caller_loc[ARG2] = AR_DBL23; |
e8f2240a KR |
2553 | caller_loc[ARG3] = AR_NO; |
2554 | } | |
2555 | if (callee_loc[ARG0] == AR_FU || callee_loc[ARG1] == AR_FU) | |
2556 | { | |
d9ad93bc | 2557 | callee_loc[ARG0] = AR_DBL01; |
e8f2240a KR |
2558 | callee_loc[ARG1] = AR_NO; |
2559 | } | |
2560 | if (callee_loc[ARG2] == AR_FU || callee_loc[ARG3] == AR_FU) | |
2561 | { | |
d9ad93bc | 2562 | callee_loc[ARG2] = AR_DBL23; |
e8f2240a KR |
2563 | callee_loc[ARG3] = AR_NO; |
2564 | } | |
2565 | ||
2566 | stub_types[ARG0] = type_of_mismatch (caller_loc[ARG0], callee_loc[ARG0], ARGUMENTS); | |
2567 | stub_types[ARG1] = type_of_mismatch (caller_loc[ARG1], callee_loc[ARG1], ARGUMENTS); | |
2568 | stub_types[ARG2] = type_of_mismatch (caller_loc[ARG2], callee_loc[ARG2], ARGUMENTS); | |
2569 | stub_types[ARG3] = type_of_mismatch (caller_loc[ARG3], callee_loc[ARG3], ARGUMENTS); | |
2570 | stub_types[RETVAL] = type_of_mismatch (caller_loc[RETVAL], callee_loc[RETVAL], RETURN_VALUE); | |
2571 | ||
d9ad93bc | 2572 | /* Steps involved in building stubs: */ |
e8f2240a KR |
2573 | /* 1. Determine what argument registers need to relocated. This */ |
2574 | /* step is already done here. */ | |
2575 | /* 2. Build the appropriate stub in the .hppa_linker_stubs section. */ | |
2576 | /* This section should never appear in an object file. It is */ | |
2577 | /* only used internally. The output_section of the */ | |
2578 | /* .hppa_linker_stubs section is the .text section of the */ | |
2579 | /* executable. */ | |
2580 | /* 3. Build a symbol that is used (internally only) as the entry */ | |
2581 | /* point of the stub. */ | |
2582 | /* 4. Change the instruction of the original branch into a branch to */ | |
2583 | /* the stub routine. */ | |
2584 | /* 5. Build a relocation entry for the instruction of the original */ | |
d9ad93bc | 2585 | /* branch to be R_HPPA_PCREL_CALL to the stub routine. */ |
e8f2240a KR |
2586 | |
2587 | ||
2588 | if (stub_types[0] | |
2589 | || stub_types[1] | |
2590 | || stub_types[2] | |
2591 | || stub_types[3] | |
2592 | || stub_types[4]) | |
2593 | { | |
2594 | #ifdef DETECT_STUBS | |
3a70b01d KR |
2595 | int i; |
2596 | ||
e8f2240a KR |
2597 | fprintf (stderr, "Stub needed for %s @ %s+0x%x: callee/caller ar=0x%x/0x%x ", |
2598 | reloc_entry->sym_ptr_ptr[0]->name, | |
2599 | abfd->filename, reloc_entry->address, | |
2600 | callee_ar, caller_ar); | |
2601 | for (i = ARG0; i < RETVAL; i++) | |
2602 | { | |
2603 | if (stub_types[i] != NO_ARG_RELOC) | |
2604 | { | |
2605 | fprintf (stderr, "%s%d: %s ", | |
2606 | i == RETVAL ? "ret" : "arg", | |
2607 | i == RETVAL ? 0 : i, | |
2608 | reloc_type_strings[stub_types[i]]); | |
2609 | } | |
4c85cbfa | 2610 | } |
e8f2240a KR |
2611 | fprintf (stderr, "\n"); |
2612 | #endif | |
2613 | return 1; | |
2614 | } | |
2615 | ||
2616 | } | |
2617 | } | |
2618 | return 0; | |
2619 | } | |
2620 | ||
2621 | asymbol * | |
d9ad93bc KR |
2622 | hppa_elf_build_long_branch_stub (abfd, output_bfd, reloc_entry, symbol, data) |
2623 | bfd *abfd; | |
2624 | bfd *output_bfd; | |
2625 | arelent *reloc_entry; | |
2626 | asymbol *symbol; | |
2627 | unsigned *data; | |
2628 | { | |
2629 | asection *stub_sec = bfd_get_section_by_name (abfd, ".hppa_linker_stubs"); | |
3a70b01d | 2630 | elf32_hppa_stub_description *stub_desc = find_stubs (abfd, stub_sec); |
d9ad93bc KR |
2631 | asymbol *stub_sym = NULL; |
2632 | asymbol *target_sym = reloc_entry->sym_ptr_ptr[0]; | |
d9ad93bc KR |
2633 | asection *output_text_section = bfd_get_section_by_name (output_bfd, ".text"); |
2634 | char stub_sym_name[128]; | |
2635 | int milli = false; | |
3a70b01d | 2636 | elf32_hppa_stub_name_list *stub_entry; |
d9ad93bc KR |
2637 | |
2638 | if (!stub_sec) | |
2639 | { | |
2640 | BFD_ASSERT (stub_desc == NULL); | |
2641 | stub_sec = bfd_make_section (abfd, ".hppa_linker_stubs"); | |
2642 | bfd_set_section_flags (abfd, | |
2643 | stub_sec, | |
2644 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_READONLY); | |
2645 | stub_sec->output_section = output_text_section->output_section; | |
2646 | stub_sec->output_offset = 0; | |
2647 | /* set up the ELF section header for this new section. */ | |
2648 | /* This is basically the same processing as elf_make_sections() */ | |
2649 | /* (elf_make_sections() is static so it is not accessible from */ | |
2650 | /* here.) */ | |
2651 | ||
2652 | { | |
2653 | Elf_Internal_Shdr *this_hdr; | |
2654 | this_hdr = &elf_section_data (stub_sec)->this_hdr; | |
2655 | ||
2656 | this_hdr->sh_addr = stub_sec->vma; | |
2657 | this_hdr->sh_size = stub_sec->_raw_size; | |
2658 | /* contents already set by elf_set_section_contents */ | |
2659 | ||
2660 | if (stub_sec->flags & SEC_RELOC) | |
2661 | { | |
2662 | /* emit a reloc section, and thus strtab and symtab... */ | |
2663 | Elf_Internal_Shdr *rela_hdr; | |
2664 | int use_rela_p = get_elf_backend_data (abfd)->use_rela_p; | |
2665 | ||
2666 | rela_hdr = &elf_section_data (stub_sec)->rel_hdr; | |
2667 | ||
2668 | /* orelocation has the data, reloc_count has the count... */ | |
2669 | if (use_rela_p) | |
2670 | { | |
2671 | rela_hdr->sh_type = SHT_RELA; | |
2672 | rela_hdr->sh_entsize = sizeof (Elf32_External_Rela); | |
2673 | } | |
2674 | else | |
2675 | /* REL relocations */ | |
2676 | { | |
2677 | rela_hdr->sh_type = SHT_REL; | |
2678 | rela_hdr->sh_entsize = sizeof (Elf32_External_Rel); | |
2679 | } | |
2680 | rela_hdr->sh_flags = 0; | |
2681 | rela_hdr->sh_addr = 0; | |
2682 | rela_hdr->sh_offset = 0; | |
2683 | rela_hdr->sh_addralign = 0; | |
2684 | rela_hdr->size = 0; | |
2685 | } | |
2686 | if (stub_sec->flags & SEC_ALLOC) | |
2687 | { | |
2688 | this_hdr->sh_flags |= SHF_ALLOC; | |
2689 | if (stub_sec->flags & SEC_LOAD) | |
2690 | { | |
2691 | /* @@ Do something with sh_type? */ | |
2692 | } | |
2693 | } | |
2694 | if (!(stub_sec->flags & SEC_READONLY)) | |
2695 | this_hdr->sh_flags |= SHF_WRITE; | |
2696 | ||
2697 | if (stub_sec->flags & SEC_CODE) | |
2698 | this_hdr->sh_flags |= SHF_EXECINSTR; | |
2699 | } | |
2700 | ||
2701 | bfd_set_section_alignment (abfd, stub_sec, 2); | |
2702 | stub_desc = new_stub (abfd, stub_sec); | |
d9ad93bc KR |
2703 | } |
2704 | ||
2705 | if (!stub_desc) | |
3a70b01d | 2706 | stub_desc = new_stub (abfd, stub_sec); |
d9ad93bc KR |
2707 | |
2708 | /* allocate some space to write the stub */ | |
2709 | ||
2710 | if (!stub_desc->stub_contents) | |
2711 | { | |
2712 | stub_desc->allocated_size = STUB_BUFFER_INCR; | |
2713 | stub_desc->stub_contents = (char *) malloc (STUB_BUFFER_INCR); | |
2714 | } | |
2715 | else if ((stub_desc->allocated_size - stub_desc->real_size) < STUB_MAX_SIZE) | |
2716 | { | |
2717 | stub_desc->allocated_size = stub_desc->allocated_size + STUB_BUFFER_INCR; | |
2718 | stub_desc->stub_contents = (char *) realloc (stub_desc->stub_contents, | |
2719 | stub_desc->allocated_size); | |
2720 | } | |
2721 | ||
2722 | stub_desc->stub_secp = (int *) (stub_desc->stub_contents + stub_desc->real_size); | |
2723 | ||
d9ad93bc | 2724 | sprintf (stub_sym_name, |
3a70b01d KR |
2725 | "_lb_stub_%s", reloc_entry->sym_ptr_ptr[0]->name); |
2726 | stub_entry = find_stub_by_name(abfd, stub_sec, stub_sym_name); | |
d9ad93bc | 2727 | |
3a70b01d KR |
2728 | if (stub_entry) |
2729 | { | |
2730 | stub_sym = stub_entry->sym; | |
2731 | /* redirect the original relocation from the old symbol (a function) */ | |
2732 | /* to the stub (the stub calls the function). */ | |
2733 | /* XXX do we need to change the relocation type? */ | |
2734 | reloc_entry->sym_ptr_ptr = (asymbol **) bfd_zalloc (stub_desc->this_bfd, sizeof (asymbol *)); | |
2735 | reloc_entry->sym_ptr_ptr[0] = stub_sym; | |
2736 | reloc_entry->howto = bfd_reloc_type_lookup (abfd, R_HPPA_STUB_CALL_17); | |
d9ad93bc KR |
2737 | } |
2738 | else | |
2739 | { | |
3a70b01d KR |
2740 | /* Stub does not already exist. Create a new stub. */ |
2741 | /* create a symbol to point to this stub */ | |
2742 | stub_sym = bfd_make_empty_symbol (abfd); | |
2743 | stub_sym->name = bfd_zalloc (abfd, strlen (stub_sym_name) + 1); | |
2744 | strcpy ((char *) stub_sym->name, stub_sym_name); | |
2745 | stub_sym->value = (int) stub_desc->stub_secp - (int) stub_desc->stub_contents; | |
2746 | stub_sym->section = stub_sec; | |
2747 | stub_sym->flags = BSF_LOCAL | BSF_FUNCTION; | |
2748 | stub_entry = add_stub_by_name(abfd, stub_sec, stub_sym); | |
2749 | ||
2750 | /* redirect the original relocation from the old symbol (a function) */ | |
2751 | /* to the stub (the stub calls the function). */ | |
2752 | /* XXX do we need to change the relocation type? */ | |
2753 | reloc_entry->sym_ptr_ptr = (asymbol **) bfd_zalloc (stub_desc->this_bfd, sizeof (asymbol *)); | |
2754 | reloc_entry->sym_ptr_ptr[0] = stub_sym; | |
2755 | reloc_entry->howto = bfd_reloc_type_lookup (abfd, R_HPPA_STUB_CALL_17); | |
2756 | ||
2757 | /* Build the stub */ | |
2758 | ||
2759 | /* A millicode call? */ | |
2760 | /* If so, the return address comes in on r31 rather than r2 (rp) so a */ | |
2761 | /* slightly different code sequence is needed. */ | |
2762 | if ( ((*data & 0x03e00000) >> 21) == 31 ) | |
2763 | milli = true; | |
2764 | ||
2765 | /* 1. initialization for the call. */ | |
2766 | ||
2767 | NEW_INSTRUCTION(stub_entry, LDSID_31_RP); | |
2768 | NEW_INSTRUCTION(stub_entry, MTSP_RP_SR0); | |
2769 | if ( !milli ) | |
2770 | { | |
2771 | NEW_INSTRUCTION(stub_entry, COPY_31_2); | |
2772 | ||
2773 | NEW_INSTRUCTION(stub_entry, LDIL_XXX_31); | |
2774 | hppa_elf_stub_reloc (stub_desc, | |
2775 | abfd, /* the output bfd */ | |
2776 | target_sym, /* the target symbol */ | |
2777 | CURRENT_STUB_OFFSET(stub_entry), /* offset in stub buffer */ | |
2778 | R_HPPA_L21); | |
2779 | ||
2780 | /* 2. Make the call. */ | |
2781 | ||
2782 | NEW_INSTRUCTION(stub_entry,BE_N_XXX_0_31); | |
2783 | hppa_elf_stub_reloc (stub_desc, | |
2784 | abfd, /* the output bfd */ | |
2785 | target_sym, /* the target symbol */ | |
2786 | CURRENT_STUB_OFFSET(stub_entry), /* offset in stub buffer */ | |
2787 | R_HPPA_ABS_CALL_R17); | |
2788 | /* 3. Branch back to the original location. */ | |
2789 | /* (accomplished with the COPY_31_2 instruction) */ | |
2790 | } | |
2791 | else | |
2792 | { | |
2793 | NEW_INSTRUCTION(stub_entry, STW_31_M24SP); | |
2794 | NEW_INSTRUCTION(stub_entry, LDIL_XXX_RP); | |
2795 | hppa_elf_stub_reloc (stub_desc, | |
2796 | abfd, /* the output bfd */ | |
2797 | target_sym, /* the target symbol */ | |
2798 | CURRENT_STUB_OFFSET(stub_entry), /* offset in stub buffer */ | |
2799 | R_HPPA_L21); | |
2800 | ||
2801 | /* 2. Make the call. */ | |
2802 | ||
2803 | NEW_INSTRUCTION(stub_entry,BLE_XXX_0_RP); | |
2804 | hppa_elf_stub_reloc (stub_desc, | |
2805 | abfd, /* the output bfd */ | |
2806 | target_sym, /* the target symbol */ | |
2807 | CURRENT_STUB_OFFSET(stub_entry), /* offset in stub buffer */ | |
2808 | R_HPPA_ABS_CALL_R17); | |
2809 | NEW_INSTRUCTION(stub_entry,COPY_31_2); | |
2810 | ||
2811 | /* 3. Branch back to the original location. */ | |
2812 | NEW_INSTRUCTION(stub_entry, LDW_M24SP_RP); | |
2813 | NEW_INSTRUCTION(stub_entry, BV_N_0RP); | |
2814 | } | |
d9ad93bc KR |
2815 | } |
2816 | ||
2817 | return stub_sym; | |
2818 | } | |
2819 | ||
2820 | int | |
2821 | hppa_elf_long_branch_needed_p (abfd, asec, reloc_entry, symbol, insn) | |
2822 | bfd *abfd; | |
2823 | asection *asec; | |
2824 | arelent *reloc_entry; | |
2825 | asymbol *symbol; | |
2826 | unsigned insn; | |
2827 | { | |
2828 | long sym_value = get_symbol_value(symbol); | |
2829 | int fmt = reloc_entry->howto->bitsize; | |
2830 | unsigned char op = get_opcode(insn); | |
2831 | unsigned raddr; | |
2832 | ||
2833 | #define too_far(val,num_bits) ((int)(val) > (1<<(num_bits))-1) || ((int)(val) < (-1<<(num_bits))) | |
2834 | ||
2835 | BFD_ASSERT(fmt == hppa_elf_insn2fmt(reloc_entry->howto->type,insn)); | |
2836 | ||
2837 | switch (op) | |
2838 | { | |
2839 | case BL: | |
2840 | raddr = | |
2841 | reloc_entry->address + asec->output_offset + asec->output_section->vma; | |
2842 | if ( too_far(sym_value - raddr,fmt+1) ) | |
2843 | { | |
2844 | #ifdef DETECT_STUBS | |
2845 | fprintf(stderr,"long_branch needed on BL insn: abfd=%s,sym=%s,distance=0x%x\n",abfd->filename,symbol->name,sym_value - reloc_entry->address); | |
2846 | #endif | |
2847 | return 1; | |
2848 | } | |
2849 | break; | |
2850 | } | |
2851 | return 0; | |
2852 | } | |
2853 | ||
2854 | asymbol * | |
2855 | hppa_elf_stub_check (abfd, output_bfd, input_section, reloc_entry, symbol, hit_data) | |
e8f2240a KR |
2856 | bfd *abfd; |
2857 | bfd *output_bfd; | |
d9ad93bc | 2858 | asection *input_section; |
e8f2240a | 2859 | arelent *reloc_entry; |
d9ad93bc KR |
2860 | asymbol *symbol; |
2861 | bfd_byte *hit_data; | |
e8f2240a KR |
2862 | { |
2863 | int stub_types[5]; | |
2864 | ||
2865 | switch (reloc_entry->howto->type) | |
2866 | { | |
2867 | case R_HPPA_ABS_CALL_11: /* Symbol + Addend 11 */ | |
2868 | case R_HPPA_ABS_CALL_14: /* Symbol + Addend 14 */ | |
2869 | case R_HPPA_ABS_CALL_17: /* Symbol + Addend 17 */ | |
2870 | case R_HPPA_ABS_CALL_L21: /* L (Symbol, Addend) 21 */ | |
2871 | case R_HPPA_ABS_CALL_R11: /* R (Symbol, Addend) 11 */ | |
2872 | case R_HPPA_ABS_CALL_R14: /* R (Symbol, Addend) 14 */ | |
2873 | case R_HPPA_ABS_CALL_R17: /* R (Symbol, Addend) 17 */ | |
2874 | case R_HPPA_ABS_CALL_LS21: /* LS(Symbol, Addend) 21 */ | |
2875 | case R_HPPA_ABS_CALL_RS11: /* RS(Symbol, Addend) 11 */ | |
2876 | case R_HPPA_ABS_CALL_RS14: /* RS(Symbol, Addend) 14 */ | |
2877 | case R_HPPA_ABS_CALL_RS17: /* RS(Symbol, Addend) 17 */ | |
2878 | case R_HPPA_ABS_CALL_LD21: /* LD(Symbol, Addend) 21 */ | |
2879 | case R_HPPA_ABS_CALL_RD11: /* RD(Symbol, Addend) 11 */ | |
2880 | case R_HPPA_ABS_CALL_RD14: /* RD(Symbol, Addend) 14 */ | |
2881 | case R_HPPA_ABS_CALL_RD17: /* RD(Symbol, Addend) 17 */ | |
2882 | case R_HPPA_ABS_CALL_LR21: /* LR(Symbol, Addend) 21 */ | |
2883 | case R_HPPA_ABS_CALL_RR14: /* RR(Symbol, Addend) 14 */ | |
2884 | case R_HPPA_ABS_CALL_RR17: /* RR(Symbol, Addend) 17 */ | |
2885 | ||
2886 | case R_HPPA_PCREL_CALL_11: /* Symbol - PC + Addend 11 */ | |
2887 | case R_HPPA_PCREL_CALL_14: /* Symbol - PC + Addend 14 */ | |
2888 | case R_HPPA_PCREL_CALL_17: /* Symbol - PC + Addend 17 */ | |
2889 | case R_HPPA_PCREL_CALL_12: /* Symbol - PC + Addend 12 */ | |
3a70b01d KR |
2890 | case R_HPPA_PCREL_CALL_L21: /* L (Symbol - PC, Addend) 21 */ |
2891 | case R_HPPA_PCREL_CALL_R11: /* R (Symbol - PC, Addend) 11 */ | |
2892 | case R_HPPA_PCREL_CALL_R14: /* R (Symbol - PC, Addend) 14 */ | |
2893 | case R_HPPA_PCREL_CALL_R17: /* R (Symbol - PC, Addend) 17 */ | |
2894 | case R_HPPA_PCREL_CALL_LS21: /* LS(Symbol - PC, Addend) 21 */ | |
2895 | case R_HPPA_PCREL_CALL_RS11: /* RS(Symbol - PC, Addend) 11 */ | |
2896 | case R_HPPA_PCREL_CALL_RS14: /* RS(Symbol - PC, Addend) 14 */ | |
2897 | case R_HPPA_PCREL_CALL_RS17: /* RS(Symbol - PC, Addend) 17 */ | |
2898 | case R_HPPA_PCREL_CALL_LD21: /* LD(Symbol - PC, Addend) 21 */ | |
2899 | case R_HPPA_PCREL_CALL_RD11: /* RD(Symbol - PC, Addend) 11 */ | |
2900 | case R_HPPA_PCREL_CALL_RD14: /* RD(Symbol - PC, Addend) 14 */ | |
2901 | case R_HPPA_PCREL_CALL_RD17: /* RD(Symbol - PC, Addend) 17 */ | |
2902 | case R_HPPA_PCREL_CALL_LR21: /* LR(Symbol - PC, Addend) 21 */ | |
2903 | case R_HPPA_PCREL_CALL_RR14: /* RR(Symbol - PC, Addend) 14 */ | |
2904 | case R_HPPA_PCREL_CALL_RR17: /* RR(Symbol - PC, Addend) 17 */ | |
2905 | { | |
2906 | symext_entryS caller_ar = (symext_entryS) ELF32_HGPPA_R_ARG_RELOC (reloc_entry->addend); | |
2907 | if (hppa_elf_arg_reloc_needed_p (abfd, reloc_entry, stub_types, caller_ar)) | |
2908 | { | |
2909 | /* generate a stub */ | |
2910 | return hppa_elf_build_arg_reloc_stub (abfd, output_bfd, | |
2911 | reloc_entry, stub_types); | |
2912 | } | |
2913 | if (hppa_elf_long_branch_needed_p (abfd, input_section, reloc_entry, | |
2914 | symbol, *(unsigned *)hit_data)) | |
2915 | { | |
2916 | /* generate a stub */ | |
2917 | return hppa_elf_build_long_branch_stub (abfd, output_bfd, | |
2918 | reloc_entry, symbol, | |
2919 | (unsigned *)hit_data); | |
2920 | } | |
2921 | } | |
e8f2240a KR |
2922 | break; |
2923 | ||
2924 | default: | |
2925 | break; | |
e8f2240a KR |
2926 | } |
2927 | return reloc_entry->sym_ptr_ptr[0]; | |
2928 | } | |
2929 | ||
2930 | #define STUB_SYM_BUFFER_INC 5 | |
2931 | ||
2932 | asymbol * | |
d9ad93bc KR |
2933 | hppa_look_for_stubs_in_section (stub_bfd, abfd, output_bfd, asec, syms, new_sym_cnt) |
2934 | bfd *stub_bfd; | |
e8f2240a KR |
2935 | bfd *abfd; |
2936 | bfd *output_bfd; | |
2937 | asection *asec; | |
2938 | asymbol **syms; | |
2939 | int *new_sym_cnt; | |
2940 | { | |
2941 | int i; | |
2942 | int stub_types[5]; | |
2943 | asymbol *new_syms = (asymbol *) NULL; | |
2944 | int new_cnt = 0; | |
2945 | int new_max = 0; | |
2946 | ||
3a70b01d KR |
2947 | /* Relocations are in different places depending on whether this is |
2948 | an output section or an input section. Also, the relocations are | |
2949 | in different forms. Sigh. Luckily, we have | |
2950 | bfd_canonicalize_reloc() to straighten this out for us. */ | |
e8f2240a KR |
2951 | |
2952 | /* if ( asec->orelocation || asec->relocation ) { */ | |
2953 | if (asec->reloc_count > 0) | |
2954 | { | |
2955 | arelent **reloc_vector = (arelent **) alloca (asec->reloc_count * (sizeof (arelent *) + 1)); | |
2956 | ||
2957 | bfd_canonicalize_reloc (abfd, asec, reloc_vector, syms); | |
2958 | for (i = 0; i < asec->reloc_count; i++) | |
2959 | { | |
2960 | #if 0 | |
2961 | arelent *rle; | |
2962 | ||
2963 | if ( asec->orelocation ) | |
2964 | rle = asec->orelocation[i]; | |
2965 | else | |
2966 | rle = asec->relocation+i; | |
2967 | #endif | |
4c85cbfa | 2968 | |
e8f2240a KR |
2969 | arelent *rle = reloc_vector[i]; |
2970 | ||
2971 | switch (rle->howto->type) | |
2972 | { | |
3a70b01d KR |
2973 | case R_HPPA_ABS_CALL_11: /* Symbol + Addend 11 */ |
2974 | case R_HPPA_ABS_CALL_14: /* Symbol + Addend 14 */ | |
2975 | case R_HPPA_ABS_CALL_17: /* Symbol + Addend 17 */ | |
2976 | case R_HPPA_ABS_CALL_L21: /* L (Symbol, Addend) 21 */ | |
2977 | case R_HPPA_ABS_CALL_R11: /* R (Symbol, Addend) 11 */ | |
2978 | case R_HPPA_ABS_CALL_R14: /* R (Symbol, Addend) 14 */ | |
2979 | case R_HPPA_ABS_CALL_R17: /* R (Symbol, Addend) 17 */ | |
2980 | case R_HPPA_ABS_CALL_LS21: /* LS(Symbol, Addend) 21 */ | |
2981 | case R_HPPA_ABS_CALL_RS11: /* RS(Symbol, Addend) 11 */ | |
2982 | case R_HPPA_ABS_CALL_RS14: /* RS(Symbol, Addend) 14 */ | |
2983 | case R_HPPA_ABS_CALL_RS17: /* RS(Symbol, Addend) 17 */ | |
2984 | case R_HPPA_ABS_CALL_LD21: /* LD(Symbol, Addend) 21 */ | |
2985 | case R_HPPA_ABS_CALL_RD11: /* RD(Symbol, Addend) 11 */ | |
2986 | case R_HPPA_ABS_CALL_RD14: /* RD(Symbol, Addend) 14 */ | |
2987 | case R_HPPA_ABS_CALL_RD17: /* RD(Symbol, Addend) 17 */ | |
2988 | case R_HPPA_ABS_CALL_LR21: /* LR(Symbol, Addend) 21 */ | |
2989 | case R_HPPA_ABS_CALL_RR14: /* RR(Symbol, Addend) 14 */ | |
2990 | case R_HPPA_ABS_CALL_RR17: /* RR(Symbol, Addend) 17 */ | |
2991 | ||
2992 | case R_HPPA_PCREL_CALL_11: /* Symbol - PC + Addend 11 */ | |
2993 | case R_HPPA_PCREL_CALL_14: /* Symbol - PC + Addend 14 */ | |
2994 | case R_HPPA_PCREL_CALL_17: /* Symbol - PC + Addend 17 */ | |
2995 | case R_HPPA_PCREL_CALL_12: /* Symbol - PC + Addend 12 */ | |
2996 | case R_HPPA_PCREL_CALL_L21: /* L (Symbol - PC, Addend) 21 */ | |
2997 | case R_HPPA_PCREL_CALL_R11: /* R (Symbol - PC, Addend) 11 */ | |
2998 | case R_HPPA_PCREL_CALL_R14: /* R (Symbol - PC, Addend) 14 */ | |
2999 | case R_HPPA_PCREL_CALL_R17: /* R (Symbol - PC, Addend) 17 */ | |
3000 | case R_HPPA_PCREL_CALL_LS21: /* LS(Symbol - PC, Addend) 21 */ | |
3001 | case R_HPPA_PCREL_CALL_RS11: /* RS(Symbol - PC, Addend) 11 */ | |
3002 | case R_HPPA_PCREL_CALL_RS14: /* RS(Symbol - PC, Addend) 14 */ | |
3003 | case R_HPPA_PCREL_CALL_RS17: /* RS(Symbol - PC, Addend) 17 */ | |
3004 | case R_HPPA_PCREL_CALL_LD21: /* LD(Symbol - PC, Addend) 21 */ | |
3005 | case R_HPPA_PCREL_CALL_RD11: /* RD(Symbol - PC, Addend) 11 */ | |
3006 | case R_HPPA_PCREL_CALL_RD14: /* RD(Symbol - PC, Addend) 14 */ | |
3007 | case R_HPPA_PCREL_CALL_RD17: /* RD(Symbol - PC, Addend) 17 */ | |
3008 | case R_HPPA_PCREL_CALL_LR21: /* LR(Symbol - PC, Addend) 21 */ | |
3009 | case R_HPPA_PCREL_CALL_RR14: /* RR(Symbol - PC, Addend) 14 */ | |
3010 | case R_HPPA_PCREL_CALL_RR17: /* RR(Symbol - PC, Addend) 17 */ | |
3011 | { | |
3012 | symext_entryS caller_ar = (symext_entryS) ELF32_HPPA_R_ARG_RELOC (rle->addend); | |
3013 | if (hppa_elf_arg_reloc_needed_p (abfd, rle, stub_types, | |
3014 | caller_ar)) | |
3015 | { | |
3016 | /* generate a stub */ | |
3017 | /* keep track of the new symbol */ | |
3018 | asymbol *r; | |
d9ad93bc | 3019 | |
3a70b01d KR |
3020 | if (new_cnt == new_max) |
3021 | { | |
3022 | new_max += STUB_SYM_BUFFER_INC; | |
3023 | new_syms = (asymbol *) realloc (new_syms, new_max * sizeof (asymbol)); | |
3024 | } | |
3025 | r = hppa_elf_build_arg_reloc_stub (stub_bfd, output_bfd, | |
3026 | rle, stub_types); | |
3027 | new_syms[new_cnt++] = *r; | |
3028 | } | |
3029 | /* We need to retrieve the section contents to check for | |
3030 | plabel stubs. */ | |
3031 | { | |
3032 | unsigned insn; | |
d9ad93bc | 3033 | |
3a70b01d KR |
3034 | bfd_get_section_contents (abfd, asec, &insn, rle->address, |
3035 | sizeof(insn)); | |
3036 | if (hppa_elf_long_branch_needed_p (abfd, asec, rle, | |
3037 | rle->sym_ptr_ptr[0], | |
3038 | insn)) | |
e8f2240a | 3039 | { |
3a70b01d KR |
3040 | /* generate a stub */ |
3041 | /* keep track of the new symbol */ | |
3042 | asymbol *r; | |
3043 | ||
3044 | if (new_cnt == new_max) | |
3045 | { | |
3046 | new_max += STUB_SYM_BUFFER_INC; | |
3047 | new_syms = (asymbol *) realloc (new_syms, (new_max * sizeof (asymbol))); | |
3048 | } | |
3049 | r = hppa_elf_build_long_branch_stub (stub_bfd, | |
3050 | output_bfd, | |
3051 | rle, | |
3052 | rle->sym_ptr_ptr[0], | |
3053 | &insn); | |
3054 | new_syms[new_cnt++] = *r; | |
e8f2240a | 3055 | } |
e8f2240a | 3056 | } |
3a70b01d KR |
3057 | } |
3058 | break; | |
3059 | ||
3060 | /* Plabels are designed to allow code pointers to be | |
3061 | passed between spaces. These relocations correspond | |
3062 | to the P%, LP%, and RP% field selectors. */ | |
3063 | ||
3064 | case R_HPPA_PLABEL_32: /* F(Plabel(Symbol,Addend),0) 32 */ | |
3065 | case R_HPPA_PLABEL_11: /* F(Plabel(Symbol,Addend),0) 11 */ | |
3066 | case R_HPPA_PLABEL_14: /* F(Plabel(Symbol,Addend),0) 14 */ | |
3067 | case R_HPPA_PLABEL_L21: /* L(Plabel(Symbol,Addend),0) 21 */ | |
3068 | case R_HPPA_PLABEL_R11: /* R(Plabel(Symbol,Addend),0) 11 */ | |
3069 | case R_HPPA_PLABEL_R14: /* R(Plabel(Symbol,Addend),0) 14 */ | |
3070 | /* We need to retrieve the section contents to check for | |
3071 | long branch stubs. */ | |
d9ad93bc | 3072 | { |
3a70b01d KR |
3073 | /* On a plabel relocation, assume the arguments of the |
3074 | caller are set up in general registers. */ | |
3075 | /* 0x155 = ARGW0=CR,ARGW1=GR,ARGW2=GR,RETVAL=GR */ | |
3076 | symext_entryS caller_ar = (symext_entryS) 0x155; | |
d9ad93bc | 3077 | |
3a70b01d KR |
3078 | if (hppa_elf_arg_reloc_needed_p (abfd, rle, stub_types, |
3079 | caller_ar)) | |
d9ad93bc | 3080 | { |
3a70b01d | 3081 | /* generate a plabel stub */ |
d9ad93bc | 3082 | /* keep track of the new symbol */ |
d9ad93bc KR |
3083 | asymbol *r; |
3084 | ||
3085 | if (new_cnt == new_max) | |
3086 | { | |
3087 | new_max += STUB_SYM_BUFFER_INC; | |
3a70b01d KR |
3088 | new_syms = (asymbol *) realloc (new_syms, |
3089 | (new_max | |
3090 | * sizeof (asymbol))); | |
d9ad93bc | 3091 | } |
3a70b01d KR |
3092 | r = hppa_elf_build_arg_reloc_stub (stub_bfd, |
3093 | output_bfd, | |
3094 | rle, | |
3095 | stub_types); | |
d9ad93bc KR |
3096 | new_syms[new_cnt++] = *r; |
3097 | } | |
3098 | } | |
e8f2240a | 3099 | break; |
4c85cbfa | 3100 | |
e8f2240a KR |
3101 | default: |
3102 | break; | |
4c85cbfa | 3103 | |
e8f2240a KR |
3104 | } |
3105 | } | |
3106 | } | |
3107 | *new_sym_cnt = new_cnt; | |
3108 | return new_syms; | |
4c85cbfa KR |
3109 | } |
3110 | ||
d9ad93bc KR |
3111 | |
3112 | char *linker_stubs = NULL; | |
3113 | int linker_stubs_size = 0; | |
3114 | int linker_stubs_max_size = 0; | |
3115 | #define STUB_ALLOC_INCR 100 | |
3116 | ||
3117 | boolean | |
3118 | DEFUN (hppa_elf_set_section_contents, (abfd, section, location, offset, count), | |
3119 | bfd * abfd AND | |
3120 | sec_ptr section AND | |
3121 | PTR location AND | |
3122 | file_ptr offset AND | |
3123 | bfd_size_type count) | |
4c85cbfa | 3124 | { |
d9ad93bc KR |
3125 | if ( strcmp(section->name, ".hppa_linker_stubs") == 0 ) |
3126 | { | |
3127 | if ( linker_stubs_max_size < offset + count ) | |
3128 | { | |
3129 | linker_stubs_max_size = offset + count + STUB_ALLOC_INCR; | |
3130 | linker_stubs = (char *)realloc(linker_stubs, linker_stubs_max_size); | |
3131 | } | |
3132 | ||
3133 | if ( offset + count > linker_stubs_size ) | |
3134 | linker_stubs_size = offset + count; | |
3135 | ||
3136 | memcpy(linker_stubs + offset,location,count); | |
3137 | return (true); | |
3138 | } | |
3139 | else | |
3140 | return bfd_elf32_set_section_contents (abfd, section, location, | |
3141 | offset, count); | |
e8f2240a | 3142 | } |
4c85cbfa | 3143 | |
e8f2240a KR |
3144 | boolean |
3145 | DEFUN (hppa_elf_get_section_contents, (abfd, section, location, offset, count), | |
3146 | bfd * abfd AND | |
3147 | sec_ptr section AND | |
3148 | PTR location AND | |
3149 | file_ptr offset AND | |
3150 | bfd_size_type count) | |
3151 | { | |
3152 | /* if this is the linker stub section, then we have the */ | |
3153 | /* section contents in memory rather than on disk. */ | |
3154 | if (strcmp (section->name, ".hppa_linker_stubs") == 0) | |
3155 | { | |
3a70b01d | 3156 | elf32_hppa_stub_description *stub_desc = find_stubs (abfd, section); |
e8f2240a KR |
3157 | |
3158 | if (count == 0) | |
3159 | return true; | |
3160 | if ((bfd_size_type) (offset + count) > section->_raw_size) | |
3161 | return (false); /* on error */ | |
3162 | if ((bfd_size_type) (offset + count) > stub_desc->real_size) | |
3163 | return (false); /* on error */ | |
3164 | ||
3165 | memcpy (location, stub_desc->stub_contents + offset, count); | |
3166 | return (true); | |
3167 | } | |
3168 | /* if this is the symbol extension section, then we have the */ | |
3169 | /* section contents in memory rather than on disk. */ | |
3170 | else if (strcmp (section->name, ".hppa_symextn") == 0) | |
3171 | { | |
3172 | if (count == 0) | |
3173 | return true; | |
3174 | if ((bfd_size_type) (offset + count) > section->_raw_size) | |
3175 | return (false); /* on error */ | |
3176 | if ((bfd_size_type) (offset + count) > symextn_contents_real_size) | |
3177 | return (false); /* on error */ | |
3178 | ||
3179 | memcpy (location, symextn_contents + offset, count); | |
3180 | return (true); | |
3181 | } | |
3182 | else | |
3a70b01d KR |
3183 | return bfd_generic_get_section_contents (abfd, section, location, offset, |
3184 | count); | |
4c85cbfa KR |
3185 | } |
3186 | ||
8ddd7ab3 KR |
3187 | static void |
3188 | DEFUN (elf_info_to_howto, (abfd, cache_ptr, dst), | |
e8f2240a KR |
3189 | bfd * abfd AND |
3190 | arelent * cache_ptr AND | |
3191 | Elf32_Internal_Rela * dst) | |
4c85cbfa | 3192 | { |
d9ad93bc KR |
3193 | BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_HPPA_UNIMPLEMENTED); |
3194 | cache_ptr->howto = &elf_hppa_howto_table[ELF32_R_TYPE(dst->r_info)]; | |
3195 | } | |
3196 | ||
3197 | static void | |
3198 | DEFUN (elf32_hppa_backend_symbol_processing, (abfd, sym), | |
3199 | bfd * abfd AND | |
3200 | asymbol * sym) | |
3201 | { | |
3202 | /* Is this a definition of $global$? If so, keep it because it will be | |
3203 | needed if any relocations are performed. */ | |
3204 | ||
3205 | if (!strcmp (sym->name, "$global$") | |
3206 | && sym->section != &bfd_und_section) | |
3207 | { | |
3208 | global_symbol = sym; | |
3209 | } | |
3210 | } | |
3211 | ||
3212 | #define elf_backend_symbol_processing elf32_hppa_backend_symbol_processing | |
3213 | ||
3214 | struct elf32_hppa_symextn_map_struct | |
3215 | { | |
3216 | int old_index; | |
3217 | bfd *bfd; | |
3218 | asymbol *sym; | |
3219 | int new_index; | |
3220 | }; | |
3221 | ||
3222 | static struct elf32_hppa_symextn_map_struct *elf32_hppa_symextn_map; | |
3223 | static int elf32_hppa_symextn_map_size; | |
3224 | ||
3225 | static boolean | |
3226 | DEFUN (elf32_hppa_backend_symbol_table_processing, (abfd, esyms,symcnt), | |
3227 | bfd * abfd AND | |
3a70b01d | 3228 | elf_symbol_type *esyms AND |
d9ad93bc KR |
3229 | int symcnt) |
3230 | { | |
3231 | Elf32_Internal_Shdr *symextn_hdr = bfd_elf_find_section (abfd, SYMEXTN_SECTION_NAME); | |
3232 | int i; | |
3233 | int current_sym_idx = 0; | |
3234 | ||
3235 | /* If the symbol extension section does not exist, all the symbol */ | |
3236 | /* all the symbol extension information is assumed to be zero. */ | |
3237 | ||
3238 | if ( symextn_hdr == NULL ) | |
3239 | { | |
3240 | for ( i = 0; i < symcnt; i++ ) | |
3241 | { | |
3242 | esyms[i].tc_data.hppa_arg_reloc = 0; | |
3243 | } | |
3244 | return (true); | |
3245 | } | |
3246 | ||
3247 | /* allocate a buffer of the appropriate size for the symextn section */ | |
3248 | ||
3249 | symextn_hdr->contents = bfd_zalloc(abfd,symextn_hdr->sh_size); | |
3250 | symextn_hdr->size = symextn_hdr->sh_size; | |
3251 | ||
3252 | /* read in the symextn section */ | |
3253 | ||
3254 | if (bfd_seek (abfd, symextn_hdr->sh_offset, SEEK_SET) == -1) | |
3255 | { | |
3256 | bfd_error = system_call_error; | |
3257 | return (false); | |
3258 | } | |
3259 | if (bfd_read ((PTR) symextn_hdr->contents, 1, symextn_hdr->size, abfd) | |
3260 | != symextn_hdr->size) | |
3261 | { | |
3262 | free ((PTR)symextn_hdr->contents); | |
3263 | bfd_error = system_call_error; | |
3264 | return (false); | |
3265 | } | |
3266 | ||
3267 | /* parse the entries, updating the symtab entries as we go */ | |
3268 | ||
3269 | for ( i = 0; i < symextn_hdr->size / sizeof(symext_entryS); i++ ) | |
3270 | { | |
3271 | symext_entryS *seP = ((symext_entryS *)symextn_hdr->contents) + i; | |
3272 | int se_value = ELF32_HPPA_SX_VAL(*seP); | |
3273 | int se_type = ELF32_HPPA_SX_TYPE(*seP); | |
3274 | ||
3275 | switch ( se_type ) | |
3276 | { | |
3277 | case HPPA_SXT_NULL: | |
3278 | break; | |
3279 | ||
3280 | case HPPA_SXT_SYMNDX: | |
3281 | if ( se_value >= symcnt ) | |
3282 | { | |
3283 | bfd_error = bad_value; | |
3284 | bfd_perror("elf32_hppa_backend_symbol_table_processing -- symbol index"); | |
3285 | return (false); | |
3286 | } | |
3287 | current_sym_idx = se_value - 1; | |
3288 | break; | |
3289 | ||
3290 | case HPPA_SXT_ARG_RELOC: | |
3291 | esyms[current_sym_idx].tc_data.hppa_arg_reloc = se_value; | |
3292 | break; | |
3293 | ||
3294 | default: | |
3295 | bfd_error = bad_value; | |
3296 | bfd_perror("elf32_hppa_backend_symbol_table_processing"); | |
3297 | return (false); | |
3298 | } | |
3299 | } | |
3300 | return (true); | |
3301 | } | |
3302 | ||
3303 | #define elf_backend_symbol_table_processing elf32_hppa_backend_symbol_table_processing | |
3304 | ||
3305 | static boolean | |
3306 | DEFUN (elf32_hppa_backend_section_processing, (abfd, secthdr), | |
3307 | bfd * abfd AND | |
3308 | Elf32_Internal_Shdr *secthdr) | |
3309 | { | |
3310 | int i,j,k; | |
3311 | ||
3312 | if ( secthdr->sh_type == SHT_HPPA_SYMEXTN ) | |
3313 | { | |
3314 | for ( i = 0; i < secthdr->size / sizeof(symext_entryS); i++ ) | |
3315 | { | |
3316 | symext_entryS *seP = ((symext_entryS *)secthdr->contents) + i; | |
3317 | int se_value = ELF32_HPPA_SX_VAL(*seP); | |
3318 | int se_type = ELF32_HPPA_SX_TYPE(*seP); | |
3319 | ||
3320 | switch ( se_type ) | |
3321 | { | |
3322 | case HPPA_SXT_NULL: | |
3323 | break; | |
3324 | ||
3325 | case HPPA_SXT_SYMNDX: | |
3326 | for ( j = 0; j < abfd->symcount; j++ ) | |
3327 | { | |
3328 | /* locate the map entry for this symbol, if there is one. */ | |
3329 | /* modify the symbol extension section symbol index entry */ | |
3330 | /* to reflect the new symbol table index */ | |
3331 | ||
3332 | for ( k = 0; k < elf32_hppa_symextn_map_size; k++ ) | |
3333 | { | |
3334 | if ( elf32_hppa_symextn_map[k].old_index == se_value | |
3335 | && elf32_hppa_symextn_map[k].bfd == abfd->outsymbols[j]->the_bfd | |
3336 | && elf32_hppa_symextn_map[k].sym == abfd->outsymbols[j] ) | |
3337 | { | |
3338 | bfd_put_32(abfd, | |
3339 | ELF32_HPPA_SX_WORD (HPPA_SXT_SYMNDX, j), | |
3340 | (char *)seP); | |
3341 | } | |
3342 | } | |
3343 | } | |
3344 | break; | |
3345 | ||
3346 | case HPPA_SXT_ARG_RELOC: | |
3347 | break; | |
3348 | ||
3349 | default: | |
3350 | bfd_error = bad_value; | |
3351 | bfd_perror("elf32_hppa_backend_section_processing"); | |
3352 | return (false); | |
3353 | } | |
3354 | } | |
3355 | } | |
3356 | return true; | |
3357 | } | |
3358 | ||
3359 | #define elf_backend_section_processing elf32_hppa_backend_section_processing | |
3360 | ||
3361 | static boolean | |
3362 | DEFUN (elf32_hppa_backend_section_from_shdr, (abfd, hdr, name), | |
3363 | bfd * abfd AND | |
3364 | Elf32_Internal_Shdr *hdr AND | |
3365 | char * name) | |
3366 | { | |
3367 | asection *newsect; | |
3368 | ||
3369 | if ( hdr->sh_type == SHT_HPPA_SYMEXTN ) | |
3370 | { | |
3371 | BFD_ASSERT ( strcmp(name,".hppa_symextn") == 0 ); | |
3372 | ||
3373 | /* Bits that get saved. This one is real. */ | |
3374 | if (!hdr->rawdata) | |
3375 | { | |
3376 | newsect = bfd_make_section (abfd, name); | |
3377 | if (newsect != NULL) | |
3378 | { | |
3379 | newsect->vma = hdr->sh_addr; | |
3380 | newsect->_raw_size = hdr->sh_size; | |
3381 | newsect->filepos = hdr->sh_offset; /* so we can read back the bits */ | |
3382 | newsect->flags |= SEC_HAS_CONTENTS; | |
3383 | newsect->alignment_power = hdr->sh_addralign; | |
3384 | ||
3385 | if (hdr->sh_flags & SHF_ALLOC) | |
3386 | { | |
3387 | newsect->flags |= SEC_ALLOC; | |
3388 | newsect->flags |= SEC_LOAD; | |
3389 | } | |
3390 | ||
3391 | if (!(hdr->sh_flags & SHF_WRITE)) | |
3392 | newsect->flags |= SEC_READONLY; | |
3393 | ||
3394 | if (hdr->sh_flags & SHF_EXECINSTR) | |
3395 | newsect->flags |= SEC_CODE; /* FIXME: may only contain SOME code */ | |
3396 | else | |
3397 | newsect->flags |= SEC_DATA; | |
3398 | ||
3399 | hdr->rawdata = (void *) newsect; | |
3400 | } | |
3401 | } | |
3402 | return true; | |
3403 | } | |
3404 | return false; | |
3405 | } | |
3406 | ||
3407 | #define elf_backend_section_from_shdr elf32_hppa_backend_section_from_shdr | |
3408 | ||
3409 | static boolean | |
3410 | DEFUN (elf32_hppa_backend_fake_sections, (abfd, secthdr, asect), | |
3411 | bfd * abfd AND | |
3412 | Elf_Internal_Shdr *secthdr AND | |
3413 | asection *asect) | |
3414 | { | |
3415 | ||
3416 | if ( strcmp(asect->name, ".hppa_symextn") == 0 ) | |
3417 | { | |
3418 | secthdr->sh_type = SHT_HPPA_SYMEXTN; | |
3419 | secthdr->sh_flags = 0; | |
3420 | secthdr->sh_info = elf_section_data(asect)->rel_hdr.sh_link; | |
3421 | secthdr->sh_link = elf_onesymtab(abfd); | |
3422 | return true; | |
3423 | } | |
3424 | ||
3425 | if (!strcmp (asect->name, ".hppa_unwind")) | |
3426 | { | |
3427 | secthdr->sh_type = SHT_PROGBITS; | |
3428 | /* Unwind descriptors are not part of the program memory image. */ | |
3429 | secthdr->sh_flags = 0; | |
3430 | secthdr->sh_info = 0; | |
3431 | secthdr->sh_link = 0; | |
3432 | secthdr->sh_entsize = 16; | |
3433 | return true; | |
3434 | } | |
3435 | ||
3436 | return false; | |
3437 | } | |
3438 | ||
3439 | #define elf_backend_fake_sections elf32_hppa_backend_fake_sections | |
3440 | ||
3441 | static boolean | |
3442 | DEFUN (elf32_hppa_backend_section_from_bfd_section, (abfd, hdr, asect), | |
3443 | bfd *abfd AND | |
3444 | Elf32_Internal_Shdr *hdr AND | |
3445 | asection *asect) | |
3446 | { | |
3447 | ||
3448 | if ( hdr->sh_type == SHT_HPPA_SYMEXTN ) | |
3449 | { | |
3450 | if (hdr->rawdata) | |
3451 | { | |
3452 | if (((struct sec *) (hdr->rawdata)) == asect) | |
3453 | { | |
3454 | BFD_ASSERT( strcmp(asect->name, ".hppa_symextn") == 0 ); | |
3455 | return true; | |
3456 | } | |
3457 | } | |
3458 | } | |
3459 | ||
3460 | return false; | |
8ddd7ab3 | 3461 | } |
4c85cbfa | 3462 | |
d9ad93bc KR |
3463 | #define elf_backend_section_from_bfd_section elf32_hppa_backend_section_from_bfd_section |
3464 | ||
3465 | #define bfd_generic_get_section_contents hppa_elf_get_section_contents | |
3466 | #define bfd_elf32_set_section_contents hppa_elf_set_section_contents | |
3467 | ||
e8f2240a | 3468 | #define TARGET_BIG_SYM bfd_elf32_hppa_vec |
8ddd7ab3 KR |
3469 | #define TARGET_BIG_NAME "elf32-hppa" |
3470 | #define ELF_ARCH bfd_arch_hppa | |
3a70b01d | 3471 | #define ELF_MAXPAGESIZE 0x1000 |
8ddd7ab3 KR |
3472 | |
3473 | #include "elf32-target.h" |