1 /* Override generic sotruss-lib.c to define actual functions for MIPS.
2    Copyright (C) 2012-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library.  If not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 #define HAVE_ARCH_PLTENTER
20 #define HAVE_ARCH_PLTEXIT
21 
22 #include <elf/sotruss-lib.c>
23 
24 #if _MIPS_SIM == _ABIO32
25 
26 ElfW(Addr)
la_mips_o32_gnu_pltenter(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,La_mips_32_regs * regs,unsigned int * flags,const char * symname,long int * framesizep)27 la_mips_o32_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
28 			  unsigned int ndx __attribute__ ((unused)),
29 			  uintptr_t *refcook, uintptr_t *defcook,
30 			  La_mips_32_regs *regs, unsigned int *flags,
31 			  const char *symname, long int *framesizep)
32 {
33   print_enter (refcook, defcook, symname,
34 	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
35 	       *flags);
36 
37   /* No need to copy anything, we will not need the parameters in any case.  */
38   *framesizep = 0;
39 
40   return sym->st_value;
41 }
42 
43 unsigned int
la_mips_o32_gnu_pltexit(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,const struct La_mips_32_regs * inregs,struct La_mips_32_retval * outregs,const char * symname)44 la_mips_o32_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
45 			 uintptr_t *defcook,
46 			 const struct La_mips_32_regs *inregs,
47 			 struct La_mips_32_retval *outregs,
48 			 const char *symname)
49 {
50   print_exit (refcook, defcook, symname, outregs->lrv_v0);
51 
52   return 0;
53 }
54 
55 #elif _MIPS_SIM == _ABIN32
56 
57 ElfW(Addr)
la_mips_n32_gnu_pltenter(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,La_mips_64_regs * regs,unsigned int * flags,const char * symname,long int * framesizep)58 la_mips_n32_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
59 			  unsigned int ndx __attribute__ ((unused)),
60 			  uintptr_t *refcook, uintptr_t *defcook,
61 			  La_mips_64_regs *regs, unsigned int *flags,
62 			  const char *symname, long int *framesizep)
63 {
64   print_enter (refcook, defcook, symname,
65 	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
66 	       *flags);
67 
68   /* No need to copy anything, we will not need the parameters in any case.  */
69   *framesizep = 0;
70 
71   return sym->st_value;
72 }
73 
74 unsigned int
la_mips_n32_gnu_pltexit(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,const struct La_mips_64_regs * inregs,struct La_mips_64_retval * outregs,const char * symname)75 la_mips_n32_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
76 			 uintptr_t *defcook,
77 			 const struct La_mips_64_regs *inregs,
78 			 struct La_mips_64_retval *outregs,
79 			 const char *symname)
80 {
81   print_exit (refcook, defcook, symname, outregs->lrv_v0);
82 
83   return 0;
84 }
85 
86 #else
87 
88 ElfW(Addr)
la_mips_n64_gnu_pltenter(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,La_mips_64_regs * regs,unsigned int * flags,const char * symname,long int * framesizep)89 la_mips_n64_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
90 			  unsigned int ndx __attribute__ ((unused)),
91 			  uintptr_t *refcook, uintptr_t *defcook,
92 			  La_mips_64_regs *regs, unsigned int *flags,
93 			  const char *symname, long int *framesizep)
94 {
95   print_enter (refcook, defcook, symname,
96 	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
97 	       *flags);
98 
99   /* No need to copy anything, we will not need the parameters in any case.  */
100   *framesizep = 0;
101 
102   return sym->st_value;
103 }
104 
105 unsigned int
la_mips_n64_gnu_pltexit(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,const struct La_mips_64_regs * inregs,struct La_mips_64_retval * outregs,const char * symname)106 la_mips_n64_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
107 			 uintptr_t *defcook,
108 			 const struct La_mips_64_regs *inregs,
109 			 struct La_mips_64_retval *outregs,
110 			 const char *symname)
111 {
112   print_exit (refcook, defcook, symname, outregs->lrv_v0);
113 
114   return 0;
115 }
116 
117 #endif
118