d1526e2cda
It has caused more problems than it ever really solved, and is apparently not getting cleaned up and fixed. We can put it back when it's stable and isn't likely to make warning or bug events worse. In the meantime, enable frame pointers for more readable stack traces. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
228 lines
7.7 KiB
C
228 lines
7.7 KiB
C
#ifndef LOAD_OFFSET
|
|
#define LOAD_OFFSET 0
|
|
#endif
|
|
|
|
#ifndef VMLINUX_SYMBOL
|
|
#define VMLINUX_SYMBOL(_sym_) _sym_
|
|
#endif
|
|
|
|
/* Align . to a 8 byte boundary equals to maximum function alignment. */
|
|
#define ALIGN_FUNCTION() . = ALIGN(8)
|
|
|
|
#define RODATA \
|
|
. = ALIGN(4096); \
|
|
.rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start_rodata) = .; \
|
|
*(.rodata) *(.rodata.*) \
|
|
*(__vermagic) /* Kernel version magic */ \
|
|
} \
|
|
\
|
|
.rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \
|
|
*(.rodata1) \
|
|
} \
|
|
\
|
|
/* PCI quirks */ \
|
|
.pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
|
|
*(.pci_fixup_early) \
|
|
VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
|
|
VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
|
|
*(.pci_fixup_header) \
|
|
VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
|
|
VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
|
|
*(.pci_fixup_final) \
|
|
VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
|
|
VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
|
|
*(.pci_fixup_enable) \
|
|
VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
|
|
} \
|
|
\
|
|
/* RapidIO route ops */ \
|
|
.rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start_rio_route_ops) = .; \
|
|
*(.rio_route_ops) \
|
|
VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: Normal symbols */ \
|
|
__ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab) = .; \
|
|
*(__ksymtab) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-only symbols */ \
|
|
__ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
|
|
*(__ksymtab_gpl) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: Normal unused symbols */ \
|
|
__ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
|
|
*(__ksymtab_unused) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-only unused symbols */ \
|
|
__ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
|
|
*(__ksymtab_unused_gpl) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-future-only symbols */ \
|
|
__ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
|
|
*(__ksymtab_gpl_future) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: Normal symbols */ \
|
|
__kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___kcrctab) = .; \
|
|
*(__kcrctab) \
|
|
VMLINUX_SYMBOL(__stop___kcrctab) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-only symbols */ \
|
|
__kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
|
|
*(__kcrctab_gpl) \
|
|
VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: Normal unused symbols */ \
|
|
__kcrctab_unused : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___kcrctab_unused) = .; \
|
|
*(__kcrctab_unused) \
|
|
VMLINUX_SYMBOL(__stop___kcrctab_unused) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-only unused symbols */ \
|
|
__kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
|
|
*(__kcrctab_unused_gpl) \
|
|
VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-future-only symbols */ \
|
|
__kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
|
|
*(__kcrctab_gpl_future) \
|
|
VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: strings */ \
|
|
__ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
|
|
*(__ksymtab_strings) \
|
|
} \
|
|
\
|
|
/* Built-in module parameters. */ \
|
|
__param : AT(ADDR(__param) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___param) = .; \
|
|
*(__param) \
|
|
VMLINUX_SYMBOL(__stop___param) = .; \
|
|
VMLINUX_SYMBOL(__end_rodata) = .; \
|
|
} \
|
|
\
|
|
. = ALIGN(4096);
|
|
|
|
#define SECURITY_INIT \
|
|
.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__security_initcall_start) = .; \
|
|
*(.security_initcall.init) \
|
|
VMLINUX_SYMBOL(__security_initcall_end) = .; \
|
|
}
|
|
|
|
/* sched.text is aling to function alignment to secure we have same
|
|
* address even at second ld pass when generating System.map */
|
|
#define SCHED_TEXT \
|
|
ALIGN_FUNCTION(); \
|
|
VMLINUX_SYMBOL(__sched_text_start) = .; \
|
|
*(.sched.text) \
|
|
VMLINUX_SYMBOL(__sched_text_end) = .;
|
|
|
|
/* spinlock.text is aling to function alignment to secure we have same
|
|
* address even at second ld pass when generating System.map */
|
|
#define LOCK_TEXT \
|
|
ALIGN_FUNCTION(); \
|
|
VMLINUX_SYMBOL(__lock_text_start) = .; \
|
|
*(.spinlock.text) \
|
|
VMLINUX_SYMBOL(__lock_text_end) = .;
|
|
|
|
#define KPROBES_TEXT \
|
|
ALIGN_FUNCTION(); \
|
|
VMLINUX_SYMBOL(__kprobes_text_start) = .; \
|
|
*(.kprobes.text) \
|
|
VMLINUX_SYMBOL(__kprobes_text_end) = .;
|
|
|
|
/* DWARF debug sections.
|
|
Symbols in the DWARF debugging sections are relative to
|
|
the beginning of the section so we begin them at 0. */
|
|
#define DWARF_DEBUG \
|
|
/* DWARF 1 */ \
|
|
.debug 0 : { *(.debug) } \
|
|
.line 0 : { *(.line) } \
|
|
/* GNU DWARF 1 extensions */ \
|
|
.debug_srcinfo 0 : { *(.debug_srcinfo) } \
|
|
.debug_sfnames 0 : { *(.debug_sfnames) } \
|
|
/* DWARF 1.1 and DWARF 2 */ \
|
|
.debug_aranges 0 : { *(.debug_aranges) } \
|
|
.debug_pubnames 0 : { *(.debug_pubnames) } \
|
|
/* DWARF 2 */ \
|
|
.debug_info 0 : { *(.debug_info \
|
|
.gnu.linkonce.wi.*) } \
|
|
.debug_abbrev 0 : { *(.debug_abbrev) } \
|
|
.debug_line 0 : { *(.debug_line) } \
|
|
.debug_frame 0 : { *(.debug_frame) } \
|
|
.debug_str 0 : { *(.debug_str) } \
|
|
.debug_loc 0 : { *(.debug_loc) } \
|
|
.debug_macinfo 0 : { *(.debug_macinfo) } \
|
|
/* SGI/MIPS DWARF 2 extensions */ \
|
|
.debug_weaknames 0 : { *(.debug_weaknames) } \
|
|
.debug_funcnames 0 : { *(.debug_funcnames) } \
|
|
.debug_typenames 0 : { *(.debug_typenames) } \
|
|
.debug_varnames 0 : { *(.debug_varnames) } \
|
|
|
|
/* Stabs debugging sections. */
|
|
#define STABS_DEBUG \
|
|
.stab 0 : { *(.stab) } \
|
|
.stabstr 0 : { *(.stabstr) } \
|
|
.stab.excl 0 : { *(.stab.excl) } \
|
|
.stab.exclstr 0 : { *(.stab.exclstr) } \
|
|
.stab.index 0 : { *(.stab.index) } \
|
|
.stab.indexstr 0 : { *(.stab.indexstr) } \
|
|
.comment 0 : { *(.comment) }
|
|
|
|
#define BUG_TABLE \
|
|
. = ALIGN(8); \
|
|
__bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
|
|
__start___bug_table = .; \
|
|
*(__bug_table) \
|
|
__stop___bug_table = .; \
|
|
}
|
|
|
|
#define NOTES \
|
|
.notes : { *(.note.*) } :note
|
|
|
|
#define INITCALLS \
|
|
*(.initcall0.init) \
|
|
*(.initcall0s.init) \
|
|
*(.initcall1.init) \
|
|
*(.initcall1s.init) \
|
|
*(.initcall2.init) \
|
|
*(.initcall2s.init) \
|
|
*(.initcall3.init) \
|
|
*(.initcall3s.init) \
|
|
*(.initcall4.init) \
|
|
*(.initcall4s.init) \
|
|
*(.initcall5.init) \
|
|
*(.initcall5s.init) \
|
|
*(.initcallrootfs.init) \
|
|
*(.initcall6.init) \
|
|
*(.initcall6s.init) \
|
|
*(.initcall7.init) \
|
|
*(.initcall7s.init)
|
|
|