| /* od-xcoff.c -- dump information about an xcoff object file. |
| Copyright (C) 2011-2021 Free Software Foundation, Inc. |
| Written by Tristan Gingold, Adacore. |
| |
| This file is part of GNU Binutils. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #include "sysdep.h" |
| #include <stddef.h> |
| #include <time.h> |
| #include "safe-ctype.h" |
| #include "bfd.h" |
| #include "objdump.h" |
| #include "bucomm.h" |
| #include "bfdlink.h" |
| /* Force the support of weak symbols. */ |
| #ifndef AIX_WEAK_SUPPORT |
| #define AIX_WEAK_SUPPORT 1 |
| #endif |
| #include "coff/internal.h" |
| #include "coff/rs6000.h" |
| #include "coff/xcoff.h" |
| #include "libcoff.h" |
| #include "libxcoff.h" |
| |
| /* Index of the options in the options[] array. */ |
| #define OPT_FILE_HEADER 0 |
| #define OPT_AOUT 1 |
| #define OPT_SECTIONS 2 |
| #define OPT_SYMS 3 |
| #define OPT_RELOCS 4 |
| #define OPT_LINENO 5 |
| #define OPT_LOADER 6 |
| #define OPT_EXCEPT 7 |
| #define OPT_TYPCHK 8 |
| #define OPT_TRACEBACK 9 |
| #define OPT_TOC 10 |
| #define OPT_LDINFO 11 |
| |
| /* List of actions. */ |
| static struct objdump_private_option options[] = |
| { |
| { "header", 0 }, |
| { "aout", 0 }, |
| { "sections", 0 }, |
| { "syms", 0 }, |
| { "relocs", 0 }, |
| { "lineno", 0 }, |
| { "loader", 0 }, |
| { "except", 0 }, |
| { "typchk", 0 }, |
| { "traceback", 0 }, |
| { "toc", 0 }, |
| { "ldinfo", 0 }, |
| { NULL, 0 } |
| }; |
| |
| /* Display help. */ |
| |
| static void |
| xcoff_help (FILE *stream) |
| { |
| fprintf (stream, _("\ |
| For XCOFF files:\n\ |
| header Display the file header\n\ |
| aout Display the auxiliary header\n\ |
| sections Display the section headers\n\ |
| syms Display the symbols table\n\ |
| relocs Display the relocation entries\n\ |
| lineno Display the line number entries\n\ |
| loader Display loader section\n\ |
| except Display exception table\n\ |
| typchk Display type-check section\n\ |
| traceback Display traceback tags\n\ |
| toc Display toc symbols\n\ |
| ldinfo Display loader info in core files\n\ |
| ")); |
| } |
| |
| /* Return TRUE if ABFD is handled. */ |
| |
| static int |
| xcoff_filter (bfd *abfd) |
| { |
| return bfd_get_flavour (abfd) == bfd_target_xcoff_flavour; |
| } |
| |
| /* Translation entry type. The last entry must be {0, NULL}. */ |
| |
| struct xlat_table { |
| unsigned int val; |
| const char *name; |
| }; |
| |
| /* Display the list of name (from TABLE) for FLAGS, using comma to separate |
| them. A name is displayed if FLAGS & VAL is not 0. */ |
| |
| static void |
| dump_flags (const struct xlat_table *table, unsigned int flags) |
| { |
| unsigned int r = flags; |
| int first = 1; |
| const struct xlat_table *t; |
| |
| for (t = table; t->name; t++) |
| if ((flags & t->val) != 0) |
| { |
| r &= ~t->val; |
| |
| if (first) |
| first = 0; |
| else |
| putchar (','); |
| fputs (t->name, stdout); |
| } |
| |
| /* Not decoded flags. */ |
| if (r != 0) |
| { |
| if (!first) |
| putchar (','); |
| printf ("0x%x", r); |
| } |
| } |
| |
| /* Display the name corresponding to VAL from TABLE, using at most |
| MAXLEN char (possibly passed with spaces). */ |
| |
| static void |
| dump_value (const struct xlat_table *table, unsigned int val, int maxlen) |
| { |
| const struct xlat_table *t; |
| |
| for (t = table; t->name; t++) |
| if (t->val == val) |
| { |
| printf ("%-*s", maxlen, t->name); |
| return; |
| } |
| printf ("(%*x)", maxlen - 2, val); |
| } |
| |
| /* Names of f_flags. */ |
| static const struct xlat_table f_flag_xlat[] = |
| { |
| { F_RELFLG, "no-rel" }, |
| { F_EXEC, "exec" }, |
| { F_LNNO, "lineno" }, |
| { F_LSYMS, "lsyms" }, |
| |
| { F_FDPR_PROF, "fdpr-prof" }, |
| { F_FDPR_OPTI, "fdpr-opti" }, |
| { F_DSA, "dsa" }, |
| |
| { F_VARPG, "varprg" }, |
| |
| { F_DYNLOAD, "dynload" }, |
| { F_SHROBJ, "shrobj" }, |
| { F_NONEXEC, "nonexec" }, |
| |
| { 0, NULL } |
| }; |
| |
| /* Names of s_flags. */ |
| static const struct xlat_table s_flag_xlat[] = |
| { |
| { STYP_PAD, "pad" }, |
| { STYP_DWARF, "dwarf" }, |
| { STYP_TEXT, "text" }, |
| { STYP_DATA, "data" }, |
| { STYP_BSS, "bss" }, |
| |
| { STYP_EXCEPT, "except" }, |
| { STYP_INFO, "info" }, |
| { STYP_TDATA, "tdata" }, |
| { STYP_TBSS, "tbss" }, |
| |
| { STYP_LOADER, "loader" }, |
| { STYP_DEBUG, "debug" }, |
| { STYP_TYPCHK, "typchk" }, |
| { STYP_OVRFLO, "ovrflo" }, |
| { 0, NULL } |
| }; |
| |
| /* Names of storage class. */ |
| static const struct xlat_table sc_xlat[] = |
| { |
| #define SC_ENTRY(X) { C_##X, #X } |
| SC_ENTRY(NULL), |
| SC_ENTRY(AUTO), |
| SC_ENTRY(EXT), |
| SC_ENTRY(STAT), |
| SC_ENTRY(REG), |
| SC_ENTRY(EXTDEF), |
| SC_ENTRY(LABEL), |
| SC_ENTRY(ULABEL), |
| SC_ENTRY(MOS), |
| SC_ENTRY(ARG), |
| /* SC_ENTRY(STRARG), */ |
| SC_ENTRY(MOU), |
| SC_ENTRY(UNTAG), |
| SC_ENTRY(TPDEF), |
| SC_ENTRY(USTATIC), |
| SC_ENTRY(ENTAG), |
| SC_ENTRY(MOE), |
| SC_ENTRY(REGPARM), |
| SC_ENTRY(FIELD), |
| SC_ENTRY(BLOCK), |
| SC_ENTRY(FCN), |
| SC_ENTRY(EOS), |
| SC_ENTRY(FILE), |
| SC_ENTRY(LINE), |
| SC_ENTRY(ALIAS), |
| SC_ENTRY(HIDDEN), |
| SC_ENTRY(HIDEXT), |
| SC_ENTRY(BINCL), |
| SC_ENTRY(EINCL), |
| SC_ENTRY(INFO), |
| SC_ENTRY(WEAKEXT), |
| SC_ENTRY(DWARF), |
| |
| /* Stabs. */ |
| SC_ENTRY (GSYM), |
| SC_ENTRY (LSYM), |
| SC_ENTRY (PSYM), |
| SC_ENTRY (RSYM), |
| SC_ENTRY (RPSYM), |
| SC_ENTRY (STSYM), |
| SC_ENTRY (TCSYM), |
| SC_ENTRY (BCOMM), |
| SC_ENTRY (ECOML), |
| SC_ENTRY (ECOMM), |
| SC_ENTRY (DECL), |
| SC_ENTRY (ENTRY), |
| SC_ENTRY (FUN), |
| SC_ENTRY (BSTAT), |
| SC_ENTRY (ESTAT), |
| |
| { 0, NULL } |
| #undef SC_ENTRY |
| }; |
| |
| /* Names for symbol type. */ |
| static const struct xlat_table smtyp_xlat[] = |
| { |
| { XTY_ER, "ER" }, |
| { XTY_SD, "SD" }, |
| { XTY_LD, "LD" }, |
| { XTY_CM, "CM" }, |
| { XTY_EM, "EM" }, |
| { XTY_US, "US" }, |
| { 0, NULL } |
| }; |
| |
| /* Names for storage-mapping class. */ |
| static const struct xlat_table smclas_xlat[] = |
| { |
| #define SMCLAS_ENTRY(X) { XMC_##X, #X } |
| SMCLAS_ENTRY (PR), |
| SMCLAS_ENTRY (RO), |
| SMCLAS_ENTRY (DB), |
| SMCLAS_ENTRY (TC), |
| SMCLAS_ENTRY (UA), |
| SMCLAS_ENTRY (RW), |
| SMCLAS_ENTRY (GL), |
| SMCLAS_ENTRY (XO), |
| SMCLAS_ENTRY (SV), |
| SMCLAS_ENTRY (BS), |
| SMCLAS_ENTRY (DS), |
| SMCLAS_ENTRY (UC), |
| SMCLAS_ENTRY (TI), |
| SMCLAS_ENTRY (TB), |
| SMCLAS_ENTRY (TC0), |
| SMCLAS_ENTRY (TD), |
| SMCLAS_ENTRY (SV64), |
| SMCLAS_ENTRY (SV3264), |
| { 0, NULL } |
| #undef SMCLAS_ENTRY |
| }; |
| |
| /* Names for relocation type. */ |
| static const struct xlat_table rtype_xlat[] = |
| { |
| #define RTYPE_ENTRY(X) { R_##X, #X } |
| RTYPE_ENTRY (POS), |
| RTYPE_ENTRY (NEG), |
| RTYPE_ENTRY (REL), |
| RTYPE_ENTRY (TOC), |
| RTYPE_ENTRY (TRL), |
| RTYPE_ENTRY (GL), |
| RTYPE_ENTRY (TCL), |
| RTYPE_ENTRY (BA), |
| RTYPE_ENTRY (BR), |
| RTYPE_ENTRY (RL), |
| RTYPE_ENTRY (RLA), |
| RTYPE_ENTRY (REF), |
| RTYPE_ENTRY (TRLA), |
| RTYPE_ENTRY (RRTBI), |
| RTYPE_ENTRY (RRTBA), |
| RTYPE_ENTRY (CAI), |
| RTYPE_ENTRY (CREL), |
| RTYPE_ENTRY (RBA), |
| RTYPE_ENTRY (RBAC), |
| RTYPE_ENTRY (RBR), |
| RTYPE_ENTRY (RBRC), |
| RTYPE_ENTRY (TLS), |
| RTYPE_ENTRY (TLS_IE), |
| RTYPE_ENTRY (TLS_LD), |
| RTYPE_ENTRY (TLS_LE), |
| RTYPE_ENTRY (TLSM), |
| RTYPE_ENTRY (TLSML), |
| RTYPE_ENTRY (TOCU), |
| RTYPE_ENTRY (TOCL), |
| { 0, NULL } |
| }; |
| |
| /* Simplified section header. */ |
| struct xcoff32_section |
| { |
| /* NUL terminated name. */ |
| char name[9]; |
| |
| /* Section flags. */ |
| unsigned int flags; |
| |
| /* Offsets in file. */ |
| ufile_ptr scnptr; |
| ufile_ptr relptr; |
| ufile_ptr lnnoptr; |
| |
| /* Number of relocs and line numbers. */ |
| unsigned int nreloc; |
| unsigned int nlnno; |
| }; |
| |
| /* Simplified symbol. */ |
| |
| union xcoff32_symbol |
| { |
| union external_auxent aux; |
| |
| struct sym |
| { |
| /* Pointer to the NUL-terminated name. */ |
| char *name; |
| |
| /* XCOFF symbol fields. */ |
| unsigned int val; |
| unsigned short scnum; |
| unsigned short ntype; |
| unsigned char sclass; |
| unsigned char numaux; |
| |
| /* Buffer in case the name is local. */ |
| union |
| { |
| char name[9]; |
| unsigned int off; |
| } raw; |
| } sym; |
| }; |
| |
| /* Important fields to dump the file. */ |
| |
| struct xcoff_dump |
| { |
| /* From file header. */ |
| unsigned short nscns; |
| unsigned int symptr; |
| unsigned int nsyms; |
| unsigned short opthdr; |
| |
| /* Sections. */ |
| struct xcoff32_section *sects; |
| |
| /* Symbols. */ |
| union xcoff32_symbol *syms; |
| char *strings; |
| unsigned int strings_size; |
| }; |
| |
| /* Print a symbol (if possible). */ |
| |
| static void |
| xcoff32_print_symbol (struct xcoff_dump *data, unsigned int symndx) |
| { |
| if (data->syms != NULL |
| && symndx < data->nsyms |
| && data->syms[symndx].sym.name != NULL) |
| printf ("%s", data->syms[symndx].sym.name); |
| else |
| printf ("%u", symndx); |
| } |
| |
| /* Dump the file header. */ |
| |
| static void |
| dump_xcoff32_file_header (bfd *abfd, struct external_filehdr *fhdr, |
| struct xcoff_dump *data) |
| { |
| unsigned int timdat = bfd_h_get_32 (abfd, fhdr->f_timdat); |
| unsigned short flags = bfd_h_get_16 (abfd, fhdr->f_flags); |
| |
| printf (_(" nbr sections: %d\n"), data->nscns); |
| printf (_(" time and date: 0x%08x - "), timdat); |
| if (timdat == 0) |
| printf (_("not set\n")); |
| else |
| { |
| /* Not correct on all platforms, but works on unix. */ |
| time_t t = timdat; |
| fputs (ctime (&t), stdout); |
| } |
| printf (_(" symbols off: 0x%08x\n"), data->symptr); |
| printf (_(" nbr symbols: %d\n"), data->nsyms); |
| printf (_(" opt hdr sz: %d\n"), data->opthdr); |
| printf (_(" flags: 0x%04x "), flags); |
| dump_flags (f_flag_xlat, flags); |
| putchar ('\n'); |
| } |
| |
| /* Dump the a.out header. */ |
| |
| static void |
| dump_xcoff32_aout_header (bfd *abfd, struct xcoff_dump *data) |
| { |
| AOUTHDR auxhdr; |
| unsigned short magic; |
| unsigned int sz = data->opthdr; |
| |
| printf (_("Auxiliary header:\n")); |
| if (data->opthdr == 0) |
| { |
| printf (_(" No aux header\n")); |
| return; |
| } |
| if (data->opthdr > sizeof (auxhdr)) |
| { |
| printf (_("warning: optional header size too large (> %d)\n"), |
| (int)sizeof (auxhdr)); |
| sz = sizeof (auxhdr); |
| } |
| if (bfd_bread (&auxhdr, sz, abfd) != sz) |
| { |
| non_fatal (_("cannot read auxhdr")); |
| return; |
| } |
| |
| magic = bfd_h_get_16 (abfd, auxhdr.magic); |
| /* We don't translate these strings as they are fields name. */ |
| printf (" o_mflag (magic): 0x%04x 0%04o\n", magic, magic); |
| printf (" o_vstamp: 0x%04x\n", |
| (unsigned short)bfd_h_get_16 (abfd, auxhdr.vstamp)); |
| printf (" o_tsize: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.tsize)); |
| printf (" o_dsize: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.dsize)); |
| printf (" o_entry: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.entry)); |
| printf (" o_text_start: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.text_start)); |
| printf (" o_data_start: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.data_start)); |
| if (sz == offsetof (AOUTHDR, o_toc)) |
| return; |
| printf (" o_toc: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.o_toc)); |
| printf (" o_snentry: 0x%04x\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_snentry)); |
| printf (" o_sntext: 0x%04x\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_sntext)); |
| printf (" o_sndata: 0x%04x\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_sndata)); |
| printf (" o_sntoc: 0x%04x\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_sntoc)); |
| printf (" o_snloader: 0x%04x\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_snloader)); |
| printf (" o_snbss: 0x%04x\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_snbss)); |
| printf (" o_algntext: %u\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_algntext)); |
| printf (" o_algndata: %u\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_algndata)); |
| printf (" o_modtype: 0x%04x", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_modtype)); |
| if (ISPRINT (auxhdr.o_modtype[0]) && ISPRINT (auxhdr.o_modtype[1])) |
| printf (" (%c%c)", auxhdr.o_modtype[0], auxhdr.o_modtype[1]); |
| putchar ('\n'); |
| printf (" o_cputype: 0x%04x\n", |
| (unsigned int)bfd_h_get_16 (abfd, auxhdr.o_cputype)); |
| printf (" o_maxstack: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.o_maxstack)); |
| printf (" o_maxdata: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.o_maxdata)); |
| #if 0 |
| printf (" o_debugger: 0x%08x\n", |
| (unsigned int)bfd_h_get_32 (abfd, auxhdr.o_debugger)); |
| #endif |
| } |
| |
| /* Dump the sections header. */ |
| |
| static void |
| dump_xcoff32_sections_header (bfd *abfd, struct xcoff_dump *data) |
| { |
| unsigned int i; |
| unsigned int off; |
| |
| off = sizeof (struct external_filehdr) + data->opthdr; |
| printf (_("Section headers (at %u+%u=0x%08x to 0x%08x):\n"), |
| (unsigned int)sizeof (struct external_filehdr), data->opthdr, off, |
| off + (unsigned int)sizeof (struct external_scnhdr) * data->nscns); |
| if (data->nscns == 0) |
| { |
| printf (_(" No section header\n")); |
| return; |
| } |
| if (bfd_seek (abfd, off, SEEK_SET) != 0) |
| { |
| non_fatal (_("cannot read section header")); |
| return; |
| } |
| /* We don't translate this string as it consists in fields name. */ |
| printf (" # Name paddr vaddr size scnptr relptr lnnoptr nrel nlnno\n"); |
| for (i = 0; i < data->nscns; i++) |
| { |
| struct external_scnhdr scn; |
| unsigned int flags; |
| |
| if (bfd_bread (&scn, sizeof (scn), abfd) != sizeof (scn)) |
| { |
| non_fatal (_("cannot read section header")); |
| return; |
| } |
| flags = bfd_h_get_32 (abfd, scn.s_flags); |
| printf ("%2d %-8.8s %08x %08x %08x %08x %08x %08x %-5d %-5d\n", |
| i + 1, scn.s_name, |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_paddr), |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_vaddr), |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_size), |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_scnptr), |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_relptr), |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_lnnoptr), |
| (unsigned int)bfd_h_get_16 (abfd, scn.s_nreloc), |
| (unsigned int)bfd_h_get_16 (abfd, scn.s_nlnno)); |
| printf (_(" Flags: %08x "), flags); |
| |
| if (~flags == 0) |
| { |
| /* Stripped executable ? */ |
| putchar ('\n'); |
| } |
| else if (flags & STYP_OVRFLO) |
| printf (_("overflow - nreloc: %u, nlnno: %u\n"), |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_paddr), |
| (unsigned int)bfd_h_get_32 (abfd, scn.s_vaddr)); |
| else |
| { |
| dump_flags (s_flag_xlat, flags); |
| putchar ('\n'); |
| } |
| } |
| } |
| |
| /* Read section table. */ |
| |
| static void |
| xcoff32_read_sections (bfd *abfd, struct xcoff_dump *data) |
| { |
| int i; |
| |
| if (bfd_seek (abfd, sizeof (struct external_filehdr) + data->opthdr, |
| SEEK_SET) != 0) |
| { |
| non_fatal (_("cannot read section headers")); |
| return; |
| } |
| |
| data->sects = xmalloc (data->nscns * sizeof (struct xcoff32_section)); |
| for (i = 0; i < data->nscns; i++) |
| { |
| struct external_scnhdr scn; |
| struct xcoff32_section *s = &data->sects[i]; |
| |
| if (bfd_bread (&scn, sizeof (scn), abfd) != sizeof (scn)) |
| { |
| non_fatal (_("cannot read section header")); |
| free (data->sects); |
| data->sects = NULL; |
| return; |
| } |
| memcpy (s->name, scn.s_name, 8); |
| s->name[8] = 0; |
| s->flags = bfd_h_get_32 (abfd, scn.s_flags); |
| |
| s->scnptr = bfd_h_get_32 (abfd, scn.s_scnptr); |
| s->relptr = bfd_h_get_32 (abfd, scn.s_relptr); |
| s->lnnoptr = bfd_h_get_32 (abfd, scn.s_lnnoptr); |
| |
| s->nreloc = bfd_h_get_16 (abfd, scn.s_nreloc); |
| s->nlnno = bfd_h_get_16 (abfd, scn.s_nlnno); |
| |
| if (s->flags == STYP_OVRFLO) |
| { |
| if (s->nreloc > 0 && s->nreloc <= data->nscns) |
| data->sects[s->nreloc - 1].nreloc = |
| bfd_h_get_32 (abfd, scn.s_paddr); |
| if (s->nlnno > 0 && s->nlnno <= data->nscns) |
| data->sects[s->nlnno - 1].nlnno = |
| bfd_h_get_32 (abfd, scn.s_vaddr); |
| } |
| } |
| } |
| |
| /* Read symbols. */ |
| |
| static void |
| xcoff32_read_symbols (bfd *abfd, struct xcoff_dump *data) |
| { |
| unsigned int i; |
| char stsz_arr[4]; |
| unsigned int stptr; |
| |
| if (data->nsyms == 0) |
| return; |
| |
| stptr = data->symptr |
| + data->nsyms * (unsigned)sizeof (struct external_syment); |
| |
| /* Read string table. */ |
| if (bfd_seek (abfd, stptr, SEEK_SET) != 0 |
| || bfd_bread (&stsz_arr, sizeof (stsz_arr), abfd) != sizeof (stsz_arr)) |
| { |
| non_fatal (_("cannot read strings table length")); |
| data->strings_size = 0; |
| } |
| else |
| { |
| data->strings_size = bfd_h_get_32 (abfd, stsz_arr); |
| if (data->strings_size > sizeof (stsz_arr)) |
| { |
| unsigned int remsz = data->strings_size - sizeof (stsz_arr); |
| |
| data->strings = xmalloc (data->strings_size); |
| |
| memcpy (data->strings, stsz_arr, sizeof (stsz_arr)); |
| if (bfd_bread (data->strings + sizeof (stsz_arr), remsz, abfd) |
| != remsz) |
| { |
| non_fatal (_("cannot read strings table")); |
| goto clean; |
| } |
| } |
| } |
| |
| if (bfd_seek (abfd, data->symptr, SEEK_SET) != 0) |
| { |
| non_fatal (_("cannot read symbol table")); |
| goto clean; |
| } |
| |
| data->syms = (union xcoff32_symbol *) |
| xmalloc (data->nsyms * sizeof (union xcoff32_symbol)); |
| |
| for (i = 0; i < data->nsyms; i++) |
| { |
| struct external_syment sym; |
| int j; |
| union xcoff32_symbol *s = &data->syms[i]; |
| |
| if (bfd_bread (&sym, sizeof (sym), abfd) != sizeof (sym)) |
| { |
| non_fatal (_("cannot read symbol entry")); |
| goto clean; |
| } |
| |
| s->sym.val = bfd_h_get_32 (abfd, sym.e_value); |
| s->sym.scnum = bfd_h_get_16 (abfd, sym.e_scnum); |
| s->sym.ntype = bfd_h_get_16 (abfd, sym.e_type); |
| s->sym.sclass = bfd_h_get_8 (abfd, sym.e_sclass); |
| s->sym.numaux = bfd_h_get_8 (abfd, sym.e_numaux); |
| |
| if (sym.e.e_name[0]) |
| { |
| memcpy (s->sym.raw.name, sym.e.e_name, sizeof (sym.e.e_name)); |
| s->sym.raw.name[8] = 0; |
| s->sym.name = s->sym.raw.name; |
| } |
| else |
| { |
| unsigned int soff = bfd_h_get_32 (abfd, sym.e.e.e_offset); |
| |
| if ((s->sym.sclass & DBXMASK) == 0 && soff < data->strings_size) |
| s->sym.name = data->strings + soff; |
| else |
| { |
| s->sym.name = NULL; |
| s->sym.raw.off = soff; |
| } |
| } |
| |
| for (j = 0; j < s->sym.numaux; j++, i++) |
| { |
| if (bfd_bread (&s[j + 1].aux, |
| sizeof (union external_auxent), abfd) |
| != sizeof (union external_auxent)) |
| { |
| non_fatal (_("cannot read symbol aux entry")); |
| goto clean; |
| } |
| } |
| } |
| return; |
| clean: |
| free (data->syms); |
| data->syms = NULL; |
| free (data->strings); |
| data->strings = NULL; |
| } |
| |
| /* Dump xcoff symbols. */ |
| |
| static void |
| dump_xcoff32_symbols (bfd *abfd, struct xcoff_dump *data) |
| { |
| unsigned int i; |
| asection *debugsec; |
| char *debug = NULL; |
| |
| printf (_("Symbols table (strtable at 0x%08x)"), |
| data->symptr |
| + data->nsyms * (unsigned)sizeof (struct external_syment)); |
| if (data->nsyms == 0 || data->syms == NULL) |
| { |
| printf (_(":\n No symbols\n")); |
| return; |
| } |
| |
| /* Read strings table. */ |
| if (data->strings_size == 0) |
| printf (_(" (no strings):\n")); |
| else |
| printf (_(" (strings size: %08x):\n"), data->strings_size); |
| |
| /* Read debug section. */ |
| debugsec = bfd_get_section_by_name (abfd, ".debug"); |
| if (debugsec != NULL) |
| { |
| bfd_size_type size; |
| |
| size = bfd_section_size (debugsec); |
| debug = (char *) xmalloc (size); |
| bfd_get_section_contents (abfd, debugsec, debug, 0, size); |
| } |
| |
| /* Translators: 'sc' is for storage class, 'off' for offset. */ |
| printf (_(" # sc value section type aux name/off\n")); |
| for (i = 0; i < data->nsyms; i++) |
| { |
| union xcoff32_symbol *s = &data->syms[i]; |
| int j; |
| |
| printf ("%3u ", i); |
| dump_value (sc_xlat, s->sym.sclass, 10); |
| printf (" %08x ", s->sym.val); |
| if (s->sym.scnum > 0 && s->sym.scnum <= data->nscns) |
| { |
| if (data->sects != NULL) |
| printf ("%-8s", data->sects[s->sym.scnum - 1].name); |
| else |
| printf ("%-8u", s->sym.scnum); |
| } |
| else |
| switch ((signed short)s->sym.scnum) |
| { |
| case N_DEBUG: |
| printf ("N_DEBUG "); |
| break; |
| case N_ABS: |
| printf ("N_ABS "); |
| break; |
| case N_UNDEF: |
| printf ("N_UNDEF "); |
| break; |
| default: |
| printf ("(%04x) ", s->sym.scnum); |
| } |
| printf (" %04x %3u ", s->sym.ntype, s->sym.numaux); |
| if (s->sym.name != NULL) |
| printf ("%s", s->sym.name); |
| else |
| { |
| if ((s->sym.sclass & DBXMASK) != 0 && debug != NULL) |
| printf ("%s", debug + s->sym.raw.off); |
| else |
| printf ("%08x", s->sym.raw.off); |
| } |
| putchar ('\n'); |
| |
| for (j = 0; j < s->sym.numaux; j++, i++) |
| { |
| union external_auxent *aux = &s[j + 1].aux; |
| |
| printf (" %3u ", i + 1); |
| switch (s->sym.sclass) |
| { |
| case C_STAT: |
| /* Section length, number of relocs and line number. */ |
| printf (_(" scnlen: %08x nreloc: %-6u nlinno: %-6u\n"), |
| (unsigned)bfd_h_get_32 (abfd, aux->x_scn.x_scnlen), |
| (unsigned)bfd_h_get_16 (abfd, aux->x_scn.x_nreloc), |
| (unsigned)bfd_h_get_16 (abfd, aux->x_scn.x_nlinno)); |
| break; |
| case C_DWARF: |
| /* Section length and number of relocs. */ |
| printf (_(" scnlen: %08x nreloc: %-6u\n"), |
| (unsigned)bfd_h_get_32 (abfd, aux->x_scn.x_scnlen), |
| (unsigned)bfd_h_get_16 (abfd, aux->x_scn.x_nreloc)); |
| break; |
| case C_EXT: |
| case C_WEAKEXT: |
| case C_HIDEXT: |
| if (j == 0 && s->sym.numaux > 1) |
| { |
| /* Function aux entry (Do not translate). */ |
| printf (" exptr: %08x fsize: %08x lnnoptr: %08x endndx: %u\n", |
| (unsigned)bfd_h_get_32 (abfd, aux->x_fcn.x_exptr), |
| (unsigned)bfd_h_get_32 |
| (abfd, aux->x_fcn.x_fsize), |
| (unsigned)bfd_h_get_32 |
| (abfd, aux->x_fcn.x_lnnoptr), |
| (unsigned)bfd_h_get_32 |
| (abfd, aux->x_fcn.x_endndx)); |
| } |
| else if (j == 1 || (j == 0 && s->sym.numaux == 1)) |
| { |
| /* csect aux entry. */ |
| unsigned char smtyp; |
| unsigned int scnlen; |
| |
| smtyp = bfd_h_get_8 (abfd, aux->x_csect.x_smtyp); |
| scnlen = bfd_h_get_32 (abfd, aux->x_csect.x_scnlen); |
| |
| if (smtyp == XTY_LD) |
| printf (" scnsym: %-8u", scnlen); |
| else |
| printf (" scnlen: %08x", scnlen); |
| printf (" h: parm=%08x sn=%04x al: 2**%u", |
| (unsigned)bfd_h_get_32 (abfd, aux->x_csect.x_parmhash), |
| (unsigned)bfd_h_get_16 (abfd, aux->x_csect.x_snhash), |
| SMTYP_ALIGN (smtyp)); |
| printf (" typ: "); |
| dump_value (smtyp_xlat, SMTYP_SMTYP (smtyp), 2); |
| printf (" cl: "); |
| dump_value |
| (smclas_xlat, |
| (unsigned)bfd_h_get_8 (abfd, aux->x_csect.x_smclas), 6); |
| putchar ('\n'); |
| } |
| else |
| /* Do not translate - generic field name. */ |
| printf ("aux\n"); |
| break; |
| case C_FILE: |
| { |
| unsigned int off; |
| |
| printf (" ftype: %02x ", |
| (unsigned)bfd_h_get_8 (abfd, aux->x_file.x_ftype)); |
| if (aux->x_file.x_n.x_fname[0] != 0) |
| printf ("fname: %.14s", aux->x_file.x_n.x_fname); |
| else |
| { |
| off = (unsigned)bfd_h_get_32 |
| (abfd, aux->x_file.x_n.x_n.x_offset); |
| if (data->strings != NULL && off < data->strings_size) |
| printf (" %s", data->strings + off); |
| else |
| printf (_("offset: %08x"), off); |
| } |
| putchar ('\n'); |
| } |
| break; |
| case C_BLOCK: |
| case C_FCN: |
| printf (" lnno: %u\n", |
| (unsigned)bfd_h_get_16 |
| (abfd, aux->x_sym.x_lnno)); |
| break; |
| default: |
| /* Do not translate - generic field name. */ |
| printf ("aux\n"); |
| break; |
| } |
| } |
| |
| } |
| free (debug); |
| } |
| |
| /* Dump xcoff relocation entries. */ |
| |
| static void |
| dump_xcoff32_relocs (bfd *abfd, struct xcoff_dump *data) |
| { |
| unsigned int i; |
| |
| if (data->sects == NULL) |
| { |
| non_fatal (_("cannot read section headers")); |
| return; |
| } |
| |
| for (i = 0; i < data->nscns; i++) |
| { |
| struct xcoff32_section *sect = &data->sects[i]; |
| unsigned int nrel = sect->nreloc; |
| unsigned int j; |
| |
| if (nrel == 0) |
| continue; |
| printf (_("Relocations for %s (%u)\n"), sect->name, nrel); |
| if (bfd_seek (abfd, sect->relptr, SEEK_SET) != 0) |
| { |
| non_fatal (_("cannot read relocations")); |
| continue; |
| } |
| /* Do not translate: fields name. */ |
| printf ("vaddr sgn mod sz type symndx symbol\n"); |
| for (j = 0; j < nrel; j++) |
| { |
| struct external_reloc rel; |
| unsigned char rsize; |
| unsigned int symndx; |
| |
| if (bfd_bread (&rel, sizeof (rel), abfd) != sizeof (rel)) |
| { |
| non_fatal (_("cannot read relocation entry")); |
| return; |
| } |
| rsize = bfd_h_get_8 (abfd, rel.r_size); |
| printf ("%08x %c %c %-2u ", |
| (unsigned int)bfd_h_get_32 (abfd, rel.r_vaddr), |
| rsize & 0x80 ? 'S' : 'U', |
| rsize & 0x40 ? 'm' : ' ', |
| (rsize & 0x3f) + 1); |
| dump_value (rtype_xlat, bfd_h_get_8 (abfd, rel.r_type), 6); |
| symndx = bfd_h_get_32 (abfd, rel.r_symndx); |
| printf ("%-6u ", symndx); |
| xcoff32_print_symbol (data, symndx); |
| putchar ('\n'); |
| } |
| putchar ('\n'); |
| } |
| } |
| |
| /* Dump xcoff line number entries. */ |
| |
| static void |
| dump_xcoff32_lineno (bfd *abfd, struct xcoff_dump *data) |
| { |
| unsigned int i; |
| |
| if (data->sects == NULL) |
| { |
| non_fatal (_("cannot read section headers")); |
| return; |
| } |
| |
| for (i = 0; i < data->nscns; i++) |
| { |
| struct xcoff32_section *sect = &data->sects[i]; |
| unsigned int nlnno = sect->nlnno; |
| unsigned int j; |
| |
| if (nlnno == 0) |
| continue; |
| printf (_("Line numbers for %s (%u)\n"), sect->name, nlnno); |
| if (bfd_seek (abfd, sect->lnnoptr, SEEK_SET) != 0) |
| { |
| non_fatal (_("cannot read line numbers")); |
| continue; |
| } |
| /* Line number, symbol index and physical address. */ |
| printf (_("lineno symndx/paddr\n")); |
| for (j = 0; j < nlnno; j++) |
| { |
| struct external_lineno ln; |
| unsigned int no; |
| |
| if (bfd_bread (&ln, sizeof (ln), abfd) != sizeof (ln)) |
| { |
| non_fatal (_("cannot read line number entry")); |
| return; |
| } |
| no = bfd_h_get_16 (abfd, ln.l_lnno); |
| printf (" %-6u ", no); |
| if (no == 0) |
| { |
| unsigned int symndx = bfd_h_get_32 (abfd, ln.l_addr.l_symndx); |
| xcoff32_print_symbol (data, symndx); |
| } |
| else |
| printf ("0x%08x", |
| (unsigned int)bfd_h_get_32 (abfd, ln.l_addr.l_paddr)); |
| putchar ('\n'); |
| } |
| } |
| } |
| |
| /* Dump xcoff loader section. */ |
| |
| static void |
| dump_xcoff32_loader (bfd *abfd) |
| { |
| asection *loader; |
| bfd_size_type size = 0; |
| struct external_ldhdr *lhdr; |
| struct external_ldsym *ldsym; |
| struct external_ldrel *ldrel; |
| bfd_byte *ldr_data; |
| unsigned int version; |
| unsigned int ndsyms; |
| unsigned int ndrel; |
| unsigned int stlen; |
| unsigned int stoff; |
| unsigned int impoff; |
| unsigned int nimpid; |
| unsigned int i; |
| const char *p; |
| |
| loader = bfd_get_section_by_name (abfd, ".loader"); |
| |
| if (loader == NULL) |
| { |
| printf (_("no .loader section in file\n")); |
| return; |
| } |
| size = bfd_section_size (loader); |
| if (size < sizeof (*lhdr)) |
| { |
| printf (_("section .loader is too short\n")); |
| return; |
| } |
| |
| ldr_data = (bfd_byte *) xmalloc (size); |
| bfd_get_section_contents (abfd, loader, ldr_data, 0, size); |
| lhdr = (struct external_ldhdr *)ldr_data; |
| printf (_("Loader header:\n")); |
| version = bfd_h_get_32 (abfd, lhdr->l_version); |
| printf (_(" version: %u\n"), version); |
| if (version != 1) |
| { |
| printf (_(" Unhandled version\n")); |
| free (ldr_data); |
| return; |
| } |
| ndsyms = bfd_h_get_32 (abfd, lhdr->l_nsyms); |
| printf (_(" nbr symbols: %u\n"), ndsyms); |
| ndrel = bfd_h_get_32 (abfd, lhdr->l_nreloc); |
| printf (_(" nbr relocs: %u\n"), ndrel); |
| /* Import string table length. */ |
| printf (_(" import strtab len: %u\n"), |
| (unsigned) bfd_h_get_32 (abfd, lhdr->l_istlen)); |
| nimpid = bfd_h_get_32 (abfd, lhdr->l_nimpid); |
| printf (_(" nbr import files: %u\n"), nimpid); |
| impoff = bfd_h_get_32 (abfd, lhdr->l_impoff); |
| printf (_(" import file off: %u\n"), impoff); |
| stlen = bfd_h_get_32 (abfd, lhdr->l_stlen); |
| printf (_(" string table len: %u\n"), stlen); |
| stoff = bfd_h_get_32 (abfd, lhdr->l_stoff); |
| printf (_(" string table off: %u\n"), stoff); |
| |
| ldsym = (struct external_ldsym *)(ldr_data + sizeof (*lhdr)); |
| printf (_("Dynamic symbols:\n")); |
| /* Do not translate: field names. */ |
| printf (" # value sc IFEW ty class file pa name\n"); |
| for (i = 0; i < ndsyms; i++, ldsym++) |
| { |
| unsigned char smtype; |
| |
| printf (_(" %4u %08x %3u "), i, |
| (unsigned)bfd_h_get_32 (abfd, ldsym->l_value), |
| (unsigned)bfd_h_get_16 (abfd, ldsym->l_scnum)); |
| smtype = bfd_h_get_8 (abfd, ldsym->l_smtype); |
| putchar (smtype & 0x40 ? 'I' : ' '); |
| putchar (smtype & 0x20 ? 'F' : ' '); |
| putchar (smtype & 0x10 ? 'E' : ' '); |
| putchar (smtype & 0x08 ? 'W' : ' '); |
| putchar (' '); |
| dump_value (smtyp_xlat, SMTYP_SMTYP (smtype), 2); |
| putchar (' '); |
| dump_value |
| (smclas_xlat, (unsigned)bfd_h_get_8 (abfd, ldsym->l_smclas), 6); |
| printf (_(" %3u %3u "), |
| (unsigned)bfd_h_get_32 (abfd, ldsym->l_ifile), |
| (unsigned)bfd_h_get_32 (abfd, ldsym->l_parm)); |
| if (ldsym->_l._l_name[0] != 0) |
| printf ("%-.8s", ldsym->_l._l_name); |
| else |
| { |
| unsigned int off = bfd_h_get_32 (abfd, ldsym->_l._l_l._l_offset); |
| if (off > stlen) |
| printf (_("(bad offset: %u)"), off); |
| else |
| printf ("%s", ldr_data + stoff + off); |
| } |
| putchar ('\n'); |
| } |
| |
| printf (_("Dynamic relocs:\n")); |
| /* Do not translate fields name. */ |
| printf (" vaddr sec sz typ sym\n"); |
| ldrel = (struct external_ldrel *)(ldr_data + sizeof (*lhdr) |
| + ndsyms * sizeof (*ldsym)); |
| for (i = 0; i < ndrel; i++, ldrel++) |
| { |
| unsigned int rsize; |
| unsigned int rtype; |
| unsigned int symndx; |
| |
| rsize = bfd_h_get_8 (abfd, ldrel->l_rtype + 0); |
| rtype = bfd_h_get_8 (abfd, ldrel->l_rtype + 1); |
| |
| printf (" %08x %3u %c%c %2u ", |
| (unsigned)bfd_h_get_32 (abfd, ldrel->l_vaddr), |
| (unsigned)bfd_h_get_16 (abfd, ldrel->l_rsecnm), |
| rsize & 0x80 ? 'S' : 'U', |
| rsize & 0x40 ? 'm' : ' ', |
| (rsize & 0x3f) + 1); |
| dump_value (rtype_xlat, rtype, 6); |
| symndx = bfd_h_get_32 (abfd, ldrel->l_symndx); |
| switch (symndx) |
| { |
| case 0: |
| printf (".text"); |
| break; |
| case 1: |
| printf (".data"); |
| break; |
| case 2: |
| printf (".bss"); |
| break; |
| default: |
| printf ("%u", symndx - 3); |
| break; |
| } |
| putchar ('\n'); |
| } |
| |
| printf (_("Import files:\n")); |
| p = (char *)ldr_data + impoff; |
| for (i = 0; i < nimpid; i++) |
| { |
| int n1, n2, n3; |
| |
| n1 = strlen (p); |
| n2 = strlen (p + n1 + 1); |
| n3 = strlen (p + n1 + 1 + n2+ 1); |
| printf (" %2u: %s,%s,%s\n", i, |
| p, p + n1 + 1, p + n1 + n2 + 2); |
| p += n1 + n2 + n3 + 3; |
| } |
| |
| free (ldr_data); |
| } |
| |
| /* Dump xcoff exception section. */ |
| |
| static void |
| dump_xcoff32_except (bfd *abfd, struct xcoff_dump *data) |
| { |
| asection *sec; |
| bfd_size_type size = 0; |
| bfd_byte *excp_data; |
| struct external_exceptab *exceptab; |
| unsigned int i; |
| |
| sec = bfd_get_section_by_name (abfd, ".except"); |
| |
| if (sec == NULL) |
| { |
| printf (_("no .except section in file\n")); |
| return; |
| } |
| size = bfd_section_size (sec); |
| excp_data = (bfd_byte *) xmalloc (size); |
| bfd_get_section_contents (abfd, sec, excp_data, 0, size); |
| exceptab = (struct external_exceptab *)excp_data; |
| |
| printf (_("Exception table:\n")); |
| /* Do not translate fields name. */ |
| printf ("lang reason sym/addr\n"); |
| for (i = 0; i * sizeof (*exceptab) < size; i++, exceptab++) |
| { |
| unsigned int reason; |
| unsigned int addr; |
| |
| addr = bfd_get_32 (abfd, exceptab->e_addr.e_paddr); |
| reason = bfd_get_8 (abfd, exceptab->e_reason); |
| printf (" %02x %02x ", |
| (unsigned) bfd_get_8 (abfd, exceptab->e_lang), reason); |
| if (reason == 0) |
| xcoff32_print_symbol (data, addr); |
| else |
| printf ("@%08x", addr); |
| putchar ('\n'); |
| } |
| free (excp_data); |
| } |
| |
| /* Dump xcoff type-check section. */ |
| |
| static void |
| dump_xcoff32_typchk (bfd *abfd) |
| { |
| asection *sec; |
| bfd_size_type size = 0; |
| bfd_byte *data; |
| unsigned int i; |
| |
| sec = bfd_get_section_by_name (abfd, ".typchk"); |
| |
| if (sec == NULL) |
| { |
| printf (_("no .typchk section in file\n")); |
| return; |
| } |
| size = bfd_section_size (sec); |
| data = (bfd_byte *) xmalloc (size); |
| bfd_get_section_contents (abfd, sec, data, 0, size); |
| |
| printf (_("Type-check section:\n")); |
| /* Do not translate field names. */ |
| printf ("offset len lang-id general-hash language-hash\n"); |
| for (i = 0; i < size;) |
| { |
| unsigned int len; |
| |
| len = bfd_get_16 (abfd, data + i); |
| printf ("%08x: %-4u ", i, len); |
| i += 2; |
| |
| if (len == 10) |
| { |
| /* Expected format. */ |
| printf ("%04x %08x %08x\n", |
| (unsigned) bfd_get_16 (abfd, data + i), |
| (unsigned) bfd_get_32 (abfd, data + i + 2), |
| (unsigned) bfd_get_32 (abfd, data + i + 2 + 4)); |
| } |
| else |
| { |
| unsigned int j; |
| |
| for (j = 0; j < len; j++) |
| { |
| if (j % 16 == 0) |
| printf ("\n "); |
| printf (" %02x", (unsigned char)data[i + j]); |
| } |
| putchar ('\n'); |
| } |
| i += len; |
| } |
| free (data); |
| } |
| |
| /* Dump xcoff traceback tags section. */ |
| |
| static void |
| dump_xcoff32_tbtags (bfd *abfd, |
| const char *text, bfd_size_type text_size, |
| unsigned int text_start, unsigned int func_start) |
| { |
| unsigned int i; |
| |
| if (func_start - text_start > text_size) |
| { |
| printf (_(" address beyond section size\n")); |
| return; |
| } |
| for (i = func_start - text_start; i < text_size; i+= 4) |
| if (bfd_get_32 (abfd, text + i) == 0) |
| { |
| unsigned int tb1; |
| unsigned int tb2; |
| unsigned int off; |
| |
| printf (_(" tags at %08x\n"), i + 4); |
| if (i + 8 >= text_size) |
| goto truncated; |
| |
| tb1 = bfd_get_32 (abfd, text + i + 4); |
| tb2 = bfd_get_32 (abfd, text + i + 8); |
| off = i + 12; |
| printf (" version: %u, lang: %u, global_link: %u, is_eprol: %u, has_tboff: %u, int_proc: %u\n", |
| (tb1 >> 24) & 0xff, |
| (tb1 >> 16) & 0xff, |
| (tb1 >> 15) & 1, |
| (tb1 >> 14) & 1, |
| (tb1 >> 13) & 1, |
| (tb1 >> 12) & 1); |
| printf (" has_ctl: %u, tocless: %u, fp_pres: %u, log_abort: %u, int_hndl: %u\n", |
| (tb1 >> 11) & 1, |
| (tb1 >> 10) & 1, |
| (tb1 >> 9) & 1, |
| (tb1 >> 8) & 1, |
| (tb1 >> 7) & 1); |
| printf (" name_pres: %u, uses_alloca: %u, cl_dis_inv: %u, saves_cr: %u, saves_lr: %u\n", |
| (tb1 >> 6) & 1, |
| (tb1 >> 5) & 1, |
| (tb1 >> 2) & 7, |
| (tb1 >> 1) & 1, |
| (tb1 >> 0) & 1); |
| printf (" stores_bc: %u, fixup: %u, fpr_saved: %-2u, spare3: %u, gpr_saved: %-2u\n", |
| (tb2 >> 31) & 1, |
| (tb2 >> 30) & 1, |
| (tb2 >> 24) & 63, |
| (tb2 >> 22) & 3, |
| (tb2 >> 16) & 63); |
| printf (" fixparms: %-3u floatparms: %-3u parm_on_stk: %u\n", |
| (tb2 >> 8) & 0xff, |
| (tb2 >> 1) & 0x7f, |
| (tb2 >> 0) & 1); |
| |
| if (((tb2 >> 1) & 0x7fff) != 0) |
| { |
| unsigned int parminfo; |
| |
| if (off >= text_size) |
| goto truncated; |
| parminfo = bfd_get_32 (abfd, text + off); |
| off += 4; |
| printf (" parminfo: 0x%08x\n", parminfo); |
| } |
| |
| if ((tb1 >> 13) & 1) |
| { |
| unsigned int tboff; |
| |
| if (off >= text_size) |
| goto truncated; |
| tboff = bfd_get_32 (abfd, text + off); |
| off += 4; |
| printf (" tb_offset: 0x%08x (start=0x%08x)\n", |
| tboff, text_start + i - tboff); |
| } |
| if ((tb1 >> 7) & 1) |
| { |
| unsigned int hand_mask; |
| |
| if (off >= text_size) |
| goto truncated; |
| hand_mask = bfd_get_32 (abfd, text + off); |
| off += 4; |
| printf (" hand_mask_offset: 0x%08x\n", hand_mask); |
| } |
| if ((tb1 >> 11) & 1) |
| { |
| unsigned int ctl_info; |
| unsigned int j; |
| |
| if (off >= text_size) |
| goto truncated; |
| ctl_info = bfd_get_32 (abfd, text + off); |
| off += 4; |
| printf (_(" number of CTL anchors: %u\n"), ctl_info); |
| for (j = 0; j < ctl_info; j++) |
| { |
| if (off >= text_size) |
| goto truncated; |
| printf (" CTL[%u]: %08x\n", |
| j, (unsigned)bfd_get_32 (abfd, text + off)); |
| off += 4; |
| } |
| } |
| if ((tb1 >> 6) & 1) |
| { |
| unsigned int name_len; |
| unsigned int j; |
| |
| if (off >= text_size) |
| goto truncated; |
| name_len = bfd_get_16 (abfd, text + off); |
| off += 2; |
| printf (_(" Name (len: %u): "), name_len); |
| if (off + name_len >= text_size) |
| { |
| printf (_("[truncated]\n")); |
| goto truncated; |
| } |
| for (j = 0; j < name_len; j++) |
| if (ISPRINT (text[off + j])) |
| putchar (text[off + j]); |
| else |
| printf ("[%02x]", (unsigned char)text[off + j]); |
| putchar ('\n'); |
| off += name_len; |
| } |
| if ((tb1 >> 5) & 1) |
| { |
| if (off >= text_size) |
| goto truncated; |
| printf (" alloca reg: %u\n", |
| (unsigned) bfd_get_8 (abfd, text + off)); |
| off++; |
| } |
| printf (_(" (end of tags at %08x)\n"), text_start + off); |
| return; |
| } |
| printf (_(" no tags found\n")); |
| return; |
| |
| truncated: |
| printf (_(" Truncated .text section\n")); |
| return; |
| } |
| |
| static void |
| dump_xcoff32_traceback (bfd *abfd, struct xcoff_dump *data) |
| { |
| unsigned int i; |
| unsigned int scnum_text = -1; |
| unsigned int text_vma; |
| asection *text_sec; |
| bfd_size_type text_size; |
| char *text; |
| |
| if (data->syms == NULL || data->sects == NULL) |
| return; |
| |
| /* Read text section. */ |
| text_sec = bfd_get_section_by_name (abfd, ".text"); |
| if (text_sec == NULL) |
| return; |
| text_vma = bfd_section_vma (text_sec); |
| |
| text_size = bfd_section_size (text_sec); |
| text = (char *) xmalloc (text_size); |
| bfd_get_section_contents (abfd, text_sec, text, 0, text_size); |
| |
| for (i = 0; i < data->nscns; i++) |
| if (data->sects[i].flags == STYP_TEXT) |
| { |
| scnum_text = i + 1; |
| break; |
| } |
| if (scnum_text == (unsigned int)-1) |
| return; |
| |
| for (i = 0; i < data->nsyms; i++) |
| { |
| union xcoff32_symbol *s = &data->syms[i]; |
| |
| switch (s->sym.sclass) |
| { |
| case C_EXT: |
| case C_HIDEXT: |
| case C_WEAKEXT: |
| if (s->sym.scnum == scnum_text |
| && s->sym.numaux > 0) |
| { |
| union external_auxent *aux = &s[s->sym.numaux].aux; |
| |
| unsigned int smtyp; |
| unsigned int smclas; |
| |
| smtyp = bfd_h_get_8 (abfd, aux->x_csect.x_smtyp); |
| smclas = bfd_h_get_8 (abfd, aux->x_csect.x_smclas); |
| if (SMTYP_SMTYP (smtyp) == XTY_LD |
| && (smclas == XMC_PR |
| || smclas == XMC_GL |
| || smclas == XMC_XO)) |
| { |
| printf ("%08x: ", s->sym.val); |
| xcoff32_print_symbol (data, i); |
| putchar ('\n'); |
| dump_xcoff32_tbtags (abfd, text, text_size, |
| text_vma, s->sym.val); |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| i += s->sym.numaux; |
| } |
| free (text); |
| } |
| |
| /* Dump the TOC symbols. */ |
| |
| static void |
| dump_xcoff32_toc (bfd *abfd, struct xcoff_dump *data) |
| { |
| unsigned int i; |
| unsigned int nbr_ent; |
| unsigned int size; |
| |
| printf (_("TOC:\n")); |
| |
| if (data->syms == NULL) |
| return; |
| |
| nbr_ent = 0; |
| size = 0; |
| |
| for (i = 0; i < data->nsyms; i++) |
| { |
| union xcoff32_symbol *s = &data->syms[i]; |
| |
| switch (s->sym.sclass) |
| { |
| case C_EXT: |
| case C_HIDEXT: |
| case C_WEAKEXT: |
| if (s->sym.numaux > 0) |
| { |
| union external_auxent *aux = &s[s->sym.numaux].aux; |
| unsigned int smclas; |
| unsigned int ent_sz; |
| |
| smclas = bfd_h_get_8 (abfd, aux->x_csect.x_smclas); |
| if (smclas == XMC_TC |
| || smclas == XMC_TD |
| || smclas == XMC_TC0) |
| { |
| ent_sz = bfd_h_get_32 (abfd, aux->x_scn.x_scnlen); |
| printf ("%08x %08x ", |
| s->sym.val, ent_sz); |
| xcoff32_print_symbol (data, i); |
| putchar ('\n'); |
| nbr_ent++; |
| size += ent_sz; |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| i += s->sym.numaux; |
| } |
| printf (_("Nbr entries: %-8u Size: %08x (%u)\n"), |
| nbr_ent, size, size); |
| } |
| |
| /* Handle an rs6000 xcoff file. */ |
| |
| static void |
| dump_xcoff32 (bfd *abfd, struct external_filehdr *fhdr) |
| { |
| struct xcoff_dump data; |
| |
| data.nscns = bfd_h_get_16 (abfd, fhdr->f_nscns); |
| data.symptr = bfd_h_get_32 (abfd, fhdr->f_symptr); |
| data.nsyms = bfd_h_get_32 (abfd, fhdr->f_nsyms); |
| data.opthdr = bfd_h_get_16 (abfd, fhdr->f_opthdr); |
| data.sects = NULL; |
| data.syms = NULL; |
| data.strings = NULL; |
| data.strings_size = 0; |
| |
| if (options[OPT_FILE_HEADER].selected) |
| dump_xcoff32_file_header (abfd, fhdr, &data); |
| |
| if (options[OPT_AOUT].selected) |
| dump_xcoff32_aout_header (abfd, &data); |
| |
| if (options[OPT_SYMS].selected |
| || options[OPT_RELOCS].selected |
| || options[OPT_LINENO].selected |
| || options[OPT_TRACEBACK].selected) |
| xcoff32_read_sections (abfd, &data); |
| |
| if (options[OPT_SECTIONS].selected) |
| dump_xcoff32_sections_header (abfd, &data); |
| |
| if (options[OPT_SYMS].selected |
| || options[OPT_RELOCS].selected |
| || options[OPT_LINENO].selected |
| || options[OPT_EXCEPT].selected |
| || options[OPT_TRACEBACK].selected |
| || options[OPT_TOC].selected) |
| xcoff32_read_symbols (abfd, &data); |
| |
| if (options[OPT_SYMS].selected) |
| dump_xcoff32_symbols (abfd, &data); |
| |
| if (options[OPT_RELOCS].selected) |
| dump_xcoff32_relocs (abfd, &data); |
| |
| if (options[OPT_LINENO].selected) |
| dump_xcoff32_lineno (abfd, &data); |
| |
| if (options[OPT_LOADER].selected) |
| dump_xcoff32_loader (abfd); |
| |
| if (options[OPT_EXCEPT].selected) |
| dump_xcoff32_except (abfd, &data); |
| |
| if (options[OPT_TYPCHK].selected) |
| dump_xcoff32_typchk (abfd); |
| |
| if (options[OPT_TRACEBACK].selected) |
| dump_xcoff32_traceback (abfd, &data); |
| |
| if (options[OPT_TOC].selected) |
| dump_xcoff32_toc (abfd, &data); |
| |
| free (data.sects); |
| free (data.strings); |
| free (data.syms); |
| } |
| |
| /* Dump ABFD (according to the options[] array). */ |
| |
| static void |
| xcoff_dump_obj (bfd *abfd) |
| { |
| struct external_filehdr fhdr; |
| unsigned short magic; |
| |
| /* Read file header. */ |
| if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
| || bfd_bread (&fhdr, sizeof (fhdr), abfd) != sizeof (fhdr)) |
| { |
| non_fatal (_("cannot read header")); |
| return; |
| } |
| |
| /* Decoding. We don't use the bfd/coff function to get all the fields. */ |
| magic = bfd_h_get_16 (abfd, fhdr.f_magic); |
| if (options[OPT_FILE_HEADER].selected) |
| { |
| printf (_("File header:\n")); |
| printf (_(" magic: 0x%04x (0%04o) "), magic, magic); |
| switch (magic) |
| { |
| case U802WRMAGIC: |
| printf (_("(WRMAGIC: writable text segments)")); |
| break; |
| case U802ROMAGIC: |
| printf (_("(ROMAGIC: readonly sharablee text segments)")); |
| break; |
| case U802TOCMAGIC: |
| printf (_("(TOCMAGIC: readonly text segments and TOC)")); |
| break; |
| default: |
| printf (_("unknown magic")); |
| break; |
| } |
| putchar ('\n'); |
| } |
| if (magic == U802ROMAGIC || magic == U802WRMAGIC || magic == U802TOCMAGIC) |
| dump_xcoff32 (abfd, &fhdr); |
| else |
| printf (_(" Unhandled magic\n")); |
| } |
| |
| /* Handle an AIX dumpx core file. */ |
| |
| static void |
| dump_dumpx_core (bfd *abfd, struct external_core_dumpx *hdr) |
| { |
| if (options[OPT_FILE_HEADER].selected) |
| { |
| printf (" signal: %u\n", |
| (unsigned) bfd_h_get_8 (abfd, hdr->c_signo)); |
| printf (" flags: 0x%02x\n", |
| (unsigned) bfd_h_get_8 (abfd, hdr->c_flag)); |
| printf (" entries: %u\n", |
| (unsigned) bfd_h_get_16 (abfd, hdr->c_entries)); |
| #ifdef BFD64 |
| printf (" fdsinfox: offset: 0x%08" BFD_VMA_FMT "x\n", |
| bfd_h_get_64 (abfd, hdr->c_fdsinfox)); |
| printf (" loader: offset: 0x%08" BFD_VMA_FMT "x, " |
| "size: 0x%" BFD_VMA_FMT"x\n", |
| bfd_h_get_64 (abfd, hdr->c_loader), |
| bfd_h_get_64 (abfd, hdr->c_lsize)); |
| printf (" thr: offset: 0x%08" BFD_VMA_FMT "x, nbr: %u\n", |
| bfd_h_get_64 (abfd, hdr->c_thr), |
| (unsigned) bfd_h_get_32 (abfd, hdr->c_n_thr)); |
| printf (" segregions: offset: 0x%08" BFD_VMA_FMT "x, " |
| "nbr: %" BFD_VMA_FMT "u\n", |
| bfd_h_get_64 (abfd, hdr->c_segregion), |
| bfd_h_get_64 (abfd, hdr->c_segs)); |
| printf (" stack: offset: 0x%08" BFD_VMA_FMT "x, " |
| "org: 0x%" BFD_VMA_FMT"x, " |
| "size: 0x%" BFD_VMA_FMT"x\n", |
| bfd_h_get_64 (abfd, hdr->c_stack), |
| bfd_h_get_64 (abfd, hdr->c_stackorg), |
| bfd_h_get_64 (abfd, hdr->c_size)); |
| printf (" data: offset: 0x%08" BFD_VMA_FMT "x, " |
| "org: 0x%" BFD_VMA_FMT"x, " |
| "size: 0x%" BFD_VMA_FMT"x\n", |
| bfd_h_get_64 (abfd, hdr->c_data), |
| bfd_h_get_64 (abfd, hdr->c_dataorg), |
| bfd_h_get_64 (abfd, hdr->c_datasize)); |
| printf (" sdata: org: 0x%" BFD_VMA_FMT"x, " |
| "size: 0x%" BFD_VMA_FMT"x\n", |
| bfd_h_get_64 (abfd, hdr->c_sdorg), |
| bfd_h_get_64 (abfd, hdr->c_sdsize)); |
| printf (" vmmregions: offset: 0x%" BFD_VMA_FMT"x, " |
| "num: 0x%" BFD_VMA_FMT"x\n", |
| bfd_h_get_64 (abfd, hdr->c_vmm), |
| bfd_h_get_64 (abfd, hdr->c_vmmregions)); |
| printf (" impl: 0x%08x\n", |
| (unsigned) bfd_h_get_32 (abfd, hdr->c_impl)); |
| printf (" cprs: 0x%" BFD_VMA_FMT "x\n", |
| bfd_h_get_64 (abfd, hdr->c_cprs)); |
| #endif |
| } |
| if (options[OPT_LDINFO].selected) |
| { |
| #ifdef BFD64 |
| file_ptr off = (file_ptr) bfd_h_get_64 (abfd, hdr->c_loader); |
| bfd_size_type len = (bfd_size_type) bfd_h_get_64 (abfd, hdr->c_lsize); |
| char *ldr; |
| |
| ldr = xmalloc (len); |
| if (bfd_seek (abfd, off, SEEK_SET) != 0 |
| || bfd_bread (ldr, len, abfd) != len) |
| non_fatal (_("cannot read loader info table")); |
| else |
| { |
| char *p; |
| |
| printf ("\n" |
| "ld info:\n"); |
| printf (" next core off textorg textsize dataorg datasize\n"); |
| p = ldr; |
| while (1) |
| { |
| struct external_ld_info32 *l = (struct external_ld_info32 *)p; |
| unsigned int next; |
| size_t n1; |
| |
| next = bfd_h_get_32 (abfd, l->ldinfo_next); |
| printf (" %08x %08x %08x %08x %08x %08x\n", |
| next, |
| (unsigned) bfd_h_get_32 (abfd, l->core_offset), |
| (unsigned) bfd_h_get_32 (abfd, l->ldinfo_textorg), |
| (unsigned) bfd_h_get_32 (abfd, l->ldinfo_textsize), |
| (unsigned) bfd_h_get_32 (abfd, l->ldinfo_dataorg), |
| (unsigned) bfd_h_get_32 (abfd, l->ldinfo_datasize)); |
| n1 = strlen ((char *) l->ldinfo_filename); |
| printf (" %s %s\n", |
| l->ldinfo_filename, l->ldinfo_filename + n1 + 1); |
| if (next == 0) |
| break; |
| p += next; |
| } |
| } |
| #else |
| printf (_("\n" |
| "ldinfo dump not supported in 32 bits environments\n")); |
| #endif |
| } |
| } |
| |
| /* Dump a core file. */ |
| |
| static void |
| xcoff_dump_core (bfd *abfd) |
| { |
| struct external_core_dumpx hdr; |
| unsigned int version; |
| |
| /* Read file header. */ |
| if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
| || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
| { |
| non_fatal (_("cannot core read header")); |
| return; |
| } |
| |
| version = bfd_h_get_32 (abfd, hdr.c_version); |
| if (options[OPT_FILE_HEADER].selected) |
| { |
| printf (_("Core header:\n")); |
| printf (_(" version: 0x%08x "), version); |
| switch (version) |
| { |
| case CORE_DUMPX_VERSION: |
| printf (_("(dumpx format - aix4.3 / 32 bits)")); |
| break; |
| case CORE_DUMPXX_VERSION: |
| printf (_("(dumpxx format - aix5.0 / 64 bits)")); |
| break; |
| default: |
| printf (_("unknown format")); |
| break; |
| } |
| putchar ('\n'); |
| } |
| if (version == CORE_DUMPX_VERSION) |
| dump_dumpx_core (abfd, &hdr); |
| else |
| printf (_(" Unhandled magic\n")); |
| } |
| |
| /* Dump an XCOFF file. */ |
| |
| static void |
| xcoff_dump (bfd *abfd) |
| { |
| /* We rely on BFD to decide if the file is a core file. Note that core |
| files are only supported on native environment by BFD. */ |
| switch (bfd_get_format (abfd)) |
| { |
| case bfd_core: |
| xcoff_dump_core (abfd); |
| break; |
| default: |
| xcoff_dump_obj (abfd); |
| break; |
| } |
| } |
| |
| /* Vector for xcoff. */ |
| |
| const struct objdump_private_desc objdump_private_desc_xcoff = |
| { |
| xcoff_help, |
| xcoff_filter, |
| xcoff_dump, |
| options |
| }; |
