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stack.h

stack.h 3.0 KB
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  1. /* SPARC stack layout Macros and structures,
    2. 

  2.  * mainly taken from BCC (the Bare C compiler for
    3. 

  3.  * SPARC LEON2/3) sources.
    4. 

  4.  *
    5. 

  5.  * (C) Copyright 2007
    6. 

  6.  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
    7. 

  7.  *
    8. 

  8.  * SPDX-License-Identifier:	GPL-2.0+
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef __SPARC_STACK_H__
    12. 

  12. #define __SPARC_STACK_H__
    13. 

  13. 

  14. #include <asm/ptrace.h>
    15. 

  15. 

  16. #ifndef __ASSEMBLER__
    17. 

  17. 

  18. #ifdef __cplusplus
    19. 

  19. extern "C" {
    20. 

  20. #endif
    21. 

  21. 

  22. #define PT_REGS_SZ   sizeof(struct pt_regs)
    23. 

  23. 

  24. /* A Sparc stack frame */
    25. 

  25. 	struct sparc_stackframe_regs {
    26. 

  26. 		unsigned long sf_locals[8];
    27. 

  27. 		unsigned long sf_ins[6];
    28. 

  28. 		struct sparc_stackframe_regs *sf_fp;
    29. 

  29. 		unsigned long sf_callers_pc;
    30. 

  30. 		char *sf_structptr;
    31. 

  31. 		unsigned long sf_xargs[6];
    32. 

  32. 		unsigned long sf_xxargs[1];
    33. 

  33. 	};
    34. 

  34. #define SF_REGS_SZ sizeof(struct sparc_stackframe_regs)
    35. 

  35. 

  36. /* A register window */
    37. 

  37. 	struct sparc_regwindow_regs {
    38. 

  38. 		unsigned long locals[8];
    39. 

  39. 		unsigned long ins[8];
    40. 

  40. 	};
    41. 

  41. #define RW_REGS_SZ sizeof(struct sparc_regwindow_regs)
    42. 

  42. 

  43. /* A fpu window */
    44. 

  44. 	struct sparc_fpuwindow_regs {
    45. 

  45. 		unsigned long locals[32];
    46. 

  46. 		unsigned long fsr;
    47. 

  47. 		unsigned long lastctx;
    48. 

  48. 	};
    49. 

  49. #define FW_REGS_SZ sizeof(struct sparc_fpuwindow_regs)
    50. 

  50. 

  51. #ifdef __cplusplus
    52. 

  52. }
    53. 

  53. #endif
    54. 

  54. #else
    55. 

  55. #define PT_REGS_SZ	0x50	/* 20*4 */
    56. 

  56. #define SF_REGS_SZ	0x60	/* 24*4 */
    57. 

  57. #define RW_REGS_SZ	0x20	/* 16*4 */
    58. 

  58. #define FW_REGS_SZ	0x88	/* 34*4 */
    59. 

  59. #endif				/* !ASM */
    60. 

  60. 

  61. /* These are for pt_regs. */
    62. 

  62. #define PT_PSR		0x0
    63. 

  63. #define PT_PC		0x4
    64. 

  64. #define PT_NPC		0x8
    65. 

  65. #define PT_Y		0xc
    66. 

  66. #define PT_G0		0x10
    67. 

  67. #define PT_WIM		PT_G0
    68. 

  68. #define PT_G1		0x14
    69. 

  69. #define PT_G2		0x18
    70. 

  70. #define PT_G3		0x1c
    71. 

  71. #define PT_G4		0x20
    72. 

  72. #define PT_G5		0x24
    73. 

  73. #define PT_G6		0x28
    74. 

  74. #define PT_G7		0x2c
    75. 

  75. #define PT_I0		0x30
    76. 

  76. #define PT_I1		0x34
    77. 

  77. #define PT_I2		0x38
    78. 

  78. #define PT_I3		0x3c
    79. 

  79. #define PT_I4		0x40
    80. 

  80. #define PT_I5		0x44
    81. 

  81. #define PT_I6		0x48
    82. 

  82. #define PT_FP		PT_I6
    83. 

  83. #define PT_I7		0x4c
    84. 

  84. 

  85. /* Stack_frame offsets */
    86. 

  86. #define SF_L0		0x00
    87. 

  87. #define SF_L1		0x04
    88. 

  88. #define SF_L2		0x08
    89. 

  89. #define SF_L3		0x0c
    90. 

  90. #define SF_L4		0x10
    91. 

  91. #define SF_L5		0x14
    92. 

  92. #define SF_L6		0x18
    93. 

  93. #define SF_L7		0x1c
    94. 

  94. #define SF_I0		0x20
    95. 

  95. #define SF_I1		0x24
    96. 

  96. #define SF_I2		0x28
    97. 

  97. #define SF_I3		0x2c
    98. 

  98. #define SF_I4		0x30
    99. 

  99. #define SF_I5		0x34
    100. 

  100. #define SF_FP		0x38
    101. 

  101. #define SF_PC		0x3c
    102. 

  102. #define SF_RETP		0x40
    103. 

  103. #define SF_XARG0	0x44
    104. 

  104. #define	SF_XARG1	0x48
    105. 

  105. #define	SF_XARG2	0x4c
    106. 

  106. #define	SF_XARG3	0x50
    107. 

  107. #define	SF_XARG4	0x54
    108. 

  108. #define	SF_XARG5	0x58
    109. 

  109. #define	SF_XXARG	0x5c
    110. 

  110. 

  111. /* Reg_window offsets */
    112. 

  112. #define RW_L0		0x00
    113. 

  113. #define RW_L1		0x04
    114. 

  114. #define RW_L2		0x08
    115. 

  115. #define RW_L3		0x0c
    116. 

  116. #define RW_L4		0x10
    117. 

  117. #define RW_L5		0x14
    118. 

  118. #define RW_L6		0x18
    119. 

  119. #define RW_L7		0x1c
    120. 

  120. #define RW_I0		0x20
    121. 

  121. #define RW_I1		0x24
    122. 

  122. #define RW_I2		0x28
    123. 

  123. #define RW_I3		0x2c
    124. 

  124. #define RW_I4		0x30
    125. 

  125. #define RW_I5		0x34
    126. 

  126. #define RW_I6		0x38
    127. 

  127. #define RW_I7		0x3c
    128. 

  128. 

  129. /* Fpu_window offsets */
    130. 

  130. #define FW_F0		0x00
    131. 

  131. #define FW_F2		0x08
    132. 

  132. #define FW_F4		0x10
    133. 

  133. #define FW_F6		0x18
    134. 

  134. #define FW_F8		0x20
    135. 

  135. #define FW_F10		0x28
    136. 

  136. #define FW_F12		0x30
    137. 

  137. #define FW_F14		0x38
    138. 

  138. #define FW_F16		0x40
    139. 

  139. #define FW_F18		0x48
    140. 

  140. #define FW_F20		0x50
    141. 

  141. #define FW_F22		0x58
    142. 

  142. #define FW_F24		0x60
    143. 

  143. #define FW_F26		0x68
    144. 

  144. #define FW_F28		0x70
    145. 

  145. #define FW_F30		0x78
    146. 

  146. #define FW_FSR		0x80
    147. 

  147. 

  148. #endif
    149.