Mach-O: add objdump -P function_starts to display function starts.

[deliverable/binutils-gdb.git] / bfd / mach-o.c

diff --git a/bfd/mach-o.c b/bfd/mach-o.c
index 62376020215bb41b873df5c38f8bc66c583ba8f0..8e8842bdb24109ea1ab97bb150ac70c7278a0520 100644 (file)
--- a/bfd/mach-o.c
+++ b/bfd/mach-o.c
@@ -1478,7 +1478,7 @@ bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
   BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
 
   /* Write the symbols first.  */
-  mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2);
+  mdata->filelen = FILE_ALIGN (mdata->filelen, wide ? 3 : 2);
   sym->symoff = mdata->filelen;
   if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
     return FALSE;
@@ -2018,8 +2018,9 @@ bfd_mach_o_write_contents (bfd *abfd)
        case BFD_MACH_O_LC_SUB_FRAMEWORK:
          break;
        default:
-         (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"),
-                                (unsigned long) cur->type);
+         (*_bfd_error_handler)
+           (_("unable to write unknown load command 0x%lx"),
+            (unsigned long) cur->type);
          return FALSE;
        }
     }
@@ -2042,7 +2043,8 @@ bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg,
 /* Create section Mach-O flags from BFD flags.  */
 
 static void
-bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
+bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED,
+                                      asection *sec)
 {
   flagword bfd_flags;
   bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec);
@@ -2173,7 +2175,8 @@ bfd_mach_o_build_seg_command (const char *segment,
       mdata->filelen += s->size;
     }
 
-  /* Now pass through again, for zerofill, only now we just update the vmsize.  */
+  /* Now pass through again, for zerofill, only now we just update the
+     vmsize.  */
   for (i = 0; i < mdata->nsects; ++i)
     {
       bfd_mach_o_section *s = mdata->sections[i];
@@ -4274,6 +4277,35 @@ bfd_mach_o_gen_core_p (bfd *abfd)
   return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
 }
 
+/* Return the base address of ABFD, ie the address at which the image is
+   mapped.  The possible initial pagezero is ignored.  */
+
+bfd_vma
+bfd_mach_o_get_base_address (bfd *abfd)
+{
+  bfd_mach_o_data_struct *mdata;
+  unsigned int i;
+
+  /* Check for Mach-O.  */
+  if (!bfd_mach_o_valid (abfd))
+    return 0;
+  mdata = bfd_mach_o_get_data (abfd);
+
+  for (i = 0; i < mdata->header.ncmds; i++)
+    {
+      bfd_mach_o_load_command *cmd = &mdata->commands[i];
+      if ((cmd->type == BFD_MACH_O_LC_SEGMENT
+          || cmd->type == BFD_MACH_O_LC_SEGMENT_64))
+       {
+         struct bfd_mach_o_segment_command *segcmd = &cmd->command.segment;
+
+         if (segcmd->initprot != 0)
+           return segcmd->vmaddr;
+       }
+    }
+  return 0;
+}
+
 typedef struct mach_o_fat_archentry
 {
   unsigned long cputype;