From 5957e82262360376e032eef1c5876456c9eed3ba Mon Sep 17 00:00:00 2001 From: Nathan Sidwell Date: Thu, 11 Jan 2007 12:23:53 +0000 Subject: [PATCH] bfd/ * elf.c (assign_file_positions_for_load_sections): We can require fewer phdrs than expected. ld/ * emultempl/elf-generic.em (gdl_map_segments): Only allow header shrinkage for the first few iterations. ld/testsuite/ * ld-elf/header.d: New. * ld-elf/header.t: New. * ld-elf/header.s: New. --- bfd/ChangeLog | 5 +++++ bfd/elf.c | 2 +- ld/ChangeLog | 5 +++++ ld/emultempl/elf-generic.em | 12 +++++++++++- ld/testsuite/ChangeLog | 6 ++++++ ld/testsuite/ld-elf/header.d | 12 ++++++++++++ ld/testsuite/ld-elf/header.s | 8 ++++++++ ld/testsuite/ld-elf/header.t | 8 ++++++++ 8 files changed, 56 insertions(+), 2 deletions(-) create mode 100644 ld/testsuite/ld-elf/header.d create mode 100644 ld/testsuite/ld-elf/header.s create mode 100644 ld/testsuite/ld-elf/header.t diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 0db2a5ec34..c3cc405b7a 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2007-01-11 Nathan Sidwell + + * elf.c (assign_file_positions_for_load_sections): We can + require fewer phdrs than expected. + 2007-01-08 Kazu Hirata * archures.c (bfd_mach_cpu32_fido): Rename to bfd_mach_fido. diff --git a/bfd/elf.c b/bfd/elf.c index c8fcbb560c..faeb1459ad 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -4275,7 +4275,7 @@ assign_file_positions_for_load_sections (bfd *abfd, elf_tdata (abfd)->program_header_size = alloc * bed->s->sizeof_phdr; else BFD_ASSERT (elf_tdata (abfd)->program_header_size - == alloc * bed->s->sizeof_phdr); + >= alloc * bed->s->sizeof_phdr); if (alloc == 0) { diff --git a/ld/ChangeLog b/ld/ChangeLog index b3de4e6c56..d5366ec50e 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,8 @@ +2007-01-11 Nathan Sidwell + + * emultempl/elf-generic.em (gdl_map_segments): Only allow header + shrinkage for the first few iterations. + 2007-01-08 Kai Tietz * configure.tgt: Renamed target x86_64-*-mingw64 to diff --git a/ld/emultempl/elf-generic.em b/ld/emultempl/elf-generic.em index dd0907ccf8..7edee8b68e 100644 --- a/ld/emultempl/elf-generic.em +++ b/ld/emultempl/elf-generic.em @@ -60,7 +60,17 @@ gld${EMULATION_NAME}_map_segments (bfd_boolean need_layout) einfo ("%F%P: map sections to segments failed: %E\n"); if (phdr_size != elf_tdata (output_bfd)->program_header_size) - need_layout = TRUE; + { + if (tries > 6) + /* The first few times we allow any change to + phdr_size . */ + need_layout = TRUE; + else if (phdr_size < elf_tdata (output_bfd)->program_header_size) + /* After that we only allow the size to grow. */ + need_layout = TRUE; + else + elf_tdata (output_bfd)->program_header_size = phdr_size; + } } } while (need_layout && --tries); diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index 93c63d644e..4b709366a0 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2007-01-11 Nathan Sidwell + + * ld-elf/header.d: New. + * ld-elf/header.t: New. + * ld-elf/header.s: New. + 2007-01-08 Kai Tietz * ld-fastcall/fastcall.exp: Renamed target x86_64-*-mingw64 to diff --git a/ld/testsuite/ld-elf/header.d b/ld/testsuite/ld-elf/header.d new file mode 100644 index 0000000000..bc4bed3dd6 --- /dev/null +++ b/ld/testsuite/ld-elf/header.d @@ -0,0 +1,12 @@ +# ld: -T header.t -z max-page-size=0x10000 +# objdump: -hpw + +#... +Program Header: + LOAD off 0x0*0000000 vaddr 0x0*0010000 paddr 0x0*0010000 align 2..16 + filesz 0x0*001002[48] memsz 0x0*001002[48] flags rwx + +Sections: +Idx Name Size VMA *LMA *File off Algn Flags + 0 .text 0*000ffac 0*001007[48] 0*001007[48] 0*000007[48] 2... CONTENTS, ALLOC, LOAD, READONLY, CODE + 1 .data 0*0000004 0*002002[04] 0*002002[04] 0*001002[04] 2... CONTENTS, ALLOC, LOAD, DATA diff --git a/ld/testsuite/ld-elf/header.s b/ld/testsuite/ld-elf/header.s new file mode 100644 index 0000000000..c47d3f130a --- /dev/null +++ b/ld/testsuite/ld-elf/header.s @@ -0,0 +1,8 @@ + .text + .globl main +main: + .rept 0x4000 - 0x15 + .long 0xfedcba98 + .endr + .data + .long 0x76543210 diff --git a/ld/testsuite/ld-elf/header.t b/ld/testsuite/ld-elf/header.t new file mode 100644 index 0000000000..cc0317bf77 --- /dev/null +++ b/ld/testsuite/ld-elf/header.t @@ -0,0 +1,8 @@ +ENTRY(main) + +SECTIONS +{ + . = 0x10000 + SIZEOF_HEADERS; + .text : { *(.text) } + .data : { *(.data) } +} -- 2.11.0