1a43be74a7
This cleans up the formatting in the vDSO linker script, mostly just the use of whitespace. It's intended to approximate the kernel standard conventions for indenting C, treating elements of the linker script about like initialized variable definitions. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
106 lines
2.6 KiB
ArmAsm
106 lines
2.6 KiB
ArmAsm
/*
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* Linker script for gate DSO. The gate pages are an ELF shared object
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* prelinked to its virtual address, with only one read-only segment and
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* one execute-only segment (both fit in one page). This script controls
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* its layout.
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*/
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#include <asm/system.h>
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SECTIONS
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{
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. = GATE_ADDR + SIZEOF_HEADERS;
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.hash : { *(.hash) } :readable
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.gnu.hash : { *(.gnu.hash) }
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.dynsym : { *(.dynsym) }
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.dynstr : { *(.dynstr) }
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.gnu.version : { *(.gnu.version) }
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.gnu.version_d : { *(.gnu.version_d) }
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.gnu.version_r : { *(.gnu.version_r) }
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.dynamic : { *(.dynamic) } :readable :dynamic
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/*
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* This linker script is used both with -r and with -shared. For
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* the layouts to match, we need to skip more than enough space for
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* the dynamic symbol table et al. If this amount is insufficient,
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* ld -shared will barf. Just increase it here.
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*/
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. = GATE_ADDR + 0x500;
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.data.patch : {
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__start_gate_mckinley_e9_patchlist = .;
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*(.data.patch.mckinley_e9)
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__end_gate_mckinley_e9_patchlist = .;
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__start_gate_vtop_patchlist = .;
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*(.data.patch.vtop)
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__end_gate_vtop_patchlist = .;
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__start_gate_fsyscall_patchlist = .;
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*(.data.patch.fsyscall_table)
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__end_gate_fsyscall_patchlist = .;
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__start_gate_brl_fsys_bubble_down_patchlist = .;
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*(.data.patch.brl_fsys_bubble_down)
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__end_gate_brl_fsys_bubble_down_patchlist = .;
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} :readable
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.IA_64.unwind_info : { *(.IA_64.unwind_info*) }
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.IA_64.unwind : { *(.IA_64.unwind*) } :readable :unwind
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#ifdef HAVE_BUGGY_SEGREL
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.text (GATE_ADDR + PAGE_SIZE) : { *(.text) *(.text.*) } :readable
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#else
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. = ALIGN(PERCPU_PAGE_SIZE) + (. & (PERCPU_PAGE_SIZE - 1));
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.text : { *(.text) *(.text.*) } :epc
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#endif
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/DISCARD/ : {
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*(.got.plt) *(.got)
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*(.data .data.* .gnu.linkonce.d.*)
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*(.dynbss)
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*(.bss .bss.* .gnu.linkonce.b.*)
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*(__ex_table)
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*(__mca_table)
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}
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}
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/*
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* ld does not recognize this name token; use the constant.
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*/
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#define PT_IA_64_UNWIND 0x70000001
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/*
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* We must supply the ELF program headers explicitly to get just one
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* PT_LOAD segment, and set the flags explicitly to make segments read-only.
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*/
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PHDRS
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{
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readable PT_LOAD FILEHDR PHDRS FLAGS(4); /* PF_R */
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#ifndef HAVE_BUGGY_SEGREL
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epc PT_LOAD FILEHDR PHDRS FLAGS(1); /* PF_X */
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#endif
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dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
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unwind PT_IA_64_UNWIND;
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}
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/*
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* This controls what symbols we export from the DSO.
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*/
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VERSION
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{
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LINUX_2.5 {
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global:
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__kernel_syscall_via_break;
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__kernel_syscall_via_epc;
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__kernel_sigtramp;
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local: *;
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};
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}
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/* The ELF entry point can be used to set the AT_SYSINFO value. */
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ENTRY(__kernel_syscall_via_epc)
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