xref: /aosp_15_r20/external/elfutils/backends/csky_symbol.c (revision 7304104da70ce23c86437a01be71edd1a2d7f37e)
1*7304104dSAndroid Build Coastguard Worker /* C-SKY specific symbolic name handling.
2*7304104dSAndroid Build Coastguard Worker    Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
3*7304104dSAndroid Build Coastguard Worker    This file is part of elfutils.
4*7304104dSAndroid Build Coastguard Worker 
5*7304104dSAndroid Build Coastguard Worker    This file is free software; you can redistribute it and/or modify
6*7304104dSAndroid Build Coastguard Worker    it under the terms of either
7*7304104dSAndroid Build Coastguard Worker 
8*7304104dSAndroid Build Coastguard Worker      * the GNU Lesser General Public License as published by the Free
9*7304104dSAndroid Build Coastguard Worker        Software Foundation; either version 3 of the License, or (at
10*7304104dSAndroid Build Coastguard Worker        your option) any later version
11*7304104dSAndroid Build Coastguard Worker 
12*7304104dSAndroid Build Coastguard Worker    or
13*7304104dSAndroid Build Coastguard Worker 
14*7304104dSAndroid Build Coastguard Worker      * the GNU General Public License as published by the Free
15*7304104dSAndroid Build Coastguard Worker        Software Foundation; either version 2 of the License, or (at
16*7304104dSAndroid Build Coastguard Worker        your option) any later version
17*7304104dSAndroid Build Coastguard Worker 
18*7304104dSAndroid Build Coastguard Worker    or both in parallel, as here.
19*7304104dSAndroid Build Coastguard Worker 
20*7304104dSAndroid Build Coastguard Worker    elfutils is distributed in the hope that it will be useful, but
21*7304104dSAndroid Build Coastguard Worker    WITHOUT ANY WARRANTY; without even the implied warranty of
22*7304104dSAndroid Build Coastguard Worker    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23*7304104dSAndroid Build Coastguard Worker    General Public License for more details.
24*7304104dSAndroid Build Coastguard Worker 
25*7304104dSAndroid Build Coastguard Worker    You should have received copies of the GNU General Public License and
26*7304104dSAndroid Build Coastguard Worker    the GNU Lesser General Public License along with this program.  If
27*7304104dSAndroid Build Coastguard Worker    not, see <http://www.gnu.org/licenses/>.  */
28*7304104dSAndroid Build Coastguard Worker 
29*7304104dSAndroid Build Coastguard Worker #ifdef HAVE_CONFIG_H
30*7304104dSAndroid Build Coastguard Worker # include <config.h>
31*7304104dSAndroid Build Coastguard Worker #endif
32*7304104dSAndroid Build Coastguard Worker 
33*7304104dSAndroid Build Coastguard Worker #include <assert.h>
34*7304104dSAndroid Build Coastguard Worker #include <elf.h>
35*7304104dSAndroid Build Coastguard Worker #include <stddef.h>
36*7304104dSAndroid Build Coastguard Worker #include <string.h>
37*7304104dSAndroid Build Coastguard Worker 
38*7304104dSAndroid Build Coastguard Worker #define BACKEND csky_
39*7304104dSAndroid Build Coastguard Worker #include "libebl_CPU.h"
40*7304104dSAndroid Build Coastguard Worker 
41*7304104dSAndroid Build Coastguard Worker /* Check for the simple reloc types.  */
42*7304104dSAndroid Build Coastguard Worker Elf_Type
csky_reloc_simple_type(Ebl * ebl,int type,int * addsub)43*7304104dSAndroid Build Coastguard Worker csky_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
44*7304104dSAndroid Build Coastguard Worker 			int *addsub __attribute__ ((unused)))
45*7304104dSAndroid Build Coastguard Worker {
46*7304104dSAndroid Build Coastguard Worker   switch (type)
47*7304104dSAndroid Build Coastguard Worker     {
48*7304104dSAndroid Build Coastguard Worker     case R_CKCORE_ADDR32:
49*7304104dSAndroid Build Coastguard Worker       return ELF_T_WORD;
50*7304104dSAndroid Build Coastguard Worker     default:
51*7304104dSAndroid Build Coastguard Worker       return ELF_T_NUM;
52*7304104dSAndroid Build Coastguard Worker     }
53*7304104dSAndroid Build Coastguard Worker }
54*7304104dSAndroid Build Coastguard Worker 
55*7304104dSAndroid Build Coastguard Worker bool
csky_machine_flag_check(GElf_Word flags)56*7304104dSAndroid Build Coastguard Worker csky_machine_flag_check (GElf_Word flags)
57*7304104dSAndroid Build Coastguard Worker {
58*7304104dSAndroid Build Coastguard Worker   switch (flags & EF_CSKY_ABIMASK)
59*7304104dSAndroid Build Coastguard Worker     {
60*7304104dSAndroid Build Coastguard Worker     case EF_CSKY_ABIV2:
61*7304104dSAndroid Build Coastguard Worker       return true;
62*7304104dSAndroid Build Coastguard Worker     case EF_CSKY_ABIV1:
63*7304104dSAndroid Build Coastguard Worker     default:
64*7304104dSAndroid Build Coastguard Worker       return false;
65*7304104dSAndroid Build Coastguard Worker     }
66*7304104dSAndroid Build Coastguard Worker }
67*7304104dSAndroid Build Coastguard Worker 
68*7304104dSAndroid Build Coastguard Worker const char *
csky_section_type_name(int type,char * buf,size_t len)69*7304104dSAndroid Build Coastguard Worker csky_section_type_name (int type,
70*7304104dSAndroid Build Coastguard Worker 		       char *buf __attribute__ ((unused)),
71*7304104dSAndroid Build Coastguard Worker 		       size_t len __attribute__ ((unused)))
72*7304104dSAndroid Build Coastguard Worker {
73*7304104dSAndroid Build Coastguard Worker   if (type == SHT_CSKY_ATTRIBUTES)
74*7304104dSAndroid Build Coastguard Worker     return "CSKY_ATTRIBUTES";
75*7304104dSAndroid Build Coastguard Worker 
76*7304104dSAndroid Build Coastguard Worker   return NULL;
77*7304104dSAndroid Build Coastguard Worker }
78