From 70cf683455e1a3429d517a2e25a36c438474cfde Mon Sep 17 00:00:00 2001 From: Andrew Eikum Date: Tue, 29 Oct 2019 17:07:03 +0000 Subject: [PATCH] When copying pe format files, copy the dos_message array, rather than re-initiialising it. * libcoff-in.h (struct pe_tdata): Add dos_message field. * libcoff.h: Regenerate. * peXXigen.c (_bfd_XXi_only_swap_filehdr_out): Copy the dos_message field rather than initialising it. (_bfd_XX_bfd_copy_private_bfd_data_common): Copy the dos_message field. * peicode.h (pe_mkobject): Initialise the dos_message field. (pe_mkobject_hook): Copy the dos_message field. (pe_bfd_object_p): Copy the dos_message field. --- bfd/ChangeLog | 12 ++++++++++++ bfd/libcoff-in.h | 1 + bfd/libcoff.h | 1 + bfd/peXXigen.c | 21 +++++---------------- bfd/peicode.h | 24 ++++++++++++++++++++++++ 5 files changed, 43 insertions(+), 16 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 2b41fb36c4c..20d7d5a41a2 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,15 @@ +2019-10-29 Andrew Eikum + + * libcoff-in.h (struct pe_tdata): Add dos_message field. + * libcoff.h: Regenerate. + * peXXigen.c (_bfd_XXi_only_swap_filehdr_out): Copy the + dos_message field rather than initialising it. + (_bfd_XX_bfd_copy_private_bfd_data_common): Copy the dos_message + field. + * peicode.h (pe_mkobject): Initialise the dos_message field. + (pe_mkobject_hook): Copy the dos_message field. + (pe_bfd_object_p): Copy the dos_message field. + 2019-10-25 Alan Modra PR 4499 diff --git a/bfd/libcoff-in.h b/bfd/libcoff-in.h index 783d54a88a4..031622f0187 100644 --- a/bfd/libcoff-in.h +++ b/bfd/libcoff-in.h @@ -127,6 +127,7 @@ typedef struct pe_tdata int dll; int has_reloc_section; int dont_strip_reloc; + int dos_message[16]; bfd_boolean insert_timestamp; bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); flagword real_flags; diff --git a/bfd/libcoff.h b/bfd/libcoff.h index f2613c2e77c..093f1b41594 100644 --- a/bfd/libcoff.h +++ b/bfd/libcoff.h @@ -131,6 +131,7 @@ typedef struct pe_tdata int dll; int has_reloc_section; int dont_strip_reloc; + int dos_message[16]; bfd_boolean insert_timestamp; bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); flagword real_flags; diff --git a/bfd/peXXigen.c b/bfd/peXXigen.c index ab0da7f5328..1f55f927dc8 100644 --- a/bfd/peXXigen.c +++ b/bfd/peXXigen.c @@ -863,22 +863,9 @@ _bfd_XXi_only_swap_filehdr_out (bfd * abfd, void * in, void * out) /* This next collection of data are mostly just characters. It appears to be constant within the headers put on NT exes. */ - filehdr_in->pe.dos_message[0] = 0x0eba1f0e; - filehdr_in->pe.dos_message[1] = 0xcd09b400; - filehdr_in->pe.dos_message[2] = 0x4c01b821; - filehdr_in->pe.dos_message[3] = 0x685421cd; - filehdr_in->pe.dos_message[4] = 0x70207369; - filehdr_in->pe.dos_message[5] = 0x72676f72; - filehdr_in->pe.dos_message[6] = 0x63206d61; - filehdr_in->pe.dos_message[7] = 0x6f6e6e61; - filehdr_in->pe.dos_message[8] = 0x65622074; - filehdr_in->pe.dos_message[9] = 0x6e757220; - filehdr_in->pe.dos_message[10] = 0x206e6920; - filehdr_in->pe.dos_message[11] = 0x20534f44; - filehdr_in->pe.dos_message[12] = 0x65646f6d; - filehdr_in->pe.dos_message[13] = 0x0a0d0d2e; - filehdr_in->pe.dos_message[14] = 0x24; - filehdr_in->pe.dos_message[15] = 0x0; + memcpy (filehdr_in->pe.dos_message, pe_data (abfd)->dos_message, + sizeof (filehdr_in->pe.dos_message)); + filehdr_in->pe.nt_signature = IMAGE_NT_SIGNATURE; H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->f_magic); @@ -2979,6 +2966,8 @@ _bfd_XX_bfd_copy_private_bfd_data_common (bfd * ibfd, bfd * obfd) && ! (pe_data (ibfd)->real_flags & IMAGE_FILE_RELOCS_STRIPPED)) pe_data (obfd)->dont_strip_reloc = 1; + memcpy (ope->dos_message, ipe->dos_message, sizeof (ope->dos_message)); + /* The file offsets contained in the debug directory need rewriting. */ if (ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size != 0) { diff --git a/bfd/peicode.h b/bfd/peicode.h index 1e2b1044302..e9d205a01a1 100644 --- a/bfd/peicode.h +++ b/bfd/peicode.h @@ -271,6 +271,24 @@ pe_mkobject (bfd * abfd) /* in_reloc_p is architecture dependent. */ pe->in_reloc_p = in_reloc_p; + /* Default DOS message string. */ + pe->dos_message[0] = 0x0eba1f0e; + pe->dos_message[1] = 0xcd09b400; + pe->dos_message[2] = 0x4c01b821; + pe->dos_message[3] = 0x685421cd; + pe->dos_message[4] = 0x70207369; + pe->dos_message[5] = 0x72676f72; + pe->dos_message[6] = 0x63206d61; + pe->dos_message[7] = 0x6f6e6e61; + pe->dos_message[8] = 0x65622074; + pe->dos_message[9] = 0x6e757220; + pe->dos_message[10] = 0x206e6920; + pe->dos_message[11] = 0x20534f44; + pe->dos_message[12] = 0x65646f6d; + pe->dos_message[13] = 0x0a0d0d2e; + pe->dos_message[14] = 0x24; + pe->dos_message[15] = 0x0; + memset (& pe->pe_opthdr, 0, sizeof pe->pe_opthdr); return TRUE; } @@ -325,6 +343,9 @@ pe_mkobject_hook (bfd * abfd, coff_data (abfd) ->flags = 0; #endif + memcpy (pe->dos_message, internal_f->pe.dos_message, + sizeof (pe->dos_message)); + return (void *) pe; } @@ -1456,6 +1477,9 @@ pe_bfd_object_p (bfd * abfd) return NULL; } + memcpy (internal_f.pe.dos_message, dos_hdr.dos_message, + sizeof (internal_f.pe.dos_message)); + /* Read the optional header, which has variable size. */ opt_hdr_size = internal_f.f_opthdr; -- 2.30.2