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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [sim/] [ppc/] [registers.c] - Blame information for rev 26

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/*  This file is part of the program psim.
 
    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    */
 
 
#ifndef _REGISTERS_C_
#define _REGISTERS_C_
 
#include <ctype.h>
 
#include "basics.h"
#include "registers.h"
 
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
 
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
 
 
INLINE_REGISTERS\
(void)
registers_dump(registers *registers)
{
  int i;
  int j;
  for (i = 0; i < 8; i++) {
    printf_filtered("GPR %2d:", i*4);
    for (j = 0; j < 4; j++) {
      printf_filtered(" 0x%08lx", (long)registers->gpr[i*4 + j]);
    }
    printf_filtered("\n");
  }
}
 
STATIC_INLINE_REGISTERS\
(sprs)
find_spr(const char name[])
{
  sprs spr;
  for (spr = 0; spr < nr_of_sprs; spr++)
    if (spr_is_valid(spr)
        && !strcmp(name, spr_name(spr))
        && spr_index(spr) == spr)
      return spr;
  return nr_of_sprs;
}
 
STATIC_INLINE_REGISTERS\
(int)
are_digits(const char *digits)
{
  while (isdigit(*digits))
    digits++;
  return *digits == '\0';
}
 
 
INLINE_REGISTERS\
(register_descriptions)
register_description(const char reg[])
{
  register_descriptions description;
 
  /* try for a general-purpose integer or floating point register */
  if (reg[0] == 'r' && are_digits(reg + 1)) {
    description.type = reg_gpr;
    description.index = atoi(reg+1);
    description.size = sizeof(gpreg);
  }
  else if (reg[0] == 'f' && are_digits(reg + 1)) {
    description.type = reg_fpr;
    description.index = atoi(reg+1);
    description.size = sizeof(fpreg);
  }
  else if (!strcmp(reg, "pc") || !strcmp(reg, "nia")) {
    description.type = reg_pc;
    description.index = 0;
    description.size = sizeof(unsigned_word);
  }
  else if (!strcmp(reg, "sp")) {
    description.type = reg_gpr;
    description.index = 1;
    description.size = sizeof(gpreg);
  }
  else if (!strcmp(reg, "toc")) {
    description.type = reg_gpr;
    description.index = 2;
    description.size = sizeof(gpreg);
  }
  else if (!strcmp(reg, "cr") || !strcmp(reg, "cnd")) {
    description.type = reg_cr;
    description.index = 0;
    description.size = sizeof(creg); /* FIXME */
  }
  else if (!strcmp(reg, "msr") || !strcmp(reg, "ps")) {
    description.type = reg_msr;
    description.index = 0;
    description.size = sizeof(msreg);
  }
  else if (!strcmp(reg, "fpscr")) {
    description.type = reg_fpscr;
    description.index = 0;
    description.size = sizeof(fpscreg);
  }
  else if (!strncmp(reg, "sr", 2) && are_digits(reg + 2)) {
    description.type = reg_sr;
    description.index = atoi(reg+2);
    description.size = sizeof(sreg);
  }
  else if (!strcmp(reg, "cnt")) {
    description.type = reg_spr;
    description.index = spr_ctr;
    description.size = sizeof(spreg);
  }
  else if (!strcmp(reg, "insns")) {
    description.type = reg_insns;
    description.index = spr_ctr;
    description.size = sizeof(unsigned_word);
  }
  else if (!strcmp(reg, "stalls")) {
    description.type = reg_stalls;
    description.index = spr_ctr;
    description.size = sizeof(unsigned_word);
  }
  else if (!strcmp(reg, "cycles")) {
    description.type = reg_cycles;
    description.index = spr_ctr;
    description.size = sizeof(unsigned_word);
  }
#ifdef WITH_ALTIVEC
  else if (reg[0] == 'v' && reg[1] == 'r' && are_digits(reg + 2)) {
    description.type = reg_vr;
    description.index = atoi(reg+2);
    description.size = sizeof(vreg);
  }
   else if (!strcmp(reg, "vscr")) {
    description.type = reg_vscr;
    description.index = 0;
    description.size = sizeof(vscreg);
  }
#endif
#ifdef WITH_E500
  else if (reg[0] == 'e' && reg[1] == 'v' && are_digits(reg + 2)) {
    description.type = reg_evr;
    description.index = atoi(reg+2);
    description.size = sizeof(unsigned64);
  }
  else if (reg[0] == 'r' && reg[1] == 'h' && are_digits(reg + 2)) {
    description.type = reg_gprh;
    description.index = atoi(reg+2);
    description.size = sizeof(gpreg);
  }
  else if (!strcmp(reg, "acc")) {
    description.type = reg_acc;
    description.index = 0;
    description.size = sizeof(unsigned64);
  }
#endif
  else {
    sprs spr = find_spr(reg);
    if (spr != nr_of_sprs) {
      description.type = reg_spr;
      description.index = spr;
      description.size = sizeof(spreg);
    }
    else {
      description.type = reg_invalid;
      description.index = 0;
      description.size = 0;
    }
  }
  return description;
}
 
#endif /* _REGISTERS_C_ */

Line No.	Rev	Author	Line
1	26	jlechner	`/* This file is part of the program psim.`
2
3			`Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>`
4
5			`This program is free software; you can redistribute it and/or modify`
6			`it under the terms of the GNU General Public License as published by`
7			`the Free Software Foundation; either version 2 of the License, or`
8			`(at your option) any later version.`
9
10			`This program 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`
13			`GNU General Public License for more details.`
14
15			`You should have received a copy of the GNU General Public License`
16			`along with this program; if not, write to the Free Software`
17			`Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.`
18
19			`*/`
20
21
22			`#ifndef _REGISTERS_C_`
23			`#define _REGISTERS_C_`
24
25			`#include <ctype.h>`
26
27			`#include "basics.h"`
28			`#include "registers.h"`
29
30			`#ifdef HAVE_STDLIB_H`
31			`#include <stdlib.h>`
32			`#endif`
33
34			`#ifdef HAVE_STRING_H`
35			`#include <string.h>`
36			`#else`
37			`#ifdef HAVE_STRINGS_H`
38			`#include <strings.h>`
39			`#endif`
40			`#endif`
41
42
43			`INLINE_REGISTERS\`
44			`(void)`
45			`registers_dump(registers *registers)`
46			`{`
47			`int i;`
48			`int j;`
49			`for (i = 0; i < 8; i++) {`
50			`printf_filtered("GPR %2d:", i*4);`
51			`for (j = 0; j < 4; j++) {`
52			`printf_filtered(" 0x%08lx", (long)registers->gpr[i*4 + j]);`
53			`}`
54			`printf_filtered("\n");`
55			`}`
56			`}`
57
58			`STATIC_INLINE_REGISTERS\`
59			`(sprs)`
60			`find_spr(const char name[])`
61			`{`
62			`sprs spr;`
63			`for (spr = 0; spr < nr_of_sprs; spr++)`
64			`if (spr_is_valid(spr)`
65			`&& !strcmp(name, spr_name(spr))`
66			`&& spr_index(spr) == spr)`
67			`return spr;`
68			`return nr_of_sprs;`
69			`}`
70
71			`STATIC_INLINE_REGISTERS\`
72			`(int)`
73			`are_digits(const char *digits)`
74			`{`
75			`while (isdigit(*digits))`
76			`digits++;`
77			`return *digits == '\0';`
78			`}`
79
80
81			`INLINE_REGISTERS\`
82			`(register_descriptions)`
83			`register_description(const char reg[])`
84			`{`
85			`register_descriptions description;`
86
87			`/* try for a general-purpose integer or floating point register */`
88			`if (reg[0] == 'r' && are_digits(reg + 1)) {`
89			`description.type = reg_gpr;`
90			`description.index = atoi(reg+1);`
91			`description.size = sizeof(gpreg);`
92			`}`
93			`else if (reg[0] == 'f' && are_digits(reg + 1)) {`
94			`description.type = reg_fpr;`
95			`description.index = atoi(reg+1);`
96			`description.size = sizeof(fpreg);`
97			`}`
98			`else if (!strcmp(reg, "pc") \|\| !strcmp(reg, "nia")) {`
99			`description.type = reg_pc;`
100			`description.index = 0;`
101			`description.size = sizeof(unsigned_word);`
102			`}`
103			`else if (!strcmp(reg, "sp")) {`
104			`description.type = reg_gpr;`
105			`description.index = 1;`
106			`description.size = sizeof(gpreg);`
107			`}`
108			`else if (!strcmp(reg, "toc")) {`
109			`description.type = reg_gpr;`
110			`description.index = 2;`
111			`description.size = sizeof(gpreg);`
112			`}`
113			`else if (!strcmp(reg, "cr") \|\| !strcmp(reg, "cnd")) {`
114			`description.type = reg_cr;`
115			`description.index = 0;`
116			`description.size = sizeof(creg); /* FIXME */`
117			`}`
118			`else if (!strcmp(reg, "msr") \|\| !strcmp(reg, "ps")) {`
119			`description.type = reg_msr;`
120			`description.index = 0;`
121			`description.size = sizeof(msreg);`
122			`}`
123			`else if (!strcmp(reg, "fpscr")) {`
124			`description.type = reg_fpscr;`
125			`description.index = 0;`
126			`description.size = sizeof(fpscreg);`
127			`}`
128			`else if (!strncmp(reg, "sr", 2) && are_digits(reg + 2)) {`
129			`description.type = reg_sr;`
130			`description.index = atoi(reg+2);`
131			`description.size = sizeof(sreg);`
132			`}`
133			`else if (!strcmp(reg, "cnt")) {`
134			`description.type = reg_spr;`
135			`description.index = spr_ctr;`
136			`description.size = sizeof(spreg);`
137			`}`
138			`else if (!strcmp(reg, "insns")) {`
139			`description.type = reg_insns;`
140			`description.index = spr_ctr;`
141			`description.size = sizeof(unsigned_word);`
142			`}`
143			`else if (!strcmp(reg, "stalls")) {`
144			`description.type = reg_stalls;`
145			`description.index = spr_ctr;`
146			`description.size = sizeof(unsigned_word);`
147			`}`
148			`else if (!strcmp(reg, "cycles")) {`
149			`description.type = reg_cycles;`
150			`description.index = spr_ctr;`
151			`description.size = sizeof(unsigned_word);`
152			`}`
153			`#ifdef WITH_ALTIVEC`
154			`else if (reg[0] == 'v' && reg[1] == 'r' && are_digits(reg + 2)) {`
155			`description.type = reg_vr;`
156			`description.index = atoi(reg+2);`
157			`description.size = sizeof(vreg);`
158			`}`
159			`else if (!strcmp(reg, "vscr")) {`
160			`description.type = reg_vscr;`
161			`description.index = 0;`
162			`description.size = sizeof(vscreg);`
163			`}`
164			`#endif`
165			`#ifdef WITH_E500`
166			`else if (reg[0] == 'e' && reg[1] == 'v' && are_digits(reg + 2)) {`
167			`description.type = reg_evr;`
168			`description.index = atoi(reg+2);`
169			`description.size = sizeof(unsigned64);`
170			`}`
171			`else if (reg[0] == 'r' && reg[1] == 'h' && are_digits(reg + 2)) {`
172			`description.type = reg_gprh;`
173			`description.index = atoi(reg+2);`
174			`description.size = sizeof(gpreg);`
175			`}`
176			`else if (!strcmp(reg, "acc")) {`
177			`description.type = reg_acc;`
178			`description.index = 0;`
179			`description.size = sizeof(unsigned64);`
180			`}`
181			`#endif`
182			`else {`
183			`sprs spr = find_spr(reg);`
184			`if (spr != nr_of_sprs) {`
185			`description.type = reg_spr;`
186			`description.index = spr;`
187			`description.size = sizeof(spreg);`
188			`}`
189			`else {`
190			`description.type = reg_invalid;`
191			`description.index = 0;`
192			`description.size = 0;`
193			`}`
194			`}`
195			`return description;`
196			`}`
197
198			`#endif /* _REGISTERS_C_ */`

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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [sim/] [ppc/] [registers.c] - Blame information for rev 26