FreeCalypso > hg > freecalypso-reveng

annotate objgrep/tables.c @ 344:2bd27d940023

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fluid-mnf/serial.c: serial_recv() implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 13 Mar 2020 05:53:20 +0000
parents 77cd647375e5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
2 * This C module contains functions for the initial parsing
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 * of the section and symbol tables.
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 */
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 #include <sys/types.h>
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 #include <stdio.h>
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 #include <stdlib.h>
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 #include <string.h>
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 #include <strings.h>
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 #include "filestruct.h"
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 #include "intstruct.h"
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 #include "globals.h"
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 extern unsigned get_u16(), get_u32();
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
17 initial_parse_hdr()
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
18 {
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
19 unsigned symtab_offset;
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
20
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
21 filehdr_struct = (struct external_filehdr *) objfilemap;
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
22 if (get_u16(filehdr_struct->f_magic) != 0xC2) {
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
23 fprintf(stderr, "error: %s is not a TI COFF2 object\n",
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
24 objfilename);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
25 exit(2);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
26 }
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
27 if (get_u16(filehdr_struct->f_target_id) != 0x97) {
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
28 fprintf(stderr, "error: TI COFF object %s is not for TMS470\n",
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
29 objfilename);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
30 exit(2);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
31 }
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
32 if (get_u16(filehdr_struct->f_opthdr)) {
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
33 fprintf(stderr,
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
34 "error: %s has the \"optional\" header present\n",
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
35 objfilename);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
36 exit(2);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
37 }
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
38 sections_raw = (struct external_scnhdr *)
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
39 (objfilemap + sizeof(struct external_filehdr));
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
40 nsections = get_u16(filehdr_struct->f_nscns);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
41 symtab_offset = get_u32(filehdr_struct->f_symptr);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
42 symtab_raw = (struct external_syment *)(objfilemap + symtab_offset);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
43 nsymtab = get_u32(filehdr_struct->f_nsyms);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
44 strtab_offset = symtab_offset +
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
45 sizeof(struct external_syment) * nsymtab;
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
46 }
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
47
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
48 static char *
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
49 get_secorsym_name(ptr)
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
50 u_char *ptr;
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
51 {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
52 char *alloc;
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
53
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
54 if (ptr[0]) {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
55 if (ptr[7]) {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
56 alloc = malloc(9);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
57 if (!alloc) {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
58 perror("malloc");
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
59 exit(2);
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
60 }
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
61 bcopy(ptr, alloc, 8);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
62 alloc[8] = '\0';
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
63 return(alloc);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
64 } else
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
65 return((char *) ptr);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
66 }
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
67 if (ptr[1] || ptr[2] || ptr[3]) {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
68 fprintf(stderr, "error: malformed name in %s at offset 0x%x\n",
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
69 objfilename, ptr - objfilemap);
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
70 exit(2);
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
71 }
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
72 return(objfilemap + strtab_offset + get_u32(ptr+4));
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
73 }
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
74
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
75 get_int_section_table()
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
76 {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
77 unsigned n;
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
78
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
79 sections = malloc(sizeof(struct internal_scnhdr) * nsections);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
80 if (!sections) {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
81 perror("malloc");
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
82 exit(2);
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
83 }
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
84 for (n = 0; n < nsections; n++) {
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
85 sections[n].name = get_secorsym_name(sections_raw[n].s_name);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
86 if (get_u32(sections_raw[n].s_paddr))
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
87 fprintf(stderr,
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
88 "warning: section #%u (%s) has nonzero paddr\n",
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
89 n, sections[n].name);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
90 if (get_u32(sections_raw[n].s_vaddr))
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
91 fprintf(stderr,
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
92 "warning: section #%u (%s) has nonzero vaddr\n",
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
93 n, sections[n].name);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
94 sections[n].size = get_u32(sections_raw[n].s_size);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
95 sections[n].data_offset = get_u32(sections_raw[n].s_scnptr);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
96 sections[n].reloc_offset = get_u32(sections_raw[n].s_relptr);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
97 sections[n].line_offset = get_u32(sections_raw[n].s_lnnoptr);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
98 sections[n].nreloc = get_u32(sections_raw[n].s_nreloc);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
99 sections[n].nlineent = get_u32(sections_raw[n].s_nlnno);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
100 sections[n].flags = get_u32(sections_raw[n].s_flags);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
101 if (get_u16(sections_raw[n].s_reserved))
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
102 fprintf(stderr,
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
103 "warning: section #%u (%s): some nonzero value in s_reserved bytes\n",
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
104 n, sections[n].name);
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
105 if (get_u16(sections_raw[n].s_page))
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
106 fprintf(stderr,
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
107 "warning: section #%u (%s): some nonzero value in s_page bytes\n",
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
108 n, sections[n].name);
80
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
109 sections[n].nsymbols = 0;
173
77cd647375e5 objgrep -r: dump symbols in other sections recovered through relocs
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 167
diff changeset
110 sections[n].recov_flag = 0;
71
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
111 }
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
112 }
c15cd3d695c0 tiobjd: successful parsing of the section header table
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
113
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
114 get_int_symbol_table()
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
115 {
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
116 unsigned n;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
117 struct internal_syment *in;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
118
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
119 symtab = malloc(sizeof(struct internal_syment *) * nsymtab);
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
120 if (!symtab) {
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
121 perror("malloc");
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
122 exit(2);
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
123 }
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
124 for (n = 0; n < nsymtab; ) {
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
125 in = malloc(sizeof(struct internal_syment));
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
126 if (!in) {
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
127 perror("malloc");
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
128 exit(2);
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
129 }
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
130 symtab[n] = in;
116
5f4141ee175b tiobjd: retain the original symtab order for symbols at the same position
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 110
diff changeset
131 in->number = n;
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
132 in->name = get_secorsym_name(symtab_raw[n].e_name);
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
133 in->value = get_u32(symtab_raw[n].e_value);
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
134 in->scnum = get_s16(symtab_raw[n].e_scnum);
80
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
135 if (in->scnum > 0) {
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
136 if (in->scnum > nsections) {
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
137 fprintf(stderr,
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
138 "symtab entry #%u: scnum too big\n", n);
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
139 exit(2);
80
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
140 }
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
141 in->section = sections + in->scnum - 1;
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
142 in->section->nsymbols++;
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
143 } else if (in->scnum < -2) {
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
144 fprintf(stderr,
80
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
145 "symtab entry #%u: scnum < -2\n", n);
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
146 exit(2);
80
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
147 } else
da103b9377e3 tiobjd: preparation for symbol sorting
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 75
diff changeset
148 in->section = 0;
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
149 in->type = get_u16(symtab_raw[n].e_type);
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
150 in->class = symtab_raw[n].e_sclass;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
151 switch (symtab_raw[n++].e_numaux) {
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
152 case 0:
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
153 in->aux = 0;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
154 continue;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
155 case 1:
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
156 if (n >= nsymtab) {
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
157 fprintf(stderr,
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
158 "error: last symbol's aux spills over\n");
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
159 exit(2);
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
160 }
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
161 symtab[n] = 0;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
162 in->aux = (u_char *)(symtab_raw + n);
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
163 n++;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
164 continue;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
165 default:
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
166 n--;
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
167 fprintf(stderr, "symtab entry #%u: invalid numaux\n",
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
168 n);
167
c25367bb7656 objgrep: written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 144
diff changeset
169 exit(2);
73
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
170 }
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
171 }
10f3fbff5e97 tiobjd: symbol table parsing implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 71
diff changeset
172 }