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File test.diff of Package elfutils (Revision ce44dbb384e553789ec9a762b85e2584)

Currently displaying revision ce44dbb384e553789ec9a762b85e2584 , Show latest

---
 libelf/elf32_updatenull.c |   35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

Index: b/libelf/elf32_updatenull.c
===================================================================
--- a/libelf/elf32_updatenull.c
+++ b/libelf/elf32_updatenull.c
@@ -55,6 +55,7 @@
 #include <assert.h>
 #include <endian.h>
 #include <libelf.h>
+#include <stdio.h>
 #include <stdbool.h>
 #include <string.h>
 #include <sys/param.h>
@@ -144,7 +145,7 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
     return -1;
 
   /* At least the ELF header is there.  */
-  off_t size = elf_typesize (LIBELFBITS, ELF_T_EHDR, 1);
+  off_t size = elf_typesize (LIBELFBITS, ELF_T_EHDR, 1), old_size;
 
   /* Set the program header position.  */
   if (elf->state.ELFW(elf,LIBELFBITS).phdr == NULL
@@ -166,9 +167,12 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 	{
 	  /* The user is supposed to fill out e_phoff.  Use it and
 	     e_phnum to determine the maximum extend.  */
+	  old_size = size;
 	  size = MAX ((size_t) size,
 		      ehdr->e_phoff
 		      + elf_typesize (LIBELFBITS, ELF_T_PHDR, ehdr->e_phnum));
+	  fprintf(stderr, "e_phoff: old=%ld, new=%ld\n", (long) old_size,
+		  (long) size);
 	}
       else
 	{
@@ -176,8 +180,11 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 			     elf_typesize (LIBELFBITS, ELF_T_EHDR, 1),
 			     ehdr_flags);
 
+	  old_size = size;
 	  /* We need no alignment here.  */
 	  size += elf_typesize (LIBELFBITS, ELF_T_PHDR, ehdr->e_phnum);
+	  fprintf(stderr, "e_phnum: old=%ld, new=%ld\n", (long) old_size,
+		  (long) size);
 	}
     }
 
@@ -334,9 +341,13 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 		  /* Even the sh_offset is only the "conceptual" possition
 		     in the file. So completely ignore NOBITS sections. */
 		  if (shdr->sh_type != SHT_NOBITS)
-		    size = MAX ((GElf_Word) size,
-				shdr->sh_offset + shdr->sh_size);
-
+		    {
+		      old_size = size;
+		      size = MAX ((GElf_Word) size,
+				  shdr->sh_offset + shdr->sh_size);
+		      fprintf(stderr, "sh_offset: old=%ld, new=%ld\n",
+			      (long) old_size, (long) size);
+		    }
 		  /* The alignment must be a power of two.  This is a
 		     requirement from the ELF specification.  Additionally
 		     we test for the alignment of the section being large
@@ -355,7 +366,11 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 		  update_if_changed (shdr->sh_addralign, sh_align,
 				     scn->shdr_flags);
 
+		  old_size = size;
 		  size = (size + sh_align - 1) & ~(sh_align - 1);
+		  fprintf(stderr, "sh_align: old=%ld, new=%ld\n",
+			  (long) old_size, (long) size);
+
 		  int offset_changed = 0;
 		  update_if_changed (shdr->sh_offset, (GElf_Word) size,
 				     offset_changed);
@@ -373,8 +388,11 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 		  update_if_changed (shdr->sh_size, (GElf_Word) offset,
 				     changed);
 
+		  old_size = size;
 		  if (shdr->sh_type != SHT_NOBITS)
 		    size += offset;
+		  fprintf(stderr, "sh_size: old=%ld, new=%ld\n",
+			  (long) old_size, (long) size);
 
 		  scn->flags |= changed;
 		}
@@ -401,9 +419,12 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 	{
 	  /* The user is supposed to fill out e_phoff.  Use it and
 	     e_phnum to determine the maximum extend.  */
+	  old_size = size;
 	  size = MAX ((GElf_Word) size,
 		      (ehdr->e_shoff
 		       + (elf_typesize (LIBELFBITS, ELF_T_SHDR, shnum))));
+	  fprintf(stderr, "e_shoff: old=%ld, new=%ld\n", (long) old_size,
+		  (long) size);
 	}
       else
 	{
@@ -413,7 +434,10 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 	     want to be surprised by architectures with less strict
 	     alignment rules.  */
 #define SHDR_ALIGN sizeof (ElfW2(LIBELFBITS,Off))
+	  old_size = size;
 	  size = (size + SHDR_ALIGN - 1) & ~(SHDR_ALIGN - 1);
+	  fprintf(stderr, "e_shoff(align): old=%ld, new=%ld\n",
+		  (long) old_size, (long) size);
 
 	  update_if_changed (ehdr->e_shoff, (GElf_Word) size, elf->flags);
 	  update_if_changed (ehdr->e_shentsize,
@@ -421,7 +445,10 @@ __elfw2(LIBELFBITS,updatenull) (Elf *elf
 			     ehdr_flags);
 
 	  /* Account for the section header size.  */
+	  old_size = size;
 	  size += elf_typesize (LIBELFBITS, ELF_T_SHDR, shnum);
+	  fprintf(stderr, "shnum: old=%ld, new=%ld\n", (long) old_size,
+		  (long) size);
 	}
     }

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File test.diff of Package elfutils (Revision ce44dbb384e553789ec9a762b85e2584)

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