gdb/mips-linux-tdep.h - gdb

Data types defined

Macros defined

Source code

  1. /* Target-dependent code for GNU/Linux on MIPS processors.

  3.    Copyright (C) 2006-2015 Free Software Foundation, Inc.

  5.    This file is part of GDB.

  7.    This program is free software; you can redistribute it and/or modify
  8.    it under the terms of the GNU General Public License as published by
  9.    the Free Software Foundation; either version 3 of the License, or
  10.    (at your option) any later version.

  12.    This program is distributed in the hope that it will be useful,
  13.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15.    GNU General Public License for more details.

  17.    You should have received a copy of the GNU General Public License
  18.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  20. /* Copied from <asm/elf.h>.  */
  21. ‌#define ELF_NGREG       45
  22. ‌#define ELF_NFPREG      33

  24. ‌typedef unsigned char mips_elf_greg_t[4];
  25. ‌typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];

  27. ‌typedef unsigned char mips_elf_fpreg_t[8];
  28. ‌typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];

  30. /* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
  31. ‌#define FPR_BASE        32
  32. ‌#define PC                64
  33. ‌#define CAUSE                65
  34. ‌#define BADVADDR        66
  35. ‌#define MMHI                67
  36. ‌#define MMLO                68
  37. ‌#define FPC_CSR                69
  38. ‌#define FPC_EIR                70
  39. ‌#define DSP_BASE        71
  40. ‌#define DSP_CONTROL        77

  42. ‌#define EF_REG0                        6
  43. ‌#define EF_REG31                37
  44. ‌#define EF_LO                        38
  45. ‌#define EF_HI                        39
  46. ‌#define EF_CP0_EPC                40
  47. ‌#define EF_CP0_BADVADDR                41
  48. ‌#define EF_CP0_STATUS                42
  49. ‌#define EF_CP0_CAUSE                43

  51. ‌#define EF_SIZE                        180

  53. void mips_supply_gregset (struct regcache *, const mips_elf_gregset_t *);
  54. void mips_fill_gregset (const struct regcache *, mips_elf_gregset_t *, int);
  55. void mips_supply_fpregset (struct regcache *, const mips_elf_fpregset_t *);
  56. void mips_fill_fpregset (const struct regcache *, mips_elf_fpregset_t *, int);

  58. /* 64-bit support.  */

  60. /* Copied from <asm/elf.h>.  */
  61. ‌#define MIPS64_ELF_NGREG       45
  62. ‌#define MIPS64_ELF_NFPREG      33

  64. ‌typedef unsigned char mips64_elf_greg_t[8];
  65. ‌typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];

  67. ‌typedef unsigned char mips64_elf_fpreg_t[8];
  68. ‌typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];

  70. /* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
  71. ‌#define MIPS64_FPR_BASE                 32
  72. ‌#define MIPS64_PC                       64
  73. ‌#define MIPS64_CAUSE                    65
  74. ‌#define MIPS64_BADVADDR                 66
  75. ‌#define MIPS64_MMHI                     67
  76. ‌#define MIPS64_MMLO                     68
  77. ‌#define MIPS64_FPC_CSR                  69
  78. ‌#define MIPS64_FPC_EIR                  70

  80. ‌#define MIPS64_EF_REG0                         0
  81. ‌#define MIPS64_EF_REG31                        31
  82. ‌#define MIPS64_EF_LO                        32
  83. ‌#define MIPS64_EF_HI                        33
  84. ‌#define MIPS64_EF_CP0_EPC                34
  85. ‌#define MIPS64_EF_CP0_BADVADDR                35
  86. ‌#define MIPS64_EF_CP0_STATUS                36
  87. ‌#define MIPS64_EF_CP0_CAUSE                37

  89. ‌#define MIPS64_EF_SIZE                        304

  91. void mips64_supply_gregset (struct regcache *, const mips64_elf_gregset_t *);
  92. void mips64_fill_gregset (const struct regcache *,
  93.                           mips64_elf_gregset_t *, int);
  94. void mips64_supply_fpregset (struct regcache *,
  95.                              const mips64_elf_fpregset_t *);
  96. void mips64_fill_fpregset (const struct regcache *,
  97.                            mips64_elf_fpregset_t *, int);

  99. enum {
  100.   /* The Linux kernel stores an error code from any interrupted
  101.      syscall in a "register" (in $0's save slot).  */
  102.   MIPS_RESTART_REGNUM = 79
  103. };

  105. /* Return 1 if MIPS_RESTART_REGNUM is usable.  */

  107. int mips_linux_restart_reg_p (struct gdbarch *gdbarch);