aboutsummaryrefslogtreecommitdiffstats
path: root/arch/ia64/kernel/gate.lds.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/kernel/gate.lds.S')
-rw-r--r--arch/ia64/kernel/gate.lds.S135
1 files changed, 72 insertions, 63 deletions
diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S
index 6d198339bf85..44817d97ab43 100644
--- a/arch/ia64/kernel/gate.lds.S
+++ b/arch/ia64/kernel/gate.lds.S
@@ -1,7 +1,8 @@
1/* 1/*
2 * Linker script for gate DSO. The gate pages are an ELF shared object prelinked to its 2 * Linker script for gate DSO. The gate pages are an ELF shared object
3 * virtual address, with only one read-only segment and one execute-only segment (both fit 3 * prelinked to its virtual address, with only one read-only segment and
4 * in one page). This script controls its layout. 4 * one execute-only segment (both fit in one page). This script controls
5 * its layout.
5 */ 6 */
6 7
7 8
@@ -9,72 +10,80 @@
9 10
10SECTIONS 11SECTIONS
11{ 12{
12 . = GATE_ADDR + SIZEOF_HEADERS; 13 . = GATE_ADDR + SIZEOF_HEADERS;
13 14
14 .hash : { *(.hash) } :readable 15 .hash : { *(.hash) } :readable
15 .gnu.hash : { *(.gnu.hash) } 16 .gnu.hash : { *(.gnu.hash) }
16 .dynsym : { *(.dynsym) } 17 .dynsym : { *(.dynsym) }
17 .dynstr : { *(.dynstr) } 18 .dynstr : { *(.dynstr) }
18 .gnu.version : { *(.gnu.version) } 19 .gnu.version : { *(.gnu.version) }
19 .gnu.version_d : { *(.gnu.version_d) } 20 .gnu.version_d : { *(.gnu.version_d) }
20 .gnu.version_r : { *(.gnu.version_r) } 21 .gnu.version_r : { *(.gnu.version_r) }
21 .dynamic : { *(.dynamic) } :readable :dynamic 22
22 23 .dynamic : { *(.dynamic) } :readable :dynamic
23 /* 24
24 * This linker script is used both with -r and with -shared. For the layouts to match, 25 /*
25 * we need to skip more than enough space for the dynamic symbol table et al. If this 26 * This linker script is used both with -r and with -shared. For
26 * amount is insufficient, ld -shared will barf. Just increase it here. 27 * the layouts to match, we need to skip more than enough space for
27 */ 28 * the dynamic symbol table et al. If this amount is insufficient,
28 . = GATE_ADDR + 0x500; 29 * ld -shared will barf. Just increase it here.
29 30 */
30 .data.patch : { 31 . = GATE_ADDR + 0x500;
31 __start_gate_mckinley_e9_patchlist = .; 32
32 *(.data.patch.mckinley_e9) 33 .data.patch : {
33 __end_gate_mckinley_e9_patchlist = .; 34 __start_gate_mckinley_e9_patchlist = .;
34 35 *(.data.patch.mckinley_e9)
35 __start_gate_vtop_patchlist = .; 36 __end_gate_mckinley_e9_patchlist = .;
36 *(.data.patch.vtop) 37
37 __end_gate_vtop_patchlist = .; 38 __start_gate_vtop_patchlist = .;
38 39 *(.data.patch.vtop)
39 __start_gate_fsyscall_patchlist = .; 40 __end_gate_vtop_patchlist = .;
40 *(.data.patch.fsyscall_table) 41
41 __end_gate_fsyscall_patchlist = .; 42 __start_gate_fsyscall_patchlist = .;
42 43 *(.data.patch.fsyscall_table)
43 __start_gate_brl_fsys_bubble_down_patchlist = .; 44 __end_gate_fsyscall_patchlist = .;
44 *(.data.patch.brl_fsys_bubble_down) 45
45 __end_gate_brl_fsys_bubble_down_patchlist = .; 46 __start_gate_brl_fsys_bubble_down_patchlist = .;
46 } :readable 47 *(.data.patch.brl_fsys_bubble_down)
47 .IA_64.unwind_info : { *(.IA_64.unwind_info*) } 48 __end_gate_brl_fsys_bubble_down_patchlist = .;
48 .IA_64.unwind : { *(.IA_64.unwind*) } :readable :unwind 49 } :readable
50
51 .IA_64.unwind_info : { *(.IA_64.unwind_info*) }
52 .IA_64.unwind : { *(.IA_64.unwind*) } :readable :unwind
49#ifdef HAVE_BUGGY_SEGREL 53#ifdef HAVE_BUGGY_SEGREL
50 .text (GATE_ADDR + PAGE_SIZE) : { *(.text) *(.text.*) } :readable 54 .text (GATE_ADDR + PAGE_SIZE) : { *(.text) *(.text.*) } :readable
51#else 55#else
52 . = ALIGN (PERCPU_PAGE_SIZE) + (. & (PERCPU_PAGE_SIZE - 1)); 56 . = ALIGN(PERCPU_PAGE_SIZE) + (. & (PERCPU_PAGE_SIZE - 1));
53 .text : { *(.text) *(.text.*) } :epc 57 .text : { *(.text) *(.text.*) } :epc
54#endif 58#endif
55 59
56 /DISCARD/ : { 60 /DISCARD/ : {
57 *(.got.plt) *(.got) 61 *(.got.plt) *(.got)
58 *(.data .data.* .gnu.linkonce.d.*) 62 *(.data .data.* .gnu.linkonce.d.*)
59 *(.dynbss) 63 *(.dynbss)
60 *(.bss .bss.* .gnu.linkonce.b.*) 64 *(.bss .bss.* .gnu.linkonce.b.*)
61 *(__ex_table) 65 *(__ex_table)
62 *(__mca_table) 66 *(__mca_table)
63 } 67 }
64} 68}
65 69
66/* 70/*
71 * ld does not recognize this name token; use the constant.
72 */
73#define PT_IA_64_UNWIND 0x70000001
74
75/*
67 * We must supply the ELF program headers explicitly to get just one 76 * We must supply the ELF program headers explicitly to get just one
68 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 77 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
69 */ 78 */
70PHDRS 79PHDRS
71{ 80{
72 readable PT_LOAD FILEHDR PHDRS FLAGS(4); /* PF_R */ 81 readable PT_LOAD FILEHDR PHDRS FLAGS(4); /* PF_R */
73#ifndef HAVE_BUGGY_SEGREL 82#ifndef HAVE_BUGGY_SEGREL
74 epc PT_LOAD FILEHDR PHDRS FLAGS(1); /* PF_X */ 83 epc PT_LOAD FILEHDR PHDRS FLAGS(1); /* PF_X */
75#endif 84#endif
76 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 85 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
77 unwind 0x70000001; /* PT_IA_64_UNWIND, but ld doesn't match the name */ 86 unwind PT_IA_64_UNWIND;
78} 87}
79 88
80/* 89/*
@@ -82,14 +91,14 @@ PHDRS
82 */ 91 */
83VERSION 92VERSION
84{ 93{
85 LINUX_2.5 { 94 LINUX_2.5 {
86 global: 95 global:
87 __kernel_syscall_via_break; 96 __kernel_syscall_via_break;
88 __kernel_syscall_via_epc; 97 __kernel_syscall_via_epc;
89 __kernel_sigtramp; 98 __kernel_sigtramp;
90 99
91 local: *; 100 local: *;
92 }; 101 };
93} 102}
94 103
95/* The ELF entry point can be used to set the AT_SYSINFO value. */ 104/* The ELF entry point can be used to set the AT_SYSINFO value. */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-17 13:36:43 -0500