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Diffstat (limited to 'binutils-2.25/bfd/pei-x86_64.c')
-rw-r--r--binutils-2.25/bfd/pei-x86_64.c593
1 files changed, 593 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/pei-x86_64.c b/binutils-2.25/bfd/pei-x86_64.c
new file mode 100644
index 00000000..6139ca24
--- /dev/null
+++ b/binutils-2.25/bfd/pei-x86_64.c
@@ -0,0 +1,593 @@
+/* BFD back-end for Intel 386 PE IMAGE COFF files.
+ Copyright 2006, 2007, 2009 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ 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 of the License, 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, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA.
+
+ Written by Kai Tietz, OneVision Software GmbH&CoKg. */
+
+#include "sysdep.h"
+#include "bfd.h"
+
+#define TARGET_SYM x86_64pei_vec
+#define TARGET_NAME "pei-x86-64"
+#define COFF_IMAGE_WITH_PE
+#define COFF_WITH_PE
+#define COFF_WITH_pex64
+#define PCRELOFFSET TRUE
+#if defined (USE_MINGW64_LEADING_UNDERSCORES)
+#define TARGET_UNDERSCORE '_'
+#else
+#define TARGET_UNDERSCORE 0
+#endif
+/* Long section names not allowed in executable images, only object files. */
+#define COFF_LONG_SECTION_NAMES 0
+#define COFF_SUPPORT_GNU_LINKONCE
+#define COFF_LONG_FILENAMES
+#define PDATA_ROW_SIZE (3 * 4)
+
+#define COFF_SECTION_ALIGNMENT_ENTRIES \
+{ COFF_SECTION_NAME_EXACT_MATCH (".bss"), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
+{ COFF_SECTION_NAME_PARTIAL_MATCH (".data"), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
+{ COFF_SECTION_NAME_PARTIAL_MATCH (".rdata"), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
+{ COFF_SECTION_NAME_PARTIAL_MATCH (".text"), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
+{ COFF_SECTION_NAME_PARTIAL_MATCH (".idata"), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \
+{ COFF_SECTION_NAME_EXACT_MATCH (".pdata"), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \
+{ COFF_SECTION_NAME_PARTIAL_MATCH (".debug"), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \
+{ COFF_SECTION_NAME_PARTIAL_MATCH (".gnu.linkonce.wi."), \
+ COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }
+
+/* Note we have to make sure not to include headers twice.
+ Not all headers are wrapped in #ifdef guards, so we define
+ PEI_HEADERS to prevent double including in coff-x86_64.c */
+#define PEI_HEADERS
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "coff/x86_64.h"
+#include "coff/internal.h"
+#include "coff/pe.h"
+#include "libcoff.h"
+#include "libpei.h"
+#include "libiberty.h"
+
+#undef AOUTSZ
+#define AOUTSZ PEPAOUTSZ
+#define PEAOUTHDR PEPAOUTHDR
+
+static const char *pex_regs[16] = {
+ "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
+};
+
+static void
+pex64_get_runtime_function (bfd *abfd, struct pex64_runtime_function *rf,
+ const void *data)
+{
+ const struct external_pex64_runtime_function *ex_rf =
+ (const struct external_pex64_runtime_function *) data;
+ rf->rva_BeginAddress = bfd_get_32 (abfd, ex_rf->rva_BeginAddress);
+ rf->rva_EndAddress = bfd_get_32 (abfd, ex_rf->rva_EndAddress);
+ rf->rva_UnwindData = bfd_get_32 (abfd, ex_rf->rva_UnwindData);
+ rf->isChained = PEX64_IS_RUNTIME_FUNCTION_CHAINED (rf);
+ rf->rva_UnwindData = PEX64_GET_UNWINDDATA_UNIFIED_RVA (rf);
+}
+
+static void
+pex64_get_unwind_info (bfd *abfd, struct pex64_unwind_info *ui, void *data)
+{
+ struct external_pex64_unwind_info *ex_ui =
+ (struct external_pex64_unwind_info *) data;
+ bfd_byte *ex_dta = (bfd_byte *) data;
+
+ memset (ui, 0, sizeof (struct pex64_unwind_info));
+ ui->Version = PEX64_UWI_VERSION (ex_ui->Version_Flags);
+ ui->Flags = PEX64_UWI_FLAGS (ex_ui->Version_Flags);
+ ui->SizeOfPrologue = (bfd_vma) ex_ui->SizeOfPrologue;
+ ui->CountOfCodes = (bfd_vma) ex_ui->CountOfCodes;
+ ui->FrameRegister = PEX64_UWI_FRAMEREG (ex_ui->FrameRegisterOffset);
+ ui->FrameOffset = PEX64_UWI_FRAMEOFF (ex_ui->FrameRegisterOffset);
+ ui->sizeofUnwindCodes = PEX64_UWI_SIZEOF_UWCODE_ARRAY (ui->CountOfCodes);
+ ui->SizeOfBlock = ui->sizeofUnwindCodes + 4;
+ ui->rawUnwindCodes = &ex_dta[4];
+ ex_dta += ui->SizeOfBlock;
+ switch (ui->Flags)
+ {
+ case UNW_FLAG_CHAININFO:
+ ui->rva_FunctionEntry = bfd_get_32 (abfd, ex_dta);
+ ui->SizeOfBlock += 4;
+ return;
+ default:
+ return;
+ }
+}
+
+static void
+pex64_xdata_print_uwd_codes (FILE *file, struct pex64_unwind_info *ui,
+ bfd_vma pc_addr)
+{
+ bfd_vma i;
+ bfd_vma tmp = 0;
+ const bfd_byte *insns[256];
+ bfd_vma insns_count = 0;
+ const bfd_byte *dta = ui->rawUnwindCodes;
+
+ if (ui->CountOfCodes == 0 || !dta)
+ return;
+
+ /* Sort array ascending. Note: it is stored in reversed order. */
+ for (i = 0; i < ui->CountOfCodes; i++)
+ {
+ const bfd_byte *t;
+
+ t = insns[insns_count++] = &dta[i * 2];
+ switch (PEX64_UNWCODE_CODE (t[1]))
+ {
+ case UWOP_PUSH_NONVOL:
+ case UWOP_ALLOC_SMALL:
+ case UWOP_SET_FPREG:
+ case UWOP_PUSH_MACHFRAME:
+ break;
+ case UWOP_ALLOC_LARGE:
+ if (PEX64_UNWCODE_INFO (t[1]) == 0)
+ {
+ i += 1;
+ break;
+ }
+ else if (PEX64_UNWCODE_INFO (t[1]) == 1)
+ {
+ i += 2;
+ break;
+ }
+ /* fall through. */
+ default:
+ fprintf (file, "\t contains unknown code (%u).\n",
+ (unsigned int) PEX64_UNWCODE_CODE (t[1]));
+ return;
+ case UWOP_SAVE_NONVOL:
+ case UWOP_SAVE_XMM:
+ case UWOP_SAVE_XMM128:
+ i++;
+ break;
+ case UWOP_SAVE_NONVOL_FAR:
+ case UWOP_SAVE_XMM_FAR:
+ case UWOP_SAVE_XMM128_FAR:
+ i += 2;
+ break;
+ }
+ }
+ fprintf (file, "\t At pc 0x");
+ fprintf_vma (file, pc_addr);
+ fprintf (file, " there are the following saves (in logical order).\n");
+ for (i = insns_count; i > 0;)
+ {
+ --i;
+ dta = insns[i];
+ fprintf (file, "\t insn ends at pc+0x%02x: ", (unsigned int) dta[0]);
+ switch (PEX64_UNWCODE_CODE (dta[1]))
+ {
+ case UWOP_PUSH_NONVOL:
+ fprintf (file, "push %s.\n", pex_regs[PEX64_UNWCODE_INFO (dta[1])]);
+ break;
+ case UWOP_ALLOC_LARGE:
+ if (PEX64_UNWCODE_INFO (dta[1]) == 0)
+ {
+ tmp = (bfd_vma) (*((unsigned short *) &dta[2]));
+ tmp *= 8;
+ }
+ else
+ tmp = (bfd_vma) (*((unsigned int *)&dta[2]));
+ fprintf (file, "save stack region of size 0x");
+ fprintf_vma (file, tmp);
+ fprintf (file,".\n");
+ break;
+ case UWOP_ALLOC_SMALL:
+ tmp = (bfd_vma) PEX64_UNWCODE_INFO (dta[1]);
+ tmp += 1;
+ tmp *= 8;
+ fprintf (file, "save stack region of size 0x");
+ fprintf_vma (file, tmp);
+ fprintf (file,".\n");
+ break;
+ case UWOP_SET_FPREG:
+ tmp = (bfd_vma) PEX64_UNWCODE_INFO (dta[1]);
+ tmp *= 16;
+ fprintf (file, "FPReg = (FrameReg) + 0x");
+ fprintf_vma (file, tmp);
+ fprintf (file, ".\n");
+ break;
+ case UWOP_SAVE_NONVOL:
+ fprintf (file, "mov %s at 0x",
+ pex_regs[PEX64_UNWCODE_INFO (dta[1])]);
+ tmp = (bfd_vma) (*((unsigned short *) &dta[2]));
+ tmp *= 8;
+ fprintf_vma (file, tmp);
+ fprintf (file, ".\n");
+ break;
+ case UWOP_SAVE_NONVOL_FAR:
+ fprintf (file, "mov %s at 0x",
+ pex_regs[PEX64_UNWCODE_INFO (dta[1])]);
+ tmp = (bfd_vma) (*((unsigned int *) &dta[2]));
+ fprintf_vma (file, tmp);
+ fprintf (file, ".\n");
+ break;
+ case UWOP_SAVE_XMM:
+ tmp = (bfd_vma) (*((unsigned short *) &dta[2]));
+ tmp *= 8;
+ fprintf (file, "mov mm%u at 0x",
+ (unsigned int) PEX64_UNWCODE_INFO (dta[1]));
+ fprintf_vma (file, tmp);
+ fprintf (file, ".\n");
+ break;
+ case UWOP_SAVE_XMM_FAR:
+ tmp = (bfd_vma) (*((unsigned int *) &dta[2]));
+ fprintf (file, "mov mm%u at 0x",
+ (unsigned int) PEX64_UNWCODE_INFO (dta[1]));
+ fprintf_vma (file, tmp);
+ fprintf (file, ".\n");
+ break;
+ case UWOP_SAVE_XMM128:
+ tmp = (bfd_vma) (*((unsigned short *) &dta[2]));
+ tmp *= 16;
+ fprintf (file, "mov xmm%u at 0x",
+ (unsigned int) PEX64_UNWCODE_INFO ( dta[1]));
+ fprintf_vma (file, tmp);
+ fprintf (file, ".\n");
+ break;
+ case UWOP_SAVE_XMM128_FAR:
+ tmp = (bfd_vma) (*((unsigned int *) &dta[2]));
+ fprintf (file, "mov xmm%u at 0x",
+ (unsigned int) PEX64_UNWCODE_INFO (dta[1]));
+ fprintf_vma (file, tmp);
+ fprintf (file, ".\n");
+ break;
+ case UWOP_PUSH_MACHFRAME:
+ fprintf (file, "interrupt entry (SS, old RSP, EFLAGS, CS, RIP");
+ if (PEX64_UNWCODE_INFO (dta[1]) == 0)
+ {
+ fprintf (file, ")");
+ }
+ else if (PEX64_UNWCODE_INFO (dta[1]) == 1)
+ {
+ fprintf (file, ",ErrorCode)");
+ }
+ else
+ fprintf (file, ", unknown(%u))",
+ (unsigned int) PEX64_UNWCODE_INFO (dta[1]));
+ fprintf (file,".\n");
+ break;
+ default:
+ fprintf (file, "unknown code %u.\n",
+ (unsigned int) PEX64_UNWCODE_INFO (dta[1]));
+ break;
+ }
+ }
+}
+
+static asection *
+pex64_get_section_by_rva (bfd *abfd, bfd_vma addr, const char *sec_name)
+{
+ asection *section = bfd_get_section_by_name (abfd, sec_name);
+ bfd_vma vsize;
+ bfd_size_type datasize = 0;
+
+ if (section == NULL
+ || coff_section_data (abfd, section) == NULL
+ || pei_section_data (abfd, section) == NULL)
+ return NULL;
+ vsize = section->vma - pe_data (abfd)->pe_opthdr.ImageBase;
+ datasize = section->size;
+ if (!datasize || vsize > addr || (vsize + datasize) < addr)
+ return NULL;
+ return section;
+}
+
+static void
+pex64_dump_xdata (FILE *file, bfd *abfd, bfd_vma addr, bfd_vma pc_addr,
+ bfd_vma *endx)
+{
+ asection *section = pex64_get_section_by_rva (abfd, addr, ".rdata");
+ bfd_vma vsize;
+ bfd_byte *data = NULL;
+ bfd_vma end_addr;
+
+ if (!section)
+ section = pex64_get_section_by_rva (abfd, addr, ".data");
+ if (!section)
+ section = pex64_get_section_by_rva (abfd, addr, ".xdata");
+ if (!section)
+ {
+ section = pex64_get_section_by_rva (abfd, addr, ".pdata");
+ if (section)
+ {
+ fprintf (file, "\t Shares information with pdata element at 0x");
+ fprintf_vma (file, addr + pe_data (abfd)->pe_opthdr.ImageBase);
+ fprintf (file, ".\n");
+ }
+ }
+ if (!section)
+ return;
+
+ vsize = section->vma - pe_data (abfd)->pe_opthdr.ImageBase;
+ addr -= vsize;
+
+ if (endx)
+ end_addr = endx[0] - vsize;
+ else
+ end_addr = (section->rawsize != 0 ? section->rawsize : section->size);
+
+ if (bfd_malloc_and_get_section (abfd, section, &data))
+ {
+ struct pex64_unwind_info ui;
+
+ if (!data)
+ return;
+
+ pex64_get_unwind_info (abfd, &ui, &data[addr]);
+
+ if (ui.Version != 1)
+ {
+ fprintf (file, "\tVersion %u (unknown).\n", (unsigned int) ui.Version);
+ return;
+ }
+
+ fprintf (file, "\tFlags: ");
+ switch (ui.Flags)
+ {
+ case UNW_FLAG_NHANDLER:
+ fprintf (file, "UNW_FLAG_NHANDLER");
+ break;
+ case UNW_FLAG_EHANDLER:
+ fprintf (file, "UNW_FLAG_EHANDLER");
+ break;
+ case UNW_FLAG_UHANDLER:
+ fprintf (file, "UNW_FLAG_UHANDLER");
+ break;
+ case UNW_FLAG_FHANDLER:
+ fprintf (file, "UNW_FLAG_FHANDLER = (UNW_FLAG_EHANDLER | UNW_FLAG_UHANDLER)");
+ break;
+ case UNW_FLAG_CHAININFO:
+ fprintf (file, "UNW_FLAG_CHAININFO");
+ break;
+ default:
+ fprintf (file, "unknown flags value 0x%x", (unsigned int) ui.Flags);
+ break;
+ }
+ fprintf (file, ".\n");
+ if (ui.CountOfCodes != 0)
+ fprintf (file, "\tEntry has %u codes.", (unsigned int) ui.CountOfCodes);
+ fprintf (file, "\tPrologue size: %u, Frame offset = 0x%x.\n",
+ (unsigned int) ui.SizeOfPrologue, (unsigned int) ui.FrameOffset);
+ fprintf (file, "\tFrame register is %s.\n",
+ ui.FrameRegister == 0 ? "none"
+ : pex_regs[(unsigned int) ui.FrameRegister]);
+
+ pex64_xdata_print_uwd_codes (file, &ui, pc_addr);
+
+ /* Now we need end of this xdata block. */
+ addr += ui.SizeOfBlock;
+ if (addr < end_addr)
+ {
+ unsigned int i;
+ fprintf (file,"\tUser data:\n");
+ for (i = 0; addr < end_addr; addr += 1, i++)
+ {
+ if ((i & 15) == 0)
+ fprintf (file, "\t %03x:", i);
+ fprintf (file, " %02x", data[addr]);
+ if ((i & 15) == 15)
+ fprintf (file, "\n");
+ }
+ if ((i & 15) != 0)
+ fprintf (file, "\n");
+ }
+ }
+ if (data != NULL)
+ free (data);
+}
+
+static int
+sort_xdata_arr (const void *l, const void *r)
+{
+ const bfd_vma *lp = (const bfd_vma *) l;
+ const bfd_vma *rp = (const bfd_vma *) r;
+
+ if (*lp == *rp)
+ return 0;
+ return (*lp < *rp ? -1 : 1);
+}
+
+static bfd_boolean
+pex64_bfd_print_pdata (bfd *abfd, void *vfile)
+{
+ FILE *file = (FILE *) vfile;
+ bfd_byte *data = NULL;
+ asection *section = bfd_get_section_by_name (abfd, ".pdata");
+ bfd_size_type datasize = 0;
+ bfd_size_type i;
+ bfd_size_type stop;
+ bfd_vma prev_beginaddress = 0;
+ int onaline = PDATA_ROW_SIZE;
+ int seen_error = 0;
+ bfd_vma *xdata_arr;
+ int xdata_arr_cnt;
+
+ if (section == NULL
+ || coff_section_data (abfd, section) == NULL
+ || pei_section_data (abfd, section) == NULL)
+ return TRUE;
+
+ stop = pei_section_data (abfd, section)->virt_size;
+ if ((stop % onaline) != 0)
+ fprintf (file,
+ _("warning: .pdata section size (%ld) is not a multiple of %d\n"),
+ (long) stop, onaline);
+
+ fprintf (file,
+ _("\nThe Function Table (interpreted .pdata section contents)\n"));
+
+ fprintf (file, _("vma:\t\t\tBeginAddress\t EndAddress\t UnwindData\n"));
+
+ datasize = section->size;
+ if (datasize == 0)
+ return TRUE;
+
+ if (!bfd_malloc_and_get_section (abfd, section, &data))
+ {
+ if (data != NULL)
+ free (data);
+ return FALSE;
+ }
+
+ xdata_arr = (bfd_vma *) xmalloc (sizeof (bfd_vma) * ((stop / onaline) + 1));
+ xdata_arr_cnt = 0;
+ /* Do sanity check of pdata. */
+ for (i = 0; i < stop; i += onaline)
+ {
+ struct pex64_runtime_function rf;
+
+ if (i + PDATA_ROW_SIZE > stop)
+ break;
+ pex64_get_runtime_function (abfd, &rf, &data[i]);
+
+ if (rf.rva_BeginAddress == 0 && rf.rva_EndAddress == 0
+ && rf.rva_UnwindData == 0)
+ /* We are probably into the padding of the section now. */
+ break;
+ fputc (' ', file);
+ fprintf_vma (file, i + section->vma);
+ fprintf (file, ":\t");
+ fprintf_vma (file, rf.rva_BeginAddress);
+ fputc (' ', file);
+ fprintf_vma (file, rf.rva_EndAddress);
+ fputc (' ', file);
+ fprintf_vma (file, rf.rva_UnwindData);
+ fprintf (file, "\n");
+ if (i != 0 && rf.rva_BeginAddress <= prev_beginaddress)
+ {
+ seen_error = 1;
+ fprintf (file, " has %s begin address as predecessor\n",
+ (rf.rva_BeginAddress < prev_beginaddress ? "smaller" : "same"));
+ }
+ prev_beginaddress = rf.rva_BeginAddress;
+ /* Now we check for negative addresses. */
+ if ((prev_beginaddress & 0x80000000) != 0)
+ {
+ seen_error = 1;
+ fprintf (file, " has negative begin address\n");
+ }
+ if ((rf.rva_EndAddress & 0x80000000) != 0)
+ {
+ seen_error = 1;
+ fprintf (file, " has negative end address\n");
+ }
+ if ((rf.rva_UnwindData & 0x80000000) != 0)
+ {
+ seen_error = 1;
+ fprintf (file, " has negative unwind address\n");
+ }
+ if (rf.rva_UnwindData && !rf.isChained)
+ xdata_arr[xdata_arr_cnt++] = rf.rva_UnwindData;
+ }
+
+ if (seen_error)
+ {
+ free (data);
+ free (xdata_arr);
+
+ return TRUE;
+ }
+
+ /* Add end of list marker. */
+ xdata_arr[xdata_arr_cnt++] = ~((bfd_vma) 0);
+
+ /* Sort start RVAs of xdata. */
+ if (xdata_arr_cnt > 1)
+ qsort (xdata_arr, (size_t) xdata_arr_cnt, sizeof (bfd_vma),
+ sort_xdata_arr);
+
+ /* Do dump of pdata related xdata. */
+
+ for (i = 0; i < stop; i += onaline)
+ {
+ struct pex64_runtime_function rf;
+
+ if (i + PDATA_ROW_SIZE > stop)
+ break;
+ pex64_get_runtime_function (abfd, &rf, &data[i]);
+
+ if (rf.rva_BeginAddress == 0 && rf.rva_EndAddress == 0
+ && rf.rva_UnwindData == 0)
+ /* We are probably into the padding of the section now. */
+ break;
+ if (i == 0)
+ fprintf (file, "\nDump of .xdata\n");
+ fputc (' ', file);
+ fprintf_vma (file, rf.rva_UnwindData);
+ fprintf (file, ":\n");
+
+ rf.rva_BeginAddress += pe_data (abfd)->pe_opthdr.ImageBase;
+ rf.rva_EndAddress += pe_data (abfd)->pe_opthdr.ImageBase;
+
+ if (rf.rva_UnwindData != 0)
+ {
+ if (rf.isChained)
+ {
+ fprintf (file, "\t shares information with pdata element at 0x");
+ fprintf_vma (file, rf.rva_UnwindData);
+ fprintf (file, ".\n");
+ }
+ else
+ {
+ bfd_vma *p;
+
+ /* Search for the current entry in the sorted array. */
+ p = (bfd_vma *)
+ bsearch (&rf.rva_UnwindData, xdata_arr,
+ (size_t) xdata_arr_cnt, sizeof (bfd_vma),
+ sort_xdata_arr);
+
+ /* Advance to the next pointer into the xdata section. We may
+ have shared xdata entries, which will result in a string of
+ identical pointers in the array; advance past all of them. */
+ while (p[0] <= rf.rva_UnwindData)
+ ++p;
+ if (p[0] == ~((bfd_vma) 0))
+ p = NULL;
+
+ pex64_dump_xdata (file, abfd, rf.rva_UnwindData,
+ rf.rva_BeginAddress, p);
+ }
+ }
+ }
+
+ free (data);
+ free (xdata_arr);
+
+ return TRUE;
+}
+
+#define bfd_pe_print_pdata pex64_bfd_print_pdata
+
+#include "coff-x86_64.c"
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