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@@ -1,7 +1,8 @@
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/*
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- * Linker script for gate DSO. The gate pages are an ELF shared object prelinked to its
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- * virtual address, with only one read-only segment and one execute-only segment (both fit
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- * in one page). This script controls its layout.
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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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@@ -9,72 +10,80 @@
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SECTIONS
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{
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- . = GATE_ADDR + SIZEOF_HEADERS;
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-
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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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- /*
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- * This linker script is used both with -r and with -shared. For the layouts to match,
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- * we need to skip more than enough space for the dynamic symbol table et al. If this
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- * amount is insufficient, ld -shared will barf. Just increase it here.
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- */
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- . = GATE_ADDR + 0x500;
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-
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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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-
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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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-
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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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-
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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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+ . = GATE_ADDR + SIZEOF_HEADERS;
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+
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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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+
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+ .dynamic : { *(.dynamic) } :readable :dynamic
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+ .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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+ . = 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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+ /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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/*
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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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+ 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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+ 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 0x70000001; /* PT_IA_64_UNWIND, but ld doesn't match the name */
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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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@@ -82,14 +91,14 @@ PHDRS
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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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-
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- local: *;
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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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+
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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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