FreeCalypso > hg > freecalypso-reveng
annotate leo-obj/tool/thumbdis.c @ 150:df01a4f4c272
tiobjd disasm -g: dump of function locals implemented
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Tue, 29 Apr 2014 07:51:28 +0000 |
parents | daeaa5950d10 |
children | 4d7f36110f1c |
rev | line source |
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111
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1 /* |
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2 * Thumb state disassembly |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <stdlib.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include "intstruct.h" |
133
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11 #include "coffconst.h" |
111
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12 #include "globals.h" |
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13 |
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14 extern unsigned get_u16(), get_u32(); |
115
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15 extern struct internal_reloc *find_word32_reloc(); |
111
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16 |
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17 extern char *regnames[16], *condition_decode[16], *shift_types[4]; |
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18 |
133
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19 extern int auto_xlat_section_relocs; |
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20 |
111
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21 static void |
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22 format_1_2(word) |
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23 unsigned word; |
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24 { |
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25 unsigned op, imm; |
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26 |
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27 op = (word >> 11) & 3; |
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28 if (op != 3) { |
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29 /* format 1 */ |
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30 imm = (word >> 6) & 0x1F; |
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31 if (op != 0 && imm == 0) |
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32 imm = 32; |
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33 printf("%s\t%s, %s, #%u\n", shift_types[op], regnames[word&7], |
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34 regnames[(word>>3)&7], imm); |
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35 return; |
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36 } |
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37 /* format 2 */ |
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38 printf("%s\t%s, %s, ", word&0x200 ? "sub" : "add", regnames[word&7], |
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39 regnames[(word>>3)&7]); |
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40 if (word & 0x400) |
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41 printf("#%u\n", (word >> 6) & 7); |
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42 else |
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43 printf("%s\n", regnames[(word >> 6) & 7]); |
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44 } |
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45 |
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46 static void |
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47 format_3(word) |
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48 unsigned word; |
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49 { |
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50 static char *opctab[4] = {"mov", "cmp", "add", "sub"}; |
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51 unsigned imm; |
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52 |
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53 imm = word & 0xFF; |
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54 printf("%s\t%s, #%u", opctab[(word>>11)&3], regnames[(word>>8)&7], imm); |
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55 if (imm > 9) |
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56 printf("\t; 0x%x", imm); |
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57 putchar('\n'); |
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58 } |
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59 |
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60 static void |
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61 format_4(word) |
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62 unsigned word; |
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63 { |
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64 static char *opc[16] = {"and", "eor", "lsl", "lsr", |
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65 "asr", "adc", "sbc", "ror", |
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66 "tst", "neg", "cmp", "cmn", |
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67 "orr", "mul", "bic", "mvn"}; |
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68 |
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69 printf("%s\t%s, %s\n", opc[(word>>6)&0xF], regnames[word&7], |
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70 regnames[(word>>3)&7]); |
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71 } |
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72 |
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73 static void |
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74 format_5_bx(word) |
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75 unsigned word; |
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76 { |
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77 if (word & 0x80) |
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78 printf("<invalid: blx instead of bx>\n"); |
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79 else |
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80 printf("bx\t%s\n", regnames[(word>>3)&0xF]); |
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81 } |
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82 |
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83 static void |
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84 format_5_hiops(word) |
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85 unsigned word; |
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86 { |
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87 static char *opctab[3] = {"add", "cmp", "mov"}; |
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88 int reg1, reg2, op; |
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89 |
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90 if (word & 0xC0) { |
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91 reg1 = word & 7; |
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92 if (word & 0x80) |
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93 reg1 += 8; |
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94 reg2 = (word >> 3) & 0xF; |
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95 op = (word >> 8) & 3; |
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96 if (op == 2 && reg1 == reg2 && reg1 != 15) |
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97 printf("nop\t\t\t(mov %s, %s)\n", |
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98 regnames[reg1], regnames[reg2]); |
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99 else |
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100 printf("%s\t%s, %s\n", opctab[op], |
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101 regnames[reg1], regnames[reg2]); |
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102 } else |
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103 printf("<invalid: hi-reg format with both low regs>\n"); |
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104 } |
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105 |
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106 static void |
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107 format_5(word) |
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108 unsigned word; |
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109 { |
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110 if ((word & 0x300) == 0x300) |
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111 format_5_bx(word); |
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112 else |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
113 format_5_hiops(word); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
114 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
115 |
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|
116 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
117 format_6(sec, off, word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
118 struct internal_scnhdr *sec; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
119 unsigned off, word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
120 { |
113
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111
diff
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|
121 unsigned loff, litoff, datum; |
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111
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|
122 struct internal_reloc *rel; |
111
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|
123 |
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|
124 loff = (word & 0xFF) << 2; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
125 off &= ~3; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
126 off += 4; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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127 litoff = off + loff; |
113
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111
diff
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|
128 if (litoff+4 <= sec->size) { |
115
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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113
diff
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|
129 rel = find_word32_reloc(sec, litoff); |
113
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111
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130 datum = get_u32(filemap + sec->data_offset + litoff); |
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111
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131 printf("ldr\t%s, =", regnames[(word>>8)&7]); |
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111
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|
132 if (rel) |
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111
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|
133 disasm_reloc_target(sec, rel, datum); |
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111
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|
134 else |
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111
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|
135 printf("0x%x", datum); |
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111
diff
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|
136 printf("\t; via 0x%x\n", litoff); |
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111
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|
137 } else |
111
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|
138 printf("ldr\t%s, [pc, #%u]\t(0x%x)\n", regnames[(word>>8)&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
139 loff, litoff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
140 } |
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|
141 |
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|
142 static void |
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|
143 format_7(word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
144 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
145 { |
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|
146 printf("%s%s\t%s, [%s, %s]\n", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
147 word&0x400 ? "b" : "", regnames[word&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
148 regnames[(word>>3)&7], regnames[(word>>6)&7]); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
149 } |
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|
150 |
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|
151 static void |
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|
152 format_8(word) |
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|
153 unsigned word; |
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|
154 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
155 static char *opc[4] = {"strh", "ldrsb", "ldrh", "ldrsh"}; |
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|
156 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
157 printf("%s\t%s, [%s, %s]\n", opc[(word>>10)&3], regnames[word&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
158 regnames[(word>>3)&7], regnames[(word>>6)&7]); |
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|
159 } |
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|
160 |
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|
161 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
162 format_9(word) |
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|
163 unsigned word; |
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|
164 { |
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|
165 unsigned loff; |
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|
166 |
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|
167 loff = (word >> 6) & 0x1F; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
168 if (!(word & 0x1000)) |
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diff
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|
169 loff <<= 2; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
170 printf("%s%s\t%s, [%s, #%u]", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
171 word&0x1000 ? "b" : "", regnames[word&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
172 regnames[(word>>3)&7], loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
173 if (loff >= 10) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
174 printf("\t; 0x%x", loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
175 putchar('\n'); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
176 } |
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|
177 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
178 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
179 format_10(word) |
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diff
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|
180 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
181 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
182 unsigned loff; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
183 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
184 loff = (word >> 6) & 0x1F; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
185 loff <<= 1; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
186 printf("%sh\t%s, [%s, #%u]", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
187 regnames[word&7], regnames[(word>>3)&7], loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
188 if (loff >= 10) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
189 printf("\t; 0x%x", loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
190 putchar('\n'); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
191 } |
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|
192 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
193 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
194 format_11(word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
195 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
196 { |
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diff
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|
197 unsigned loff; |
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|
198 |
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|
199 loff = (word & 0xFF) << 2; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
200 printf("%s\t%s, [sp, #%u]", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
201 regnames[(word>>8)&7], loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
202 if (loff >= 10) |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
203 printf("\t; 0x%x", loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
204 putchar('\n'); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
205 } |
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diff
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|
206 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
207 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
208 format_12(off, word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
209 unsigned off, word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
210 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
211 unsigned loff; |
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|
212 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
213 loff = (word & 0xFF) << 2; |
122
ca82528ec84d
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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117
diff
changeset
|
214 printf("add\t%s, ", regnames[(word>>8)&7]); |
ca82528ec84d
tiobjd Thumb disasm: compute results of adding to pc
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
215 if (word & 0x800) { |
ca82528ec84d
tiobjd Thumb disasm: compute results of adding to pc
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
216 printf("sp, #%u", loff); |
ca82528ec84d
tiobjd Thumb disasm: compute results of adding to pc
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
217 if (loff >= 10) |
ca82528ec84d
tiobjd Thumb disasm: compute results of adding to pc
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
218 printf("\t; 0x%x", loff); |
ca82528ec84d
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
219 putchar('\n'); |
ca82528ec84d
tiobjd Thumb disasm: compute results of adding to pc
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
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|
220 } else { |
ca82528ec84d
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
221 off &= ~3; |
ca82528ec84d
tiobjd Thumb disasm: compute results of adding to pc
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
222 printf("pc, #%u\t; 0x%x\n", loff, off + 4 + loff); |
ca82528ec84d
tiobjd Thumb disasm: compute results of adding to pc
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
117
diff
changeset
|
223 } |
111
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
224 } |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
225 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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226 static void |
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227 format_13(word) |
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228 unsigned word; |
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229 { |
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|
230 unsigned loff; |
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231 |
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232 if ((word & 0xFF00) != 0xB000) { |
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233 printf("<invalid format 13>\n"); |
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234 return; |
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235 } |
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236 loff = (word & 0x7F) << 2; |
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237 printf("%s\tsp, #%u", word&0x80 ? "sub" : "add", loff); |
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238 if (loff >= 10) |
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239 printf("\t; 0x%x", loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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240 putchar('\n'); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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241 } |
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242 |
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243 static void |
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244 format_14(word) |
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245 unsigned word; |
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|
246 { |
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|
247 int r, flag; |
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248 |
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249 if ((word & 0xF600) != 0xB400) { |
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|
250 printf("<invalid format 14>\n"); |
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251 return; |
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252 } |
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253 printf("%s\t{", word&0x800 ? "pop" : "push"); |
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254 flag = 0; |
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255 for (r = 0; r < 9; r++) |
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256 if (word & (1 << r)) { |
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257 if (flag) |
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258 fputs(", ", stdout); |
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259 if (r == 8) |
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260 fputs(word&0x800 ? "pc" : "lr", stdout); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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261 else |
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262 fputs(regnames[r], stdout); |
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263 flag = 1; |
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264 } |
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|
265 putchar('}'); |
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266 putchar('\n'); |
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267 } |
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268 |
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269 static void |
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270 format_15(word) |
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271 unsigned word; |
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272 { |
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273 int r, flag; |
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274 |
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275 printf("%sia\t%s!, {", word&0x800 ? "ldm" : "stm", |
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276 regnames[(word>>8)&7]); |
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277 flag = 0; |
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278 for (r = 0; r < 8; r++) |
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279 if (word & (1 << r)) { |
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280 if (flag) |
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281 fputs(", ", stdout); |
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282 fputs(regnames[r], stdout); |
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|
283 flag = 1; |
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284 } |
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|
285 putchar('}'); |
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286 putchar('\n'); |
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|
287 } |
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|
288 |
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|
289 static void |
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290 format_16_17(off, word) |
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|
291 unsigned off, word; |
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|
292 { |
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|
293 unsigned cond; |
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|
294 unsigned dest; |
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|
295 |
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|
296 cond = (word >> 8) & 0xF; |
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|
297 switch (cond) { |
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|
298 case 0xE: |
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|
299 printf("<invalid: bal>\n"); |
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|
300 return; |
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|
301 case 0xF: |
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|
302 printf("swi\t0x%x\n", word & 0xFF); |
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|
303 return; |
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|
304 } |
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|
305 dest = (word & 0xFF) << 1; |
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|
306 if (dest & 0x00000100) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
307 dest |= 0xFFFFFE00; |
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|
308 dest += off + 4; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
309 printf("b%s\t0x%x\n", condition_decode[cond], dest); |
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|
310 } |
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|
311 |
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|
312 static void |
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|
313 format_18(off, word) |
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|
314 unsigned off, word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
315 { |
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|
316 unsigned dest; |
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|
317 |
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|
318 if (word & 0x800) { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
319 printf("<invalid format 18>\n"); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
320 return; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
321 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
322 dest = (word & 0x7FF) << 1; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
323 if (dest & 0x00000800) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
324 dest |= 0xFFFFF000; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
325 dest += off + 4; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
326 printf("b\t0x%x\n", dest); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
327 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
328 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
329 void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
330 thumb_disasm_line(sec, off) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
331 struct internal_scnhdr *sec; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
332 unsigned off; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
333 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
334 unsigned word; |
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diff
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|
335 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
336 word = get_u16(filemap + sec->data_offset + off); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
337 printf("%04x\t\t", word); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
338 switch (word >> 12) { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
339 case 0: |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
340 case 1: |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
341 format_1_2(word); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
342 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
343 case 2: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
344 case 3: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
345 format_3(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
346 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
347 case 4: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
348 if (word & 0x800) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
349 format_6(sec, off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
350 else if (word & 0x400) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
351 format_5(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
352 else |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
353 format_4(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
354 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
355 case 5: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
356 if (word & 0x200) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
357 format_8(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
358 else |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
359 format_7(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
360 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
361 case 6: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
362 case 7: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
363 format_9(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
364 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
365 case 8: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
366 format_10(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
367 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
368 case 9: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
369 format_11(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
370 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
371 case 0xA: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
372 format_12(off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
373 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
374 case 0xB: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
375 if (word & 0x400) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
376 format_14(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
377 else |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
378 format_13(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
379 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
380 case 0xC: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
381 format_15(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
382 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
383 case 0xD: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
384 format_16_17(off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
385 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
386 case 0xE: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
387 format_18(off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
388 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
389 case 0xF: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
390 printf("<half-bl>\n"); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
391 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
392 } |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
393 } |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
394 |
133
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
395 static char * |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
396 bl_norel_find_symbol(sec, dest) |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
397 struct internal_scnhdr *sec; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
398 unsigned dest; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
399 { |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
400 struct internal_syment *sym; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
401 unsigned n; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
402 |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
403 for (n = 0; n < sec->nsymbols; n++) { |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
404 sym = sec->sorted_symbols[n]; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
405 if (sym->value > dest) |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
406 break; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
407 if (sym->value < dest) |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
408 continue; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
409 if (sym->class != C_EXT && sym->class != C_STAT) |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
410 continue; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
411 if (sym->name[0] == '$') |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
412 return(sym->name); |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
413 } |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
414 return(0); |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
415 } |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
416 |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
417 thumb_check_bl(sec, off) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
418 struct internal_scnhdr *sec; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
419 unsigned off; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
420 { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
421 unsigned ins1, ins2; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
422 unsigned dest; |
133
daeaa5950d10
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
423 char *destsym; |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
424 |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
425 ins1 = get_u16(filemap + sec->data_offset + off); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
426 if ((ins1 & 0xF800) != 0xF000) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
427 return(0); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
428 ins2 = get_u16(filemap + sec->data_offset + off + 2); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
429 if ((ins2 & 0xF800) != 0xF800) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
430 return(0); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
431 /* match */ |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
432 dest = ((ins1 & 0x7FF) << 12) | ((ins2 & 0x7FF) << 1); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
433 if (dest & 0x00400000) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
434 dest |= 0xFF800000; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
435 dest += off + 4; |
133
daeaa5950d10
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
436 printf("%04x %04x\tbl\t", ins1, ins2); |
daeaa5950d10
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
437 destsym = bl_norel_find_symbol(sec, dest); |
daeaa5950d10
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
438 if (destsym) |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
439 printf("%s\t; ", destsym); |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
440 printf("0x%x\n", dest); |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
441 return(1); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
442 } |
117
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
443 |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
444 void |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
445 thumb_bl_reloc(sec, rel) |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
446 struct internal_scnhdr *sec; |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
447 struct internal_reloc *rel; |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
448 { |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
449 unsigned ins1, ins2; |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
450 unsigned dest; |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
451 |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
452 ins1 = get_u16(filemap + sec->data_offset + rel->location); |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
453 ins2 = get_u16(filemap + sec->data_offset + rel->location + 2); |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
|
454 printf("%04x %04x R\t", ins1, ins2); |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
115
diff
changeset
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455 if ((ins1 & 0xF800) != 0xF000 || (ins2 & 0xF800) != 0xF800) { |
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456 printf("<invalid Thumb_BL reloc: opcode not BL>\n"); |
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457 return; |
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458 } |
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459 dest = ((ins1 & 0x7FF) << 12) | ((ins2 & 0x7FF) << 1); |
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460 if (dest & 0x00400000) |
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461 dest |= 0xFF800000; |
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462 dest += rel->location + 4; |
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463 fputs("bl\t", stdout); |
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464 disasm_reloc_target(sec, rel, dest); |
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465 putchar('\n'); |
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466 } |