bfd/ChangeLog

2009-04-21  Kai Tietz  <kai.tietz@onevision.com>

	* coff-x86_64.c (PEI_HEADERS): Protect includes.
	(bfd_pe_print_pdata): Remove #ifdef PE variation.
	* pei-x86_64.c (PEI_HEADERS): Define to prevent double
	include in coff-x86_64.c of headers.
	(PDATA_ROW_SIZE): New define.
	(pex_regs[]): New static array.
	(pex64_get_runtime_function): New static function.
	(pex64_get_unwind_info): Likewise.
	(pex64_get_scope_entry): Likewise.
	(pex64_xdata_print_uwd_codes): Likewise.
	(pep_get_section_by_rva): Likewise.
	(pex64_dump_xdata): Likewise.
	(pex64_bfd_print_pdata): Likewise.
	(bfd_pe_print_pdata): Define as pex64_bfd_print_pdata.
	* peXXigen.c (_bfd_pex64_print_pdata): Removed implementation.
	* libpei.h (_bfd_pex64_print_pdata): Removed declaration.

include/ChangeLog

2009-04-21  Kai Tietz  <kai.tietz@onevision.com>

	* coff/pe.h (pex64_runtime_function): New structure.
	(external_pex64_runtime_function): Likewise.
	(pex64_unwind_code): Likewise.
	(external_pex64_unwind_code): Likewise.
	(pex64_unwind_info): Likewise.
	(external_pex64_unwind_info): Likewise.
	(external_pex64_scope): Likewise.
	(pex64_scope): Likewise.
	(pex64_scope_entry):  Likewise.
	(external_pex64_scope_entry): Likewise.
	(PEX64_IS_RUNTIME_FUNCTION_CHAINED): New macro.
	(PEX64_GET_UNWINDDATA_UNIFIED_RVA): Likewise.
	(PEX64_UNWCODE_CODE): Likewise.
	(PEX64_UNWCODE_INFO): Likewise.
	(UWOP_...): Add defines for unwind code.
	(UNW_FLAG_...): Add defined for unwind info flags.
	(PEX64_SCOPE_ENTRY_SIZE): New macro.
	(PEX64_UWI_VERSION): Likewise.
	(PEX64_UWI_FLAGS): Likewise.
	(PEX64_UWI_FRAMEREG): Likewise.
	(PEX64_UWI_FRAMEOFF): Likewise.
	(PEX64_UWI_SIZEOF_UWCODE_ARRAY): Likewise.
	(PEX64_OFFSET_TO_UNWIND_CODE): Likewise.
	(PEX64_OFFSET_TO_HANDLER_RVA): Likewise.
	(PEX64_OFFSET_TO_SCOPE_COUNT): Likewise.
	(PEX64_SCOPE_ENTRY): Likewise.

1 files changed, 475 insertions, 0 deletions

diff --git a/bfd/pei-x86_64.c b/bfd/pei-x86_64.c
index f62e697..f5b8abd 100644
--- a/bfd/pei-x86_64.c
+++ b/bfd/pei-x86_64.c
@@ -34,6 +34,7 @@
 #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"), \
@@ -53,4 +54,478 @@
 { 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_EHANDLER:
+      ui->rva_ExceptionHandler = bfd_get_32 (abfd, ex_dta);
+      break;
+    case UNW_FLAG_UHANDLER:
+      ui->rva_TerminationHandler = bfd_get_32 (abfd, ex_dta);
+      break;
+    case UNW_FLAG_FHANDLER:
+      ui->rva_FrameHandler = bfd_get_32 (abfd, ex_dta);
+      ui->FrameHandlerArgument = bfd_get_32 (abfd, ex_dta + 4);
+      ui->SizeOfBlock += 8;
+      return;
+    case UNW_FLAG_CHAININFO:
+      ui->rva_FunctionEntry = bfd_get_32 (abfd, ex_dta);
+      ui->SizeOfBlock += 4;
+      return;
+    default:
+      return;
+    }
+  ex_dta += 4;
+  ui->SizeOfBlock += 8;
+  ui->CountOfScopes = bfd_get_32 (abfd, ex_dta);
+  ex_dta += 4;
+  ui->rawScopeEntries = ex_dta;
+  ui->SizeOfBlock += (ui->CountOfScopes * PEX64_SCOPE_ENTRY_SIZE);
+}
+
+static void
+pex64_get_scope_entry (bfd *abfd, struct pex64_scope_entry *se,
+		       bfd_vma idx, const bfd_byte *x)
+{
+  const struct external_pex64_scope_entry *ex_se;
+  x += (idx * PEX64_SCOPE_ENTRY_SIZE);
+  ex_se = (const struct external_pex64_scope_entry *) x;
+  memset (se, 0, sizeof (struct pex64_scope_entry));
+  se->rva_BeginAddress = bfd_get_32 (abfd, ex_se->rva_BeginAddress);
+  se->rva_EndAddress = bfd_get_32 (abfd, ex_se->rva_EndAddress);
+  se->rva_HandlerAddress = bfd_get_32 (abfd, ex_se->rva_HandlerAddress);
+  se->rva_JumpAddress = bfd_get_32 (abfd, ex_se->rva_JumpAddress);
+}
+
+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)
+{
+  asection *section = pex64_get_section_by_rva (abfd, addr, ".rdata");
+  bfd_vma vsize;
+  bfd_byte *data = NULL;
+  bfd_vma i;
+
+  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 (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 ? "CFA"
+			      : pex_regs[(unsigned int) ui.FrameRegister]);
+
+      pex64_xdata_print_uwd_codes (file, &ui, pc_addr);
+      
+      switch (ui.Flags)
+	{
+	case UNW_FLAG_NHANDLER:
+	  return;
+	case UNW_FLAG_EHANDLER:
+	  fprintf (file, "\texception_handler at 0x%x.\n", (unsigned int) ui.rva_ExceptionHandler);
+	  break;
+	case UNW_FLAG_UHANDLER:
+	  fprintf (file, "\ttermination_handler at 0x%x.\n", (unsigned int) ui.rva_TerminationHandler);
+	case UNW_FLAG_FHANDLER:
+	  fprintf (file, "\tframe_handler at 0x%x.\n", (unsigned int) ui.rva_FrameHandler);
+	  fprintf (file, "\t Argument for FrameHandler: 0x%x.\n",
+		   (unsigned int) ui.FrameHandlerArgument);
+	  return;
+	case UNW_FLAG_CHAININFO:
+	  fprintf (file, "\t Function Entry: 0x%x\n", (unsigned int) ui.rva_FunctionEntry);
+	  return;
+	default:
+	  fprintf (file, "\t Unknown flag value of 0x%x\n", (unsigned int) ui.Flags);
+	  return;
+	}
+      fprintf (file, "\t 0x%x # of scope(s)\n", (unsigned int) ui.CountOfScopes);
+      for (i = 0; i < ui.CountOfScopes; i++)
+	{
+	  struct pex64_scope_entry se;
+	  pex64_get_scope_entry (abfd, &se, i, ui.rawScopeEntries);
+	  fprintf (file, "\t scope #%u: BeginAddress: 0x%x, EndAddress: 0x%x,"
+		   "\n\t\tHandlerAddress:0x%x, JumpTarget:0x%x\n",
+		   (unsigned int) (i + 1),
+		   (unsigned int) se.rva_BeginAddress,
+		   (unsigned int) se.rva_EndAddress,
+		   (unsigned int) se.rva_HandlerAddress,
+		   (unsigned int) se.rva_JumpAddress);
+	}
+    }
+  if (data != NULL)
+    free (data);
+}
+
+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 start, stop;
+  int onaline = PDATA_ROW_SIZE;
+
+  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;
+    }
+
+  start = 0;
+
+  for (i = start; 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");
+      rf.rva_BeginAddress += pe_data (abfd)->pe_opthdr.ImageBase;
+      fprintf_vma (file, rf.rva_BeginAddress);
+      fputc (' ', file);
+      rf.rva_EndAddress += pe_data (abfd)->pe_opthdr.ImageBase;
+      fprintf_vma (file, rf.rva_EndAddress);
+      fputc (' ', file);
+      fprintf_vma (file, rf.rva_UnwindData);
+      fprintf (file, "\n");
+
+      if (rf.rva_UnwindData != 0)
+	{
+	  if (rf.isChained)
+	    {
+	      fprintf (file, "\t shares information with pdata element at 0x");
+	      fprintf_vma (file, rf.rva_UnwindData + pe_data (abfd)->pe_opthdr.ImageBase);
+	      fprintf (file, ".\n");
+	    }
+	  else
+	    pex64_dump_xdata (file, abfd, rf.rva_UnwindData, rf.rva_BeginAddress);
+	}
+    }
+
+  free (data);
+
+  return TRUE;
+}
+
+#define bfd_pe_print_pdata   pex64_bfd_print_pdata
+
 #include "coff-x86_64.c"