FreeCalypso > hg > freecalypso-reveng
annotate leo-obj/tool/thumbdis.c @ 258:61d8d70ca7b0
pirelli/fw-disasm: pwr_short_test_timer_process() analyzed
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 26 Dec 2017 04:12:06 +0000 |
parents | 4d7f36110f1c |
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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" |
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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(); |
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15 extern struct internal_reloc *find_word32_reloc(); |
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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 |
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19 extern int auto_xlat_section_relocs; |
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20 |
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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 int is_mov; |
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27 |
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28 op = (word >> 11) & 3; |
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29 if (op != 3) { |
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30 /* format 1 */ |
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31 imm = (word >> 6) & 0x1F; |
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32 if (op != 0 && imm == 0) |
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33 imm = 32; |
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34 printf("%s\t%s, %s, #%u\n", shift_types[op], regnames[word&7], |
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35 regnames[(word>>3)&7], imm); |
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36 return; |
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37 } |
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38 /* format 2 */ |
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39 if ((word & 0xFDC0) == 0x1C00) { |
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40 printf("mov\t%s, %s\t\t(", regnames[word&7], |
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41 regnames[(word>>3)&7]); |
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42 is_mov = 1; |
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43 } else |
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44 is_mov = 0; |
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45 printf("%s%c%s, %s, ", word&0x200 ? "sub" : "add", |
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46 is_mov ? ' ' : '\t', regnames[word&7], regnames[(word>>3)&7]); |
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47 if (word & 0x400) |
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48 printf("#%u", (word >> 6) & 7); |
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49 else |
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50 printf("%s", regnames[(word >> 6) & 7]); |
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51 if (is_mov) |
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52 putchar(')'); |
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53 putchar('\n'); |
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54 } |
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55 |
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56 static void |
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57 format_3(word) |
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58 unsigned word; |
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59 { |
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60 static char *opctab[4] = {"mov", "cmp", "add", "sub"}; |
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61 unsigned imm; |
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62 |
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63 imm = word & 0xFF; |
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64 printf("%s\t%s, #%u", opctab[(word>>11)&3], regnames[(word>>8)&7], imm); |
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65 if (imm > 9) |
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66 printf("\t; 0x%x", imm); |
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67 putchar('\n'); |
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68 } |
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69 |
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70 static void |
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71 format_4(word) |
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72 unsigned word; |
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73 { |
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74 static char *opc[16] = {"and", "eor", "lsl", "lsr", |
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75 "asr", "adc", "sbc", "ror", |
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76 "tst", "neg", "cmp", "cmn", |
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77 "orr", "mul", "bic", "mvn"}; |
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78 |
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79 printf("%s\t%s, %s\n", opc[(word>>6)&0xF], regnames[word&7], |
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80 regnames[(word>>3)&7]); |
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81 } |
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82 |
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83 static void |
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84 format_5_bx(word) |
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85 unsigned word; |
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86 { |
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87 if (word & 0x80) |
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88 printf("<invalid: blx instead of bx>\n"); |
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89 else |
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90 printf("bx\t%s\n", regnames[(word>>3)&0xF]); |
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91 } |
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92 |
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93 static void |
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94 format_5_hiops(word) |
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95 unsigned word; |
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96 { |
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97 static char *opctab[3] = {"add", "cmp", "mov"}; |
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98 int reg1, reg2, op; |
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99 |
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100 if (word & 0xC0) { |
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101 reg1 = word & 7; |
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102 if (word & 0x80) |
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103 reg1 += 8; |
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104 reg2 = (word >> 3) & 0xF; |
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105 op = (word >> 8) & 3; |
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106 if (op == 2 && reg1 == reg2 && reg1 != 15) |
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107 printf("nop\t\t\t(mov %s, %s)\n", |
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108 regnames[reg1], regnames[reg2]); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
109 else |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
110 printf("%s\t%s, %s\n", opctab[op], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
111 regnames[reg1], regnames[reg2]); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
112 } else |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
113 printf("<invalid: hi-reg format with both low regs>\n"); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
114 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
115 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
116 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
117 format_5(word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
118 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
119 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
120 if ((word & 0x300) == 0x300) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
121 format_5_bx(word); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
122 else |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
123 format_5_hiops(word); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
124 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
125 |
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parents:
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|
126 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
127 format_6(sec, off, word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
128 struct internal_scnhdr *sec; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
129 unsigned off, word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
130 { |
113
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111
diff
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|
131 unsigned loff, litoff, datum; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
132 struct internal_reloc *rel; |
111
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|
133 |
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|
134 loff = (word & 0xFF) << 2; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
135 off &= ~3; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
136 off += 4; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
137 litoff = off + loff; |
113
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
138 if (litoff+4 <= sec->size) { |
115
2f23301d2f86
tiobjd: literal reloc recognition restricted to RTYPE_LONG
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
113
diff
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|
139 rel = find_word32_reloc(sec, litoff); |
113
d97fbe98600b
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
140 datum = get_u32(filemap + sec->data_offset + litoff); |
d97fbe98600b
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
141 printf("ldr\t%s, =", regnames[(word>>8)&7]); |
d97fbe98600b
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
142 if (rel) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
143 disasm_reloc_target(sec, rel, datum); |
d97fbe98600b
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
144 else |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
145 printf("0x%x", datum); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
146 printf("\t; via 0x%x\n", litoff); |
d97fbe98600b
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
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|
147 } else |
111
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|
148 printf("ldr\t%s, [pc, #%u]\t(0x%x)\n", regnames[(word>>8)&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
149 loff, litoff); |
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|
150 } |
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|
151 |
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|
152 static void |
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|
153 format_7(word) |
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|
154 unsigned word; |
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|
155 { |
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|
156 printf("%s%s\t%s, [%s, %s]\n", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
157 word&0x400 ? "b" : "", regnames[word&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
158 regnames[(word>>3)&7], regnames[(word>>6)&7]); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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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>
parents:
diff
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|
162 format_8(word) |
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parents:
diff
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|
163 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
164 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
165 static char *opc[4] = {"strh", "ldrsb", "ldrh", "ldrsh"}; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
166 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
167 printf("%s\t%s, [%s, %s]\n", opc[(word>>10)&3], regnames[word&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
168 regnames[(word>>3)&7], regnames[(word>>6)&7]); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
169 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
170 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
171 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
172 format_9(word) |
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parents:
diff
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|
173 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
174 { |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
175 unsigned loff; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
176 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
177 loff = (word >> 6) & 0x1F; |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
178 if (!(word & 0x1000)) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
179 loff <<= 2; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
180 printf("%s%s\t%s, [%s, #%u]", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
181 word&0x1000 ? "b" : "", regnames[word&7], |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
182 regnames[(word>>3)&7], loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
183 if (loff >= 10) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
184 printf("\t; 0x%x", loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
185 putchar('\n'); |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
186 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
187 |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
188 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
189 format_10(word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
190 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
191 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
192 unsigned loff; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
193 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
194 loff = (word >> 6) & 0x1F; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
195 loff <<= 1; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
196 printf("%sh\t%s, [%s, #%u]", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
197 regnames[word&7], regnames[(word>>3)&7], loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
198 if (loff >= 10) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
199 printf("\t; 0x%x", loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
200 putchar('\n'); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
201 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
202 |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
203 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
204 format_11(word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
205 unsigned word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
206 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
207 unsigned loff; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
208 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
209 loff = (word & 0xFF) << 2; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
210 printf("%s\t%s, [sp, #%u]", word&0x800 ? "ldr" : "str", |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
211 regnames[(word>>8)&7], loff); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
212 if (loff >= 10) |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
213 printf("\t; 0x%x", loff); |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
214 putchar('\n'); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
215 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
216 |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
217 static void |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
218 format_12(off, word) |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
219 unsigned off, word; |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
220 { |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
221 unsigned loff; |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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222 |
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223 loff = (word & 0xFF) << 2; |
122
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224 printf("add\t%s, ", regnames[(word>>8)&7]); |
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225 if (word & 0x800) { |
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226 printf("sp, #%u", loff); |
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227 if (loff >= 10) |
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228 printf("\t; 0x%x", loff); |
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229 putchar('\n'); |
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230 } else { |
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231 off &= ~3; |
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232 printf("pc, #%u\t; 0x%x\n", loff, off + 4 + loff); |
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233 } |
111
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234 } |
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235 |
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236 static void |
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237 format_13(word) |
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238 unsigned word; |
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239 { |
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240 unsigned loff; |
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241 |
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242 if ((word & 0xFF00) != 0xB000) { |
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243 printf("<invalid format 13>\n"); |
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244 return; |
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245 } |
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246 loff = (word & 0x7F) << 2; |
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247 printf("%s\tsp, #%u", word&0x80 ? "sub" : "add", loff); |
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248 if (loff >= 10) |
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249 printf("\t; 0x%x", loff); |
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250 putchar('\n'); |
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251 } |
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252 |
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253 static void |
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254 format_14(word) |
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255 unsigned word; |
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256 { |
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257 int r, flag; |
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258 |
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259 if ((word & 0xF600) != 0xB400) { |
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260 printf("<invalid format 14>\n"); |
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261 return; |
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262 } |
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263 printf("%s\t{", word&0x800 ? "pop" : "push"); |
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264 flag = 0; |
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265 for (r = 0; r < 9; r++) |
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266 if (word & (1 << r)) { |
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267 if (flag) |
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268 fputs(", ", stdout); |
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269 if (r == 8) |
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270 fputs(word&0x800 ? "pc" : "lr", stdout); |
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271 else |
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272 fputs(regnames[r], stdout); |
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273 flag = 1; |
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274 } |
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275 putchar('}'); |
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276 putchar('\n'); |
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277 } |
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278 |
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279 static void |
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280 format_15(word) |
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281 unsigned word; |
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282 { |
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283 int r, flag; |
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284 |
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|
285 printf("%sia\t%s!, {", word&0x800 ? "ldm" : "stm", |
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|
286 regnames[(word>>8)&7]); |
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287 flag = 0; |
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288 for (r = 0; r < 8; r++) |
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289 if (word & (1 << r)) { |
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|
290 if (flag) |
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291 fputs(", ", stdout); |
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292 fputs(regnames[r], stdout); |
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|
293 flag = 1; |
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|
294 } |
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|
295 putchar('}'); |
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|
296 putchar('\n'); |
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|
297 } |
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|
298 |
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|
299 static void |
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|
300 format_16_17(off, word) |
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|
301 unsigned off, word; |
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|
302 { |
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|
303 unsigned cond; |
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|
304 unsigned dest; |
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|
305 |
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|
306 cond = (word >> 8) & 0xF; |
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|
307 switch (cond) { |
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|
308 case 0xE: |
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|
309 printf("<invalid: bal>\n"); |
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|
310 return; |
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|
311 case 0xF: |
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|
312 printf("swi\t0x%x\n", word & 0xFF); |
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|
313 return; |
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|
314 } |
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|
315 dest = (word & 0xFF) << 1; |
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|
316 if (dest & 0x00000100) |
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diff
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|
317 dest |= 0xFFFFFE00; |
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|
318 dest += off + 4; |
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|
319 printf("b%s\t0x%x\n", condition_decode[cond], dest); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
320 } |
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|
321 |
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|
322 static void |
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|
323 format_18(off, word) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
324 unsigned off, word; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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|
325 { |
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diff
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|
326 unsigned dest; |
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|
327 |
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|
328 if (word & 0x800) { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
329 printf("<invalid format 18>\n"); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
330 return; |
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diff
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|
331 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
332 dest = (word & 0x7FF) << 1; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
333 if (dest & 0x00000800) |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
334 dest |= 0xFFFFF000; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
335 dest += off + 4; |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
336 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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|
337 } |
0f94d17899b3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
338 |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
339 void |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
340 thumb_disasm_line(sec, off) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
341 struct internal_scnhdr *sec; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
342 unsigned off; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
343 { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
344 unsigned word; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
345 |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
346 word = 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
|
347 printf("%04x\t\t", word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
348 switch (word >> 12) { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
349 case 0: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
350 case 1: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
351 format_1_2(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
352 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
353 case 2: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
354 case 3: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
355 format_3(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
356 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
357 case 4: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
358 if (word & 0x800) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
359 format_6(sec, off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
360 else if (word & 0x400) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
361 format_5(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
362 else |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
363 format_4(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 5: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
366 if (word & 0x200) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
367 format_8(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
368 else |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
369 format_7(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 6: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
372 case 7: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
373 format_9(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
374 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
375 case 8: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
376 format_10(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
377 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
378 case 9: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
379 format_11(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
380 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
381 case 0xA: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
382 format_12(off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
383 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
384 case 0xB: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
385 if (word & 0x400) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
386 format_14(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
387 else |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
388 format_13(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
389 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
390 case 0xC: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
391 format_15(word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
392 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
393 case 0xD: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
394 format_16_17(off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
395 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
396 case 0xE: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
397 format_18(off, word); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
398 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
399 case 0xF: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
400 printf("<half-bl>\n"); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
401 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
402 } |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
403 } |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
404 |
133
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
405 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
|
406 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
|
407 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
|
408 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
|
409 { |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
410 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
|
411 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
|
412 |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
413 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
|
414 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
|
415 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
|
416 break; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
417 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
|
418 continue; |
daeaa5950d10
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
419 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
|
420 continue; |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
421 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
|
422 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
|
423 } |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
424 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
|
425 } |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
426 |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
427 thumb_check_bl(sec, off) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
428 struct internal_scnhdr *sec; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
429 unsigned off; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
430 { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
431 unsigned ins1, ins2; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
432 unsigned dest; |
133
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
433 char *destsym; |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
434 |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
435 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
|
436 if ((ins1 & 0xF800) != 0xF000) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
437 return(0); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
438 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
|
439 if ((ins2 & 0xF800) != 0xF800) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
440 return(0); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
441 /* match */ |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
442 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
|
443 if (dest & 0x00400000) |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
444 dest |= 0xFF800000; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
445 dest += off + 4; |
133
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
446 printf("%04x %04x\tbl\t", ins1, ins2); |
daeaa5950d10
tiobjd: Thumb bl w/o reloc: find symbol if there is one
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
447 destsym = bl_norel_find_symbol(sec, dest); |
daeaa5950d10
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
130
diff
changeset
|
448 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
|
449 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
|
450 printf("0x%x\n", dest); |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
451 return(1); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
452 } |
117
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453 |
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454 void |
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455 thumb_bl_reloc(sec, rel) |
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456 struct internal_scnhdr *sec; |
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457 struct internal_reloc *rel; |
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458 { |
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459 unsigned ins1, ins2; |
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460 unsigned dest; |
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461 |
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462 ins1 = get_u16(filemap + sec->data_offset + rel->location); |
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463 ins2 = get_u16(filemap + sec->data_offset + rel->location + 2); |
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464 printf("%04x %04x R\t", ins1, ins2); |
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465 if ((ins1 & 0xF800) != 0xF000 || (ins2 & 0xF800) != 0xF800) { |
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466 printf("<invalid Thumb_BL reloc: opcode not BL>\n"); |
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467 return; |
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468 } |
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469 dest = ((ins1 & 0x7FF) << 12) | ((ins2 & 0x7FF) << 1); |
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470 if (dest & 0x00400000) |
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471 dest |= 0xFF800000; |
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472 dest += rel->location + 4; |
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473 fputs("bl\t", stdout); |
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474 disasm_reloc_target(sec, rel, dest); |
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475 putchar('\n'); |
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476 } |