Dumper for PowerPC .edata section
This commit is contained in:
Kim Knuttila
parent
361e8876a0
commit
53d45489e3
2 changed files with 192 additions and 6 deletions
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@ -1,3 +1,10 @@
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Sun Dec 3 19:00:27 1995 Kim Knuttila <krk@cygnus.com>
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* peicode.h (pe_print_idata): Minor format fixes
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(pe_print_edata): New function. Under private printing, this formats
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the edata section of a PE file.
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(pe_print_private_bfd_data): Added call to pe_print_edata.
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Sun Dec 3 16:46:54 1995 Richard Earnshaw (rearnsha@armltd.co.uk)
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* aout-arm.c (MY_swap_std_reloc_out): Use KEEPIT to get the symbol
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191
bfd/peicode.h
191
bfd/peicode.h
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@ -1164,6 +1164,7 @@ pe_print_idata(abfd, vfile)
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rel_section));
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if (data == NULL && bfd_section_size (abfd, rel_section) != 0)
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return false;
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datasize = bfd_section_size (abfd, rel_section);
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bfd_get_section_contents (abfd,
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@ -1176,11 +1177,12 @@ pe_print_idata(abfd, vfile)
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start_address = bfd_get_32(abfd, data+offset);
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loadable_toc_address = bfd_get_32(abfd, data+offset+4);
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toc_address = loadable_toc_address - 32768;
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fprintf(file,
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"\nFunction descriptor located at the start address:\n");
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"\nFunction descriptor located at the start address: %04lx\n",
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(unsigned long int) (abfd->start_address));
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fprintf (file,
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" %04lx code-base %08lx toc (loadable) %08lx toc (actual) %08lx\n",
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(unsigned long int) (abfd->start_address),
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"\tcode-base %08lx toc (loadable/actual) %08lx/%08lx\n",
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start_address, loadable_toc_address, toc_address);
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}
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else
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@ -1327,9 +1329,185 @@ pe_print_idata(abfd, vfile)
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}
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free (data);
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}
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static boolean
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pe_print_edata(abfd, vfile)
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bfd*abfd;
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void *vfile;
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{
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FILE *file = vfile;
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bfd_byte *data = 0;
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asection *section = bfd_get_section_by_name (abfd, ".edata");
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bfd_size_type datasize = 0;
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bfd_size_type i;
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int adj;
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struct EDT_type
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{
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long export_flags; /* reserved - should be zero */
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long time_stamp;
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short major_ver;
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short minor_ver;
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bfd_vma name; /* rva - relative to image base */
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long base; /* ordinal base */
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long num_functions; /* Number in the export address table */
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long num_names; /* Number in the name pointer table */
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bfd_vma eat_addr; /* rva to the export address table */
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bfd_vma npt_addr; /* rva to the Export Name Pointer Table */
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bfd_vma ot_addr; /* rva to the Ordinal Table */
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} edt;
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pe_data_type *pe = pe_data (abfd);
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struct internal_extra_pe_aouthdr *extra = &pe->pe_opthdr;
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if (section == 0)
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return true;
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data = (bfd_byte *) bfd_malloc ((size_t) bfd_section_size (abfd,
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section));
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datasize = bfd_section_size (abfd, section);
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if (data == NULL && datasize != 0)
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return false;
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bfd_get_section_contents (abfd,
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section,
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(PTR) data, 0,
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bfd_section_size (abfd, section));
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/* Go get Export Directory Table */
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edt.export_flags = bfd_get_32(abfd, data+0);
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edt.time_stamp = bfd_get_32(abfd, data+4);
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edt.major_ver = bfd_get_16(abfd, data+8);
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edt.minor_ver = bfd_get_16(abfd, data+10);
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edt.name = bfd_get_32(abfd, data+12);
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edt.base = bfd_get_32(abfd, data+16);
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edt.num_functions = bfd_get_32(abfd, data+20);
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edt.num_names = bfd_get_32(abfd, data+24);
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edt.eat_addr = bfd_get_32(abfd, data+28);
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edt.npt_addr = bfd_get_32(abfd, data+32);
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edt.ot_addr = bfd_get_32(abfd, data+36);
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adj = extra->ImageBase - section->vma;
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/* Dump the EDT first first */
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fprintf(file,
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"\nThe Export Tables (interpreted .edata section contents)\n\n");
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fprintf(file,
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"Export Flags \t\t\t%x\n",edt.export_flags);
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fprintf(file,
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"Time/Date stamp \t\t%x\n",edt.time_stamp);
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fprintf(file,
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"Major/Minor \t\t\t%d/%d\n", edt.major_ver, edt.minor_ver);
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fprintf(file,
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"Name \t\t\t\t%x %s\n", edt.name, data + edt.name + adj);
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fprintf(file,
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"Ordinal Base \t\t\t%d\n", edt.base);
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fprintf(file,
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"Number in:\n");
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fprintf(file,
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"\tExport Address Table \t\t%x\n", edt.num_functions);
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fprintf(file,
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"\t[Name Pointer/Ordinal] Table\t%d\n", edt.num_names);
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fprintf(file,
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"Table Addresses\n");
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fprintf(file,
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"\tExport Address Table \t\t%x\n",
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edt.eat_addr);
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fprintf(file,
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"\tName Pointer Table \t\t%x\n",
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edt.npt_addr);
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fprintf(file,
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"\tOrdinal Table \t\t\t%x\n",
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edt.ot_addr);
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/* The next table to find si the Export Address Table. It's basically
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a list of pointers that either locate a function in this dll, or
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forward the call to another dll. Something like:
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typedef union
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{
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long export_rva;
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long forwarder_rva;
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} export_address_table_entry;
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*/
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fprintf(file,
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"\nExport Address Table -- Ordinal Base %d\n",
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edt.base);
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for (i = 0; i < edt.num_functions; ++i)
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{
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bfd_vma eat_member = bfd_get_32(abfd,
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data + edt.eat_addr + (i*4) + adj);
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bfd_vma eat_actual = extra->ImageBase + eat_member;
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bfd_vma edata_start = bfd_get_section_vma(abfd,section);
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bfd_vma edata_end = edata_start + bfd_section_size (abfd, section);
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if (eat_member == 0)
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continue;
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if (edata_start < eat_actual && eat_actual < edata_end)
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{
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/* this rva is to a name (forwarding function) in our section */
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/* Should locate a function descriptor */
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fprintf(file,
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"\t[%4d] +base[%4d] %04lx %s -- %s\n",
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i, i+edt.base, eat_member, "Forwarder RVA",
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data + eat_member + adj);
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}
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else
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{
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/* Should locate a function descriptor in the reldata section */
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fprintf(file,
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"\t[%4d] +base[%4d] %04lx %s\n",
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i, i+edt.base, eat_member, "Export RVA");
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}
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}
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/* The Export Name Pointer Table is paired with the Export Ordinal Table */
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/* Dump them in parallel for clarity */
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fprintf(file,
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"\n[Ordinal/Name Pointer] Table\n");
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for (i = 0; i < edt.num_names; ++i)
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{
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bfd_vma name_ptr = bfd_get_32(abfd,
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data +
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edt.npt_addr
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+ (i*4) + adj);
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char *name = data + name_ptr + adj;
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bfd_vma ord = bfd_get_16(abfd,
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data +
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edt.ot_addr
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+ (i*2) + adj);
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fprintf(file,
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"\t[%4d] %s\n", ord, name);
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}
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free (data);
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}
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static boolean
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pe_print_pdata(abfd, vfile)
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bfd*abfd;
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@ -1350,9 +1528,9 @@ pe_print_pdata(abfd, vfile)
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fprintf(file,
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"\nThe Function Table (interpreted .pdata section contents)\n");
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fprintf(file,
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" vma: Begin End EH EH PrologEnd\n");
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" vma:\t\tBegin End EH EH PrologEnd\n");
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fprintf(file,
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" Address Address Handler Data Address\n");
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" \t\tAddress Address Handler Data Address\n");
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if (bfd_section_size (abfd, section) == 0)
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return true;
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@ -1396,7 +1574,7 @@ pe_print_pdata(abfd, vfile)
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}
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fprintf (file,
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" %04lx\t",
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" %08lx\t",
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(unsigned long int) (i + section->vma));
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fprintf(file, "%08lx %08lx %08lx %08lx %08lx",
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@ -1488,6 +1666,7 @@ pe_print_private_bfd_data (abfd, vfile)
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}
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pe_print_idata(abfd, vfile);
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pe_print_edata(abfd, vfile);
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pe_print_pdata(abfd, vfile);
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return true;
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