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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-22 13:16:01 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-22 13:16:01 -0700 |
commit | 06b8147c5dbd385b5b97ca74e19f6f3951ebc1cb (patch) | |
tree | 6ed9de7ca0ab3a65af6a189a89deb0a36ab35f6b /arch/powerpc/kernel/vmlinux.lds.S | |
parent | 53baaaa9682c230410a057263d1ce2922f43ddc4 (diff) | |
parent | 8725f25acc656c1522d48a6746055099efdaca4c (diff) | |
download | linux-06b8147c5dbd385b5b97ca74e19f6f3951ebc1cb.tar.bz2 |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (49 commits)
powerpc: Fix build bug with binutils < 2.18 and GCC < 4.2
powerpc/eeh: Don't panic when EEH_MAX_FAILS is exceeded
fbdev: Teaches offb about palette on radeon r5xx/r6xx
powerpc/cell/edac: Log a syndrome code in case of correctable error
powerpc/cell: Add DMA_ATTR_WEAK_ORDERING dma attribute and use in Cell IOMMU code
powerpc: Indicate which oprofile counters to use while in compat mode
powerpc/boot: Change spaces to tabs
powerpc: Remove duplicate 6xx option in Kconfig
powerpc: Use PPC_LONG and PPC_LONG_ALIGN in lib/string.S
powerpc: Use PPC_LONG_ALIGN in uaccess.h
powerpc: Add a #define for aligning to a long-sized boundary
powerpc: Fix OF parsing of 64 bits PCI addresses
powerpc: Use WARN_ON(1) instead of __WARN()
powerpc: Fix support for latencytop
powerpc/ps3: Update ps3_defconfig
powerpc/ps3: Add a sub-match id to ps3_system_bus
powerpc: Add a 6xx defconfig
powerpc/dma: Use the struct dma_attrs in iommu code
powerpc/cell: Add support for power button of future IBM cell blades
powerpc/cell: Cleanup sysreset_hack for IBM cell blades
...
Diffstat (limited to 'arch/powerpc/kernel/vmlinux.lds.S')
-rw-r--r-- | arch/powerpc/kernel/vmlinux.lds.S | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 87a72c66ce27..a914411bced5 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -9,6 +9,25 @@ ENTRY(_stext) +PHDRS { + kernel PT_LOAD FLAGS(7); /* RWX */ + notes PT_NOTE FLAGS(0); + dummy PT_NOTE FLAGS(0); + + /* binutils < 2.18 has a bug that makes it misbehave when taking an + ELF file with all segments at load address 0 as input. This + happens when running "strip" on vmlinux, because of the AT() magic + in this linker script. People using GCC >= 4.2 won't run into + this problem, because the "build-id" support will put some data + into the "notes" segment (at a non-zero load address). + + To work around this, we force some data into both the "dummy" + segment and the kernel segment, so the dummy segment will get a + non-zero load address. It's not enough to always create the + "notes" segment, since if nothing gets assigned to it, its load + address will be zero. */ +} + #ifdef CONFIG_PPC64 OUTPUT_ARCH(powerpc:common64) jiffies = jiffies_64; @@ -50,7 +69,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); _etext = .; PROVIDE32 (etext = .); - } + } :kernel /* Read-only data */ RODATA @@ -62,7 +81,13 @@ SECTIONS __stop___ex_table = .; } - NOTES + NOTES :kernel :notes + + /* The dummy segment contents for the bug workaround mentioned above + near PHDRS. */ + .dummy : { + LONG(0xf177) + } :kernel :dummy /* * Init sections discarded at runtime @@ -74,7 +99,7 @@ SECTIONS _sinittext = .; INIT_TEXT _einittext = .; - } + } :kernel /* .exit.text is discarded at runtime, not link time, * to deal with references from __bug_table |