diff options
Diffstat (limited to 'arch/ia64/kernel/gate.lds.S')
| -rw-r--r-- | arch/ia64/kernel/gate.lds.S | 138 |
1 files changed, 75 insertions, 63 deletions
diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S index 6d198339bf85..3cb1abc00e24 100644 --- a/arch/ia64/kernel/gate.lds.S +++ b/arch/ia64/kernel/gate.lds.S @@ -1,7 +1,8 @@ /* - * Linker script for gate DSO. The gate pages are an ELF shared object prelinked to its - * virtual address, with only one read-only segment and one execute-only segment (both fit - * in one page). This script controls its layout. + * Linker script for gate DSO. The gate pages are an ELF shared object + * prelinked to its virtual address, with only one read-only segment and + * one execute-only segment (both fit in one page). This script controls + * its layout. */ @@ -9,72 +10,83 @@ SECTIONS { - . = GATE_ADDR + SIZEOF_HEADERS; - - .hash : { *(.hash) } :readable - .gnu.hash : { *(.gnu.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .gnu.version : { *(.gnu.version) } - .gnu.version_d : { *(.gnu.version_d) } - .gnu.version_r : { *(.gnu.version_r) } - .dynamic : { *(.dynamic) } :readable :dynamic - - /* - * This linker script is used both with -r and with -shared. For the layouts to match, - * we need to skip more than enough space for the dynamic symbol table et al. If this - * amount is insufficient, ld -shared will barf. Just increase it here. - */ - . = GATE_ADDR + 0x500; - - .data.patch : { - __start_gate_mckinley_e9_patchlist = .; - *(.data.patch.mckinley_e9) - __end_gate_mckinley_e9_patchlist = .; - - __start_gate_vtop_patchlist = .; - *(.data.patch.vtop) - __end_gate_vtop_patchlist = .; - - __start_gate_fsyscall_patchlist = .; - *(.data.patch.fsyscall_table) - __end_gate_fsyscall_patchlist = .; - - __start_gate_brl_fsys_bubble_down_patchlist = .; - *(.data.patch.brl_fsys_bubble_down) - __end_gate_brl_fsys_bubble_down_patchlist = .; - } :readable - .IA_64.unwind_info : { *(.IA_64.unwind_info*) } - .IA_64.unwind : { *(.IA_64.unwind*) } :readable :unwind + . = GATE_ADDR + SIZEOF_HEADERS; + + .hash : { *(.hash) } :readable + .gnu.hash : { *(.gnu.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + + .note : { *(.note*) } :readable :note + + .dynamic : { *(.dynamic) } :readable :dynamic + + /* + * This linker script is used both with -r and with -shared. For + * the layouts to match, we need to skip more than enough space for + * the dynamic symbol table et al. If this amount is insufficient, + * ld -shared will barf. Just increase it here. + */ + . = GATE_ADDR + 0x600; + + .data.patch : { + __start_gate_mckinley_e9_patchlist = .; + *(.data.patch.mckinley_e9) + __end_gate_mckinley_e9_patchlist = .; + + __start_gate_vtop_patchlist = .; + *(.data.patch.vtop) + __end_gate_vtop_patchlist = .; + + __start_gate_fsyscall_patchlist = .; + *(.data.patch.fsyscall_table) + __end_gate_fsyscall_patchlist = .; + + __start_gate_brl_fsys_bubble_down_patchlist = .; + *(.data.patch.brl_fsys_bubble_down) + __end_gate_brl_fsys_bubble_down_patchlist = .; + } :readable + + .IA_64.unwind_info : { *(.IA_64.unwind_info*) } + .IA_64.unwind : { *(.IA_64.unwind*) } :readable :unwind #ifdef HAVE_BUGGY_SEGREL - .text (GATE_ADDR + PAGE_SIZE) : { *(.text) *(.text.*) } :readable + .text (GATE_ADDR + PAGE_SIZE) : { *(.text) *(.text.*) } :readable #else - . = ALIGN (PERCPU_PAGE_SIZE) + (. & (PERCPU_PAGE_SIZE - 1)); - .text : { *(.text) *(.text.*) } :epc + . = ALIGN(PERCPU_PAGE_SIZE) + (. & (PERCPU_PAGE_SIZE - 1)); + .text : { *(.text) *(.text.*) } :epc #endif - /DISCARD/ : { - *(.got.plt) *(.got) - *(.data .data.* .gnu.linkonce.d.*) - *(.dynbss) - *(.bss .bss.* .gnu.linkonce.b.*) - *(__ex_table) - *(__mca_table) - } + /DISCARD/ : { + *(.got.plt) *(.got) + *(.data .data.* .gnu.linkonce.d.*) + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(__ex_table) + *(__mca_table) + } } /* + * ld does not recognize this name token; use the constant. + */ +#define PT_IA_64_UNWIND 0x70000001 + +/* * We must supply the ELF program headers explicitly to get just one * PT_LOAD segment, and set the flags explicitly to make segments read-only. */ PHDRS { - readable PT_LOAD FILEHDR PHDRS FLAGS(4); /* PF_R */ + readable PT_LOAD FILEHDR PHDRS FLAGS(4); /* PF_R */ #ifndef HAVE_BUGGY_SEGREL - epc PT_LOAD FILEHDR PHDRS FLAGS(1); /* PF_X */ + epc PT_LOAD FILEHDR PHDRS FLAGS(1); /* PF_X */ #endif - dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ - unwind 0x70000001; /* PT_IA_64_UNWIND, but ld doesn't match the name */ + dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ + note PT_NOTE FLAGS(4); /* PF_R */ + unwind PT_IA_64_UNWIND; } /* @@ -82,14 +94,14 @@ PHDRS */ VERSION { - LINUX_2.5 { - global: - __kernel_syscall_via_break; - __kernel_syscall_via_epc; - __kernel_sigtramp; - - local: *; - }; + LINUX_2.5 { + global: + __kernel_syscall_via_break; + __kernel_syscall_via_epc; + __kernel_sigtramp; + + local: *; + }; } /* The ELF entry point can be used to set the AT_SYSINFO value. */ |