+++ /dev/null
-diff -Naur binutils-2.19.50.orig/bfd/elf-bfd.h binutils-2.19.50/bfd/elf-bfd.h
---- binutils-2.19.50.orig/bfd/elf-bfd.h 2008-08-20 23:28:58.000000000 +0000
-+++ binutils-2.19.50/bfd/elf-bfd.h 2008-10-05 02:03:46.000000000 +0000
-@@ -1526,6 +1526,9 @@
- /* Segment flags for the PT_GNU_STACK segment. */
- unsigned int stack_flags;
-
-+ /* Segment flags for the PT_PAX_FLAGS segment. */
-+ unsigned int pax_flags;
-+
- /* Symbol version definitions in external objects. */
- Elf_Internal_Verdef *verdef;
-
-diff -Naur binutils-2.19.50.orig/bfd/elf.c binutils-2.19.50/bfd/elf.c
---- binutils-2.19.50.orig/bfd/elf.c 2008-10-03 09:40:48.000000000 +0000
-+++ binutils-2.19.50/bfd/elf.c 2008-10-05 02:03:46.000000000 +0000
-@@ -1136,6 +1136,7 @@
- case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break;
- case PT_GNU_STACK: pt = "STACK"; break;
- case PT_GNU_RELRO: pt = "RELRO"; break;
-+ case PT_PAX_FLAGS: pt = "PAX_FLAGS"; break;
- default: pt = NULL; break;
- }
- return pt;
-@@ -2436,6 +2437,9 @@
- case PT_GNU_RELRO:
- return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "relro");
-
-+ case PT_PAX_FLAGS:
-+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "pax_flags");
-+
- default:
- /* Check for any processor-specific program segment types. */
- bed = get_elf_backend_data (abfd);
-@@ -3429,6 +3433,11 @@
- ++segs;
- }
-
-+ {
-+ /* We need a PT_PAX_FLAGS segment. */
-+ ++segs;
-+ }
-+
- for (s = abfd->sections; s != NULL; s = s->next)
- {
- if ((s->flags & SEC_LOAD) != 0
-@@ -4008,6 +4017,20 @@
- }
- }
-
-+ {
-+ amt = sizeof (struct elf_segment_map);
-+ m = bfd_zalloc (abfd, amt);
-+ if (m == NULL)
-+ goto error_return;
-+ m->next = NULL;
-+ m->p_type = PT_PAX_FLAGS;
-+ m->p_flags = elf_tdata (abfd)->pax_flags;
-+ m->p_flags_valid = 1;
-+
-+ *pm = m;
-+ pm = &m->next;
-+ }
-+
- free (sections);
- elf_tdata (abfd)->segment_map = mfirst;
- }
-@@ -5205,7 +5228,8 @@
- 6. PT_TLS segment includes only SHF_TLS sections.
- 7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments.
- 8. PT_DYNAMIC should not contain empty sections at the beginning
-- (with the possible exception of .dynamic). */
-+ (with the possible exception of .dynamic).
-+ 9. PT_PAX_FLAGS segments does not include any sections. */
- #define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \
- ((((segment->p_paddr \
- ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \
-@@ -5213,6 +5237,7 @@
- && (section->flags & SEC_ALLOC) != 0) \
- || IS_NOTE (segment, section)) \
- && segment->p_type != PT_GNU_STACK \
-+ && segment->p_type != PT_PAX_FLAGS \
- && (segment->p_type != PT_TLS \
- || (section->flags & SEC_THREAD_LOCAL)) \
- && (segment->p_type == PT_LOAD \
-diff -Naur binutils-2.19.50.orig/bfd/elflink.c binutils-2.19.50/bfd/elflink.c
---- binutils-2.19.50.orig/bfd/elflink.c 2008-10-03 09:40:48.000000000 +0000
-+++ binutils-2.19.50/bfd/elflink.c 2008-10-05 02:03:46.000000000 +0000
-@@ -5413,16 +5413,30 @@
- return TRUE;
-
- bed = get_elf_backend_data (output_bfd);
-+ elf_tdata (output_bfd)->pax_flags = PF_NORANDEXEC;
-+
-+ if (info->execheap)
-+ elf_tdata (output_bfd)->pax_flags |= PF_NOMPROTECT;
-+ else if (info->noexecheap)
-+ elf_tdata (output_bfd)->pax_flags |= PF_MPROTECT;
-+
- if (info->execstack)
-- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-+ {
-+ elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-+ elf_tdata (output_bfd)->pax_flags |= PF_EMUTRAMP;
-+ }
- else if (info->noexecstack)
-- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W;
-+ {
-+ elf_tdata (output_bfd)->stack_flags = PF_R | PF_W;
-+ elf_tdata (output_bfd)->pax_flags |= PF_NOEMUTRAMP;
-+ }
- else
- {
- bfd *inputobj;
- asection *notesec = NULL;
- int exec = 0;
-
-+ elf_tdata (output_bfd)->pax_flags |= PF_NOEMUTRAMP;
- for (inputobj = info->input_bfds;
- inputobj;
- inputobj = inputobj->link_next)
-@@ -5435,7 +5449,11 @@
- if (s)
- {
- if (s->flags & SEC_CODE)
-- exec = PF_X;
-+ {
-+ elf_tdata (output_bfd)->pax_flags &= ~PF_NOEMUTRAMP;
-+ elf_tdata (output_bfd)->pax_flags |= PF_EMUTRAMP;
-+ exec = PF_X;
-+ }
- notesec = s;
- }
- else if (bed->default_execstack)
-diff -Naur binutils-2.19.50.orig/binutils/readelf.c binutils-2.19.50/binutils/readelf.c
---- binutils-2.19.50.orig/binutils/readelf.c 2008-09-17 07:50:28.000000000 +0000
-+++ binutils-2.19.50/binutils/readelf.c 2008-10-05 02:03:46.000000000 +0000
-@@ -2505,6 +2505,7 @@
- return "GNU_EH_FRAME";
- case PT_GNU_STACK: return "GNU_STACK";
- case PT_GNU_RELRO: return "GNU_RELRO";
-+ case PT_PAX_FLAGS: return "PAX_FLAGS";
-
- default:
- if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
-diff -Naur binutils-2.19.50.orig/include/bfdlink.h binutils-2.19.50/include/bfdlink.h
---- binutils-2.19.50.orig/include/bfdlink.h 2008-08-17 03:12:50.000000000 +0000
-+++ binutils-2.19.50/include/bfdlink.h 2008-10-05 02:03:46.000000000 +0000
-@@ -319,6 +319,14 @@
- /* TRUE if PT_GNU_RELRO segment should be created. */
- unsigned int relro: 1;
-
-+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_NOMPROTECT
-+ flags. */
-+ unsigned int execheap: 1;
-+
-+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_MPROTECT
-+ flags. */
-+ unsigned int noexecheap: 1;
-+
- /* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
- unsigned int warn_shared_textrel: 1;
-
-diff -Naur binutils-2.19.50.orig/include/elf/common.h binutils-2.19.50/include/elf/common.h
---- binutils-2.19.50.orig/include/elf/common.h 2008-08-03 23:20:42.000000000 +0000
-+++ binutils-2.19.50/include/elf/common.h 2008-10-05 02:04:51.000000000 +0000
-@@ -360,6 +360,7 @@
- #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
- #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
- #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */
-+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) /* PaX flags */
-
- /* Program segment permissions, in program header p_flags field. */
-
-@@ -370,6 +371,21 @@
- #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
- #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
-
-+/* Flags to control PaX behavior. */
-+
-+#define PF_PAGEEXEC (1 << 4) /* Enable PAGEEXEC */
-+#define PF_NOPAGEEXEC (1 << 5) /* Disable PAGEEXEC */
-+#define PF_SEGMEXEC (1 << 6) /* Enable SEGMEXEC */
-+#define PF_NOSEGMEXEC (1 << 7) /* Disable SEGMEXEC */
-+#define PF_MPROTECT (1 << 8) /* Enable MPROTECT */
-+#define PF_NOMPROTECT (1 << 9) /* Disable MPROTECT */
-+#define PF_RANDEXEC (1 << 10) /* Enable RANDEXEC */
-+#define PF_NORANDEXEC (1 << 11) /* Disable RANDEXEC */
-+#define PF_EMUTRAMP (1 << 12) /* Enable EMUTRAMP */
-+#define PF_NOEMUTRAMP (1 << 13) /* Disable EMUTRAMP */
-+#define PF_RANDMMAP (1 << 14) /* Enable RANDMMAP */
-+#define PF_NORANDMMAP (1 << 15) /* Disable RANDMMAP */
-+
- /* Values for section header, sh_type field. */
-
- #define SHT_NULL 0 /* Section header table entry unused */
-diff -Naur binutils-2.19.50.orig/ld/emultempl/elf32.em binutils-2.19.50/ld/emultempl/elf32.em
---- binutils-2.19.50.orig/ld/emultempl/elf32.em 2008-10-03 09:40:49.000000000 +0000
-+++ binutils-2.19.50/ld/emultempl/elf32.em 2008-10-05 02:03:46.000000000 +0000
-@@ -2123,6 +2123,16 @@
- link_info.noexecstack = TRUE;
- link_info.execstack = FALSE;
- }
-+ else if (strcmp (optarg, "execheap") == 0)
-+ {
-+ link_info.execheap = TRUE;
-+ link_info.noexecheap = FALSE;
-+ }
-+ else if (strcmp (optarg, "noexecheap") == 0)
-+ {
-+ link_info.noexecheap = TRUE;
-+ link_info.execheap = FALSE;
-+ }
- EOF
-
- if test -n "$COMMONPAGESIZE"; then
-@@ -2206,6 +2216,8 @@
- fprintf (file, _("\
- -z execstack Mark executable as requiring executable stack\n"));
- fprintf (file, _("\
-+ -z execheap Mark executable as requiring executable heap\n"));
-+ fprintf (file, _("\
- -z initfirst Mark DSO to be initialized first at runtime\n"));
- fprintf (file, _("\
- -z interpose Mark object to interpose all DSOs but executable\n"));
-@@ -2229,6 +2241,8 @@
- -z nodump Mark DSO not available to dldump\n"));
- fprintf (file, _("\
- -z noexecstack Mark executable as not requiring executable stack\n"));
-+ fprintf (file, _("\
-+ -z noexecheap Mark executable as not requiring executable heap\n"));
- EOF
-
- if test -n "$COMMONPAGESIZE"; then
-diff -Naur binutils-2.19.50.orig/ld/ldgram.y binutils-2.19.50/ld/ldgram.y
---- binutils-2.19.50.orig/ld/ldgram.y 2008-07-06 13:38:36.000000000 +0000
-+++ binutils-2.19.50/ld/ldgram.y 2008-10-05 02:03:46.000000000 +0000
-@@ -1112,6 +1112,8 @@
- $$ = exp_intop (0x6474e550);
- else if (strcmp (s, "PT_GNU_STACK") == 0)
- $$ = exp_intop (0x6474e551);
-+ else if (strcmp (s, "PT_PAX_FLAGS") == 0)
-+ $$ = exp_intop (0x65041580);
- else
- {
- einfo (_("\
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-elf/seg.d binutils-2.19.50/ld/testsuite/ld-elf/seg.d
---- binutils-2.19.50.orig/ld/testsuite/ld-elf/seg.d 2008-02-22 23:10:45.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-elf/seg.d 2008-10-05 02:03:46.000000000 +0000
-@@ -10,6 +10,7 @@
- #...
- LOAD .*
- LOAD 0x0*001000 0xf*fffff000 0xf*fffff000 0x0*1000 0x0*1000 .*
-+ PAX_FLAGS 0x000000 0x00000000 0x00000000 0x00000 0x00000 0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -17,3 +18,4 @@
- # On MIPS, the first segment is for .reginfo.
- #...
- 0. reset boot
-+ 02
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/hidden2.d binutils-2.19.50/ld/testsuite/ld-i386/hidden2.d
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/hidden2.d 2008-03-16 22:26:23.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/hidden2.d 2008-10-05 02:03:46.000000000 +0000
-@@ -8,6 +8,6 @@
- Disassembly of section .text:
-
- [a-f0-9]+ <bar>:
--[ ]*[a-f0-9]+: e8 cf fe ff ff call 0 <bar-0x[a-f0-9]+>
-+[ ]*[a-f0-9]+: e8 af fe ff ff call 0 <bar-0x[a-f0-9]+>
- [ ]*[a-f0-9]+: c3 ret
- #pass
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbin.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsbin.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbin.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsbin.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -44,6 +44,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -53,6 +54,7 @@
- 03 +.tdata .dynamic .got .got.plt *
- 04 +.dynamic *
- 05 +.tdata .tbss *
-+ 06 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbindesc.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsbindesc.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbindesc.rd 2008-07-28 18:07:05.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsbindesc.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -42,6 +42,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -51,6 +52,7 @@
- 03 +.tdata .dynamic .got .got.plt *
- 04 +.dynamic *
- 05 +.tdata .tbss *
-+ 06 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -39,6 +39,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -46,6 +47,7 @@
- 01 +.tdata .dynamic .got .got.plt *
- 02 +.dynamic *
- 03 +.tdata .tbss *
-+ 04 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.sd binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.sd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.sd 2006-10-17 13:41:48.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.sd 2008-10-05 02:03:46.000000000 +0000
-@@ -14,7 +14,7 @@
- [0-9a-f]+ 6c000000 b4ffffff 4c000000 68000000 .*
- [0-9a-f]+ 50000000 70000000 00000000 bcffffff .*
- Contents of section \.got\.plt:
-- [0-9a-f]+ b0150000 00000000 00000000 00000000 .*
-+ [0-9a-f]+ d0150000 00000000 00000000 00000000 .*
- [0-9a-f]+ 20000000 00000000 60000000 00000000 .*
- [0-9a-f]+ 00000000 00000000 00000000 00000000 .*
- [0-9a-f]+ 40000000 +.*
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsgdesc.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsgdesc.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsgdesc.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsgdesc.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -36,12 +36,14 @@
- LOAD.*
- LOAD.*
- DYNAMIC.*
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
- 00 +.hash .dynsym .dynstr .rel.dyn .rel.plt .plt .text *
- 01 +.dynamic .got .got.plt *
- 02 +.dynamic *
-+ 03 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 8 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsnopic.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsnopic.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsnopic.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsnopic.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -37,6 +37,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+ 0x0+24 R +0x1
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -44,6 +45,7 @@
- 01 +.dynamic .got .got.plt *
- 02 +.dynamic *
- 03 +.tbss *
-+ 04 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlspic.rd binutils-2.19.50/ld/testsuite/ld-i386/tlspic.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlspic.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlspic.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -40,6 +40,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -47,6 +48,7 @@
- 01 +.tdata .dynamic .got .got.plt *
- 02 +.dynamic *
- 03 +.tdata .tbss *
-+ 04 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 26 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-scripts/empty-aligned.d binutils-2.19.50/ld/testsuite/ld-scripts/empty-aligned.d
---- binutils-2.19.50.orig/ld/testsuite/ld-scripts/empty-aligned.d 2005-08-18 07:51:07.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-scripts/empty-aligned.d 2008-10-05 02:03:46.000000000 +0000
-@@ -7,7 +7,9 @@
- Program Headers:
- +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg +Align
- +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ [RWE ]+ +0x[0-9a-f]+
-+ +PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- +Segment Sections\.\.\.
- +00 +.text
-+ +01 +
+++ /dev/null
-diff -Naur binutils-2.19.50.orig/bfd/elf-bfd.h binutils-2.19.50/bfd/elf-bfd.h
---- binutils-2.19.50.orig/bfd/elf-bfd.h 2008-08-20 23:28:58.000000000 +0000
-+++ binutils-2.19.50/bfd/elf-bfd.h 2008-10-05 02:03:46.000000000 +0000
-@@ -1526,6 +1526,9 @@
- /* Segment flags for the PT_GNU_STACK segment. */
- unsigned int stack_flags;
-
-+ /* Segment flags for the PT_PAX_FLAGS segment. */
-+ unsigned int pax_flags;
-+
- /* Symbol version definitions in external objects. */
- Elf_Internal_Verdef *verdef;
-
-diff -Naur binutils-2.19.50.orig/bfd/elf.c binutils-2.19.50/bfd/elf.c
---- binutils-2.19.50.orig/bfd/elf.c 2008-10-03 09:40:48.000000000 +0000
-+++ binutils-2.19.50/bfd/elf.c 2008-10-05 02:03:46.000000000 +0000
-@@ -1136,6 +1136,7 @@
- case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break;
- case PT_GNU_STACK: pt = "STACK"; break;
- case PT_GNU_RELRO: pt = "RELRO"; break;
-+ case PT_PAX_FLAGS: pt = "PAX_FLAGS"; break;
- default: pt = NULL; break;
- }
- return pt;
-@@ -2436,6 +2437,9 @@
- case PT_GNU_RELRO:
- return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "relro");
-
-+ case PT_PAX_FLAGS:
-+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "pax_flags");
-+
- default:
- /* Check for any processor-specific program segment types. */
- bed = get_elf_backend_data (abfd);
-@@ -3429,6 +3433,11 @@
- ++segs;
- }
-
-+ {
-+ /* We need a PT_PAX_FLAGS segment. */
-+ ++segs;
-+ }
-+
- for (s = abfd->sections; s != NULL; s = s->next)
- {
- if ((s->flags & SEC_LOAD) != 0
-@@ -4008,6 +4017,20 @@
- }
- }
-
-+ {
-+ amt = sizeof (struct elf_segment_map);
-+ m = bfd_zalloc (abfd, amt);
-+ if (m == NULL)
-+ goto error_return;
-+ m->next = NULL;
-+ m->p_type = PT_PAX_FLAGS;
-+ m->p_flags = elf_tdata (abfd)->pax_flags;
-+ m->p_flags_valid = 1;
-+
-+ *pm = m;
-+ pm = &m->next;
-+ }
-+
- free (sections);
- elf_tdata (abfd)->segment_map = mfirst;
- }
-@@ -5205,7 +5228,8 @@
- 6. PT_TLS segment includes only SHF_TLS sections.
- 7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments.
- 8. PT_DYNAMIC should not contain empty sections at the beginning
-- (with the possible exception of .dynamic). */
-+ (with the possible exception of .dynamic).
-+ 9. PT_PAX_FLAGS segments does not include any sections. */
- #define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \
- ((((segment->p_paddr \
- ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \
-@@ -5213,6 +5237,7 @@
- && (section->flags & SEC_ALLOC) != 0) \
- || IS_NOTE (segment, section)) \
- && segment->p_type != PT_GNU_STACK \
-+ && segment->p_type != PT_PAX_FLAGS \
- && (segment->p_type != PT_TLS \
- || (section->flags & SEC_THREAD_LOCAL)) \
- && (segment->p_type == PT_LOAD \
-diff -Naur binutils-2.19.50.orig/bfd/elflink.c binutils-2.19.50/bfd/elflink.c
---- binutils-2.19.50.orig/bfd/elflink.c 2008-10-03 09:40:48.000000000 +0000
-+++ binutils-2.19.50/bfd/elflink.c 2008-10-05 02:03:46.000000000 +0000
-@@ -5413,16 +5413,30 @@
- return TRUE;
-
- bed = get_elf_backend_data (output_bfd);
-+ elf_tdata (output_bfd)->pax_flags = PF_NORANDEXEC;
-+
-+ if (info->execheap)
-+ elf_tdata (output_bfd)->pax_flags |= PF_NOMPROTECT;
-+ else if (info->noexecheap)
-+ elf_tdata (output_bfd)->pax_flags |= PF_MPROTECT;
-+
- if (info->execstack)
-- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-+ {
-+ elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-+ elf_tdata (output_bfd)->pax_flags |= PF_EMUTRAMP;
-+ }
- else if (info->noexecstack)
-- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W;
-+ {
-+ elf_tdata (output_bfd)->stack_flags = PF_R | PF_W;
-+ elf_tdata (output_bfd)->pax_flags |= PF_NOEMUTRAMP;
-+ }
- else
- {
- bfd *inputobj;
- asection *notesec = NULL;
- int exec = 0;
-
-+ elf_tdata (output_bfd)->pax_flags |= PF_NOEMUTRAMP;
- for (inputobj = info->input_bfds;
- inputobj;
- inputobj = inputobj->link_next)
-@@ -5435,7 +5449,11 @@
- if (s)
- {
- if (s->flags & SEC_CODE)
-- exec = PF_X;
-+ {
-+ elf_tdata (output_bfd)->pax_flags &= ~PF_NOEMUTRAMP;
-+ elf_tdata (output_bfd)->pax_flags |= PF_EMUTRAMP;
-+ exec = PF_X;
-+ }
- notesec = s;
- }
- else if (bed->default_execstack)
-diff -Naur binutils-2.19.50.orig/binutils/readelf.c binutils-2.19.50/binutils/readelf.c
---- binutils-2.19.50.orig/binutils/readelf.c 2008-09-17 07:50:28.000000000 +0000
-+++ binutils-2.19.50/binutils/readelf.c 2008-10-05 02:03:46.000000000 +0000
-@@ -2505,6 +2505,7 @@
- return "GNU_EH_FRAME";
- case PT_GNU_STACK: return "GNU_STACK";
- case PT_GNU_RELRO: return "GNU_RELRO";
-+ case PT_PAX_FLAGS: return "PAX_FLAGS";
-
- default:
- if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
-diff -Naur binutils-2.19.50.orig/include/bfdlink.h binutils-2.19.50/include/bfdlink.h
---- binutils-2.19.50.orig/include/bfdlink.h 2008-08-17 03:12:50.000000000 +0000
-+++ binutils-2.19.50/include/bfdlink.h 2008-10-05 02:03:46.000000000 +0000
-@@ -319,6 +319,14 @@
- /* TRUE if PT_GNU_RELRO segment should be created. */
- unsigned int relro: 1;
-
-+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_NOMPROTECT
-+ flags. */
-+ unsigned int execheap: 1;
-+
-+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_MPROTECT
-+ flags. */
-+ unsigned int noexecheap: 1;
-+
- /* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
- unsigned int warn_shared_textrel: 1;
-
-diff -Naur binutils-2.19.50.orig/include/elf/common.h binutils-2.19.50/include/elf/common.h
---- binutils-2.19.50.orig/include/elf/common.h 2008-08-03 23:20:42.000000000 +0000
-+++ binutils-2.19.50/include/elf/common.h 2008-10-05 02:04:51.000000000 +0000
-@@ -360,6 +360,7 @@
- #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
- #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
- #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */
-+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) /* PaX flags */
-
- /* Program segment permissions, in program header p_flags field. */
-
-@@ -370,6 +371,21 @@
- #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
- #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
-
-+/* Flags to control PaX behavior. */
-+
-+#define PF_PAGEEXEC (1 << 4) /* Enable PAGEEXEC */
-+#define PF_NOPAGEEXEC (1 << 5) /* Disable PAGEEXEC */
-+#define PF_SEGMEXEC (1 << 6) /* Enable SEGMEXEC */
-+#define PF_NOSEGMEXEC (1 << 7) /* Disable SEGMEXEC */
-+#define PF_MPROTECT (1 << 8) /* Enable MPROTECT */
-+#define PF_NOMPROTECT (1 << 9) /* Disable MPROTECT */
-+#define PF_RANDEXEC (1 << 10) /* Enable RANDEXEC */
-+#define PF_NORANDEXEC (1 << 11) /* Disable RANDEXEC */
-+#define PF_EMUTRAMP (1 << 12) /* Enable EMUTRAMP */
-+#define PF_NOEMUTRAMP (1 << 13) /* Disable EMUTRAMP */
-+#define PF_RANDMMAP (1 << 14) /* Enable RANDMMAP */
-+#define PF_NORANDMMAP (1 << 15) /* Disable RANDMMAP */
-+
- /* Values for section header, sh_type field. */
-
- #define SHT_NULL 0 /* Section header table entry unused */
-diff -Naur binutils-2.19.50.orig/ld/emultempl/elf32.em binutils-2.19.50/ld/emultempl/elf32.em
---- binutils-2.19.50.orig/ld/emultempl/elf32.em 2008-10-03 09:40:49.000000000 +0000
-+++ binutils-2.19.50/ld/emultempl/elf32.em 2008-10-05 02:03:46.000000000 +0000
-@@ -2123,6 +2123,16 @@
- link_info.noexecstack = TRUE;
- link_info.execstack = FALSE;
- }
-+ else if (strcmp (optarg, "execheap") == 0)
-+ {
-+ link_info.execheap = TRUE;
-+ link_info.noexecheap = FALSE;
-+ }
-+ else if (strcmp (optarg, "noexecheap") == 0)
-+ {
-+ link_info.noexecheap = TRUE;
-+ link_info.execheap = FALSE;
-+ }
- EOF
-
- if test -n "$COMMONPAGESIZE"; then
-@@ -2206,6 +2216,8 @@
- fprintf (file, _("\
- -z execstack Mark executable as requiring executable stack\n"));
- fprintf (file, _("\
-+ -z execheap Mark executable as requiring executable heap\n"));
-+ fprintf (file, _("\
- -z initfirst Mark DSO to be initialized first at runtime\n"));
- fprintf (file, _("\
- -z interpose Mark object to interpose all DSOs but executable\n"));
-@@ -2229,6 +2241,8 @@
- -z nodump Mark DSO not available to dldump\n"));
- fprintf (file, _("\
- -z noexecstack Mark executable as not requiring executable stack\n"));
-+ fprintf (file, _("\
-+ -z noexecheap Mark executable as not requiring executable heap\n"));
- EOF
-
- if test -n "$COMMONPAGESIZE"; then
-diff -Naur binutils-2.19.50.orig/ld/ldgram.y binutils-2.19.50/ld/ldgram.y
---- binutils-2.19.50.orig/ld/ldgram.y 2008-07-06 13:38:36.000000000 +0000
-+++ binutils-2.19.50/ld/ldgram.y 2008-10-05 02:03:46.000000000 +0000
-@@ -1112,6 +1112,8 @@
- $$ = exp_intop (0x6474e550);
- else if (strcmp (s, "PT_GNU_STACK") == 0)
- $$ = exp_intop (0x6474e551);
-+ else if (strcmp (s, "PT_PAX_FLAGS") == 0)
-+ $$ = exp_intop (0x65041580);
- else
- {
- einfo (_("\
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-elf/seg.d binutils-2.19.50/ld/testsuite/ld-elf/seg.d
---- binutils-2.19.50.orig/ld/testsuite/ld-elf/seg.d 2008-02-22 23:10:45.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-elf/seg.d 2008-10-05 02:03:46.000000000 +0000
-@@ -10,6 +10,7 @@
- #...
- LOAD .*
- LOAD 0x0*001000 0xf*fffff000 0xf*fffff000 0x0*1000 0x0*1000 .*
-+ PAX_FLAGS 0x000000 0x00000000 0x00000000 0x00000 0x00000 0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -17,3 +18,4 @@
- # On MIPS, the first segment is for .reginfo.
- #...
- 0. reset boot
-+ 02
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/hidden2.d binutils-2.19.50/ld/testsuite/ld-i386/hidden2.d
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/hidden2.d 2008-03-16 22:26:23.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/hidden2.d 2008-10-05 02:03:46.000000000 +0000
-@@ -8,6 +8,6 @@
- Disassembly of section .text:
-
- [a-f0-9]+ <bar>:
--[ ]*[a-f0-9]+: e8 cf fe ff ff call 0 <bar-0x[a-f0-9]+>
-+[ ]*[a-f0-9]+: e8 af fe ff ff call 0 <bar-0x[a-f0-9]+>
- [ ]*[a-f0-9]+: c3 ret
- #pass
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbin.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsbin.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbin.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsbin.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -44,6 +44,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -53,6 +54,7 @@
- 03 +.tdata .dynamic .got .got.plt *
- 04 +.dynamic *
- 05 +.tdata .tbss *
-+ 06 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbindesc.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsbindesc.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsbindesc.rd 2008-07-28 18:07:05.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsbindesc.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -42,6 +42,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -51,6 +52,7 @@
- 03 +.tdata .dynamic .got .got.plt *
- 04 +.dynamic *
- 05 +.tdata .tbss *
-+ 06 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -39,6 +39,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -46,6 +47,7 @@
- 01 +.tdata .dynamic .got .got.plt *
- 02 +.dynamic *
- 03 +.tdata .tbss *
-+ 04 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.sd binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.sd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsdesc.sd 2006-10-17 13:41:48.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsdesc.sd 2008-10-05 02:03:46.000000000 +0000
-@@ -14,7 +14,7 @@
- [0-9a-f]+ 6c000000 b4ffffff 4c000000 68000000 .*
- [0-9a-f]+ 50000000 70000000 00000000 bcffffff .*
- Contents of section \.got\.plt:
-- [0-9a-f]+ b0150000 00000000 00000000 00000000 .*
-+ [0-9a-f]+ d0150000 00000000 00000000 00000000 .*
- [0-9a-f]+ 20000000 00000000 60000000 00000000 .*
- [0-9a-f]+ 00000000 00000000 00000000 00000000 .*
- [0-9a-f]+ 40000000 +.*
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsgdesc.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsgdesc.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsgdesc.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsgdesc.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -36,12 +36,14 @@
- LOAD.*
- LOAD.*
- DYNAMIC.*
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
- 00 +.hash .dynsym .dynstr .rel.dyn .rel.plt .plt .text *
- 01 +.dynamic .got .got.plt *
- 02 +.dynamic *
-+ 03 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 8 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsnopic.rd binutils-2.19.50/ld/testsuite/ld-i386/tlsnopic.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlsnopic.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlsnopic.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -37,6 +37,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+ 0x0+24 R +0x1
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -44,6 +45,7 @@
- 01 +.dynamic .got .got.plt *
- 02 +.dynamic *
- 03 +.tbss *
-+ 04 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-i386/tlspic.rd binutils-2.19.50/ld/testsuite/ld-i386/tlspic.rd
---- binutils-2.19.50.orig/ld/testsuite/ld-i386/tlspic.rd 2007-09-30 01:33:14.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-i386/tlspic.rd 2008-10-05 02:03:46.000000000 +0000
-@@ -40,6 +40,7 @@
- LOAD.*
- DYNAMIC.*
- TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1
-+ PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- Segment Sections...
-@@ -47,6 +48,7 @@
- 01 +.tdata .dynamic .got .got.plt *
- 02 +.dynamic *
- 03 +.tdata .tbss *
-+ 04 *
-
- Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 26 entries:
- Offset +Info +Type +Sym.Value +Sym. Name
-diff -Naur binutils-2.19.50.orig/ld/testsuite/ld-scripts/empty-aligned.d binutils-2.19.50/ld/testsuite/ld-scripts/empty-aligned.d
---- binutils-2.19.50.orig/ld/testsuite/ld-scripts/empty-aligned.d 2005-08-18 07:51:07.000000000 +0000
-+++ binutils-2.19.50/ld/testsuite/ld-scripts/empty-aligned.d 2008-10-05 02:03:46.000000000 +0000
-@@ -7,7 +7,9 @@
- Program Headers:
- +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg +Align
- +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ [RWE ]+ +0x[0-9a-f]+
-+ +PAX_FLAGS +0x000000 0x00000000 0x00000000 0x00000 0x00000 +0x4
-
- Section to Segment mapping:
- +Segment Sections\.\.\.
- +00 +.text
-+ +01 +
projects / ipfire-3.x.git / commitdiff
