Skip to content

L
linux
Commit d446b7c4 authored by Jeff Dike's avatar Jeff Dike
Browse files
Options

Some build changes for 2.5.59 and SMP. Also cleanup of the linker 

scripts and Kconfig.
parent 1dcf46c3
Show whitespace changes
Inline Side-by-side
Showing with 78 additions and 320 deletions
arch/um/Kconfig
View file @ d446b7c4
......@@ -30,19 +30,7 @@ config RWSEM_GENERIC_SPINLOCK
bool
default y
config LOG_BUF_SHIFT
int
default 14
menu "Code maturity level options"
config EXPERIMENTAL
bool "Prompt for development and/or incomplete code/drivers"
endmenu
menu "General Setup"
menu "UML-specific options"
config MODE_TT
bool "Tracing thread support"
......@@ -78,15 +66,6 @@ config MODE_SKAS
config NET
bool "Networking support"
config SYSVIPC
bool "System V IPC"
config BSD_PROCESS_ACCT
bool "BSD Process Accounting"
config SYSCTL
bool "Sysctl support"
config BINFMT_AOUT
tristate "Kernel support for a.out binaries"
......@@ -193,19 +172,7 @@ config HIGHMEM
endmenu
menu "Loadable module support"
config MODULES
bool "Enable loadable module support"
# MODVERSIONS does not yet work in this architecture
# bool ' Set version information on all module symbols' CONFIG_MODVERSIONS
config KMOD
bool "Kernel module loader"
depends on MODULES
endmenu
source "init/Kconfig"
source "arch/um/Kconfig_char"
......
arch/um/Makefile
View file @ d446b7c4
......@@ -100,10 +100,12 @@ CPP_MODE_TT := $(shell [ "$(CONFIG_MODE_TT)" = "y" ] && echo -DMODE_TT)
CONFIG_KERNEL_STACK_ORDER ?= 2
STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
AFLAGS_$(LD_SCRIPT-y:.s=).o = -U$(SUBARCH) \
AFLAGS_vmlinux.lds.o = -U$(SUBARCH) \
-DSTART=$$(($(TOP_ADDR) - $(SIZE))) -DELF_ARCH=$(ELF_ARCH) \
-DELF_FORMAT=\"$(ELF_FORMAT)\" $(CPP_MODE_TT) \
-DKERNEL_STACK_SIZE=$(STACK_SIZE) -P -C -Uum
-DKERNEL_STACK_SIZE=$(STACK_SIZE)
AFLAGS_$(LD_SCRIPT-y:.s=).o = $(AFLAGS_vmlinux.lds.o) -P -C -Uum
LD_SCRIPT-y := $(ARCH_DIR)/$(LD_SCRIPT-y)
......
arch/um/dyn_link.ld.in deleted 100644 → 0
View file @ 1dcf46c3
OUTPUT_FORMAT("ELF_FORMAT")
OUTPUT_ARCH(ELF_ARCH)
ENTRY(_start)
SEARCH_DIR("/usr/local/i686-pc-linux-gnu/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
. = START() + SIZEOF_HEADERS;
.interp : { *(.interp) }
. = ALIGN(4096);
__binary_start = .;
. = ALIGN(4096); /* Init code and data */
_stext = .;
__init_begin = .;
.text.init : { *(.text.init) }
. = ALIGN(4096);
/* Read-only sections, merged into text segment: */
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
.rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
.rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
.rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
.rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
.rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
.rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
.rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
.rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
.rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : {
KEEP (*(.init))
} =0x90909090
.plt : { *(.plt) }
.text : {
*(.text .stub .text.* .gnu.linkonce.t.*)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
} =0x90909090
.fini : {
KEEP (*(.fini))
} =0x90909090
.kstrtab : { *(.kstrtab) }
. = ALIGN(16); /* Exception table */
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
__start___ksymtab = .; /* Kernel symbol table */
__ksymtab : { *(__ksymtab) }
__stop___ksymtab = .;
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
. = ALIGN(4096);
PROVIDE (_sdata = .);
.unprotected : { *(.unprotected) }
. = ALIGN(4096);
PROVIDE (_unprotected_end = .);
. = ALIGN(4096);
__uml_setup_start = .;
.uml.setup.init : { *(.uml.setup.init) }
__uml_setup_end = .;
__uml_help_start = .;
.uml.help.init : { *(.uml.help.init) }
__uml_help_end = .;
__uml_postsetup_start = .;
.uml.postsetup.init : { *(.uml.postsetup.init) }
__uml_postsetup_end = .;
__setup_start = .;
.setup.init : { *(.setup.init) }
__setup_end = .;
__initcall_start = .;
.initcall.init : { *(.initcall.init) }
__initcall_end = .;
__uml_initcall_start = .;
.uml.initcall.init : { *(.uml.initcall.init) }
__uml_initcall_end = .;
__init_end = .;
__exitcall_begin = .;
.exitcall : { *(.exitcall.exit) }
__exitcall_end = .;
__uml_exitcall_begin = .;
.uml.exitcall : { *(.uml.exitcall.exit) }
__uml_exitcall_end = .;
.data.init : { *(.data.init) }
/* Ensure the __preinit_array_start label is properly aligned. We
could instead move the label definition inside the section, but
the linker would then create the section even if it turns out to
be empty, which isn't pretty. */
. = ALIGN(32 / 8);
.preinit_array : { *(.preinit_array) }
.init_array : { *(.init_array) }
.fini_array : { *(.fini_array) }
.data : {
. = ALIGN(KERNEL_STACK_SIZE); /* init_task */
*(.data.init_task)
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
}
.data1 : { *(.data1) }
.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
.eh_frame : { KEEP (*(.eh_frame)) }
.gcc_except_table : { *(.gcc_except_table) }
.dynamic : { *(.dynamic) }
.ctors : {
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
}
.dtors : {
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
}
.jcr : { KEEP (*(.jcr)) }
.got : { *(.got.plt) *(.got) }
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
.bss : {
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections. */
. = ALIGN(32 / 8);
. = ALIGN(32 / 8);
}
_end = .;
PROVIDE (end = .);
/* Stabs debugging sections. */
.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) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* 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) }
}
arch/um/uml.lds.S
View file @ d446b7c4
......@@ -36,75 +36,7 @@ SECTIONS
*(.gnu.linkonce.t*)
}
. = ALIGN(16); /* Exception table */
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
RODATA
.fini : { *(.fini) } =0x9090
_etext = .;
PROVIDE (etext = .);
. = ALIGN(4096);
PROVIDE (_sdata = .);
.unprotected : { *(.unprotected) }
. = ALIGN(4096);
PROVIDE (_unprotected_end = .);
. = ALIGN(4096);
__uml_setup_start = .;
.uml.setup.init : { *(.uml.setup.init) }
__uml_setup_end = .;
__uml_help_start = .;
.uml.help.init : { *(.uml.help.init) }
__uml_help_end = .;
__uml_postsetup_start = .;
.uml.postsetup.init : { *(.uml.postsetup.init) }
__uml_postsetup_end = .;
__setup_start = .;
.init.setup : { *(.init.setup) }
__setup_end = .;
__start___param = .;
__param : { *(__param) }
__stop___param = .;
__per_cpu_start = . ;
.data.percpu : { *(.data.percpu) }
__per_cpu_end = . ;
__initcall_start = .;
.initcall.init : {
*(.initcall1.init)
*(.initcall2.init)
*(.initcall3.init)
*(.initcall4.init)
*(.initcall5.init)
*(.initcall6.init)
*(.initcall7.init)
}
__initcall_end = .;
__uml_initcall_start = .;
.uml.initcall.init : { *(.uml.initcall.init) }
__uml_initcall_end = .;
__init_end = .;
__exitcall_begin = .;
.exitcall : { *(.exitcall.exit) }
__exitcall_end = .;
__uml_exitcall_begin = .;
.uml.exitcall : { *(.uml.exitcall.exit) }
__uml_exitcall_end = .;
. = ALIGN(4096);
__initramfs_start = .;
.init.ramfs : { *(.init.ramfs) }
__initramfs_end = .;
#include "asm/common.lds.S"
.data.init : { *(.data.init) }
.data :
......
include/asm-um/common.lds.S 0 → 100644
View file @ d446b7c4
. = ALIGN(16); /* Exception table */
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
RODATA
.fini : { *(.fini) } =0x9090
_etext = .;
PROVIDE (etext = .);
. = ALIGN(4096);
_sdata = .;
PROVIDE (sdata = .);
.unprotected : { *(.unprotected) }
. = ALIGN(4096);
PROVIDE (_unprotected_end = .);
. = ALIGN(4096);
__uml_setup_start = .;
.uml.setup.init : { *(.uml.setup.init) }
__uml_setup_end = .;
__uml_help_start = .;
.uml.help.init : { *(.uml.help.init) }
__uml_help_end = .;
__uml_postsetup_start = .;
.uml.postsetup.init : { *(.uml.postsetup.init) }
__uml_postsetup_end = .;
__setup_start = .;
.init.setup : { *(.init.setup) }
__setup_end = .;
__start___param = .;
__param : { *(__param) }
__stop___param = .;
. = ALIGN(32);
__per_cpu_start = . ;
.data.percpu : { *(.data.percpu) }
__per_cpu_end = . ;
__initcall_start = .;
.initcall.init : {
*(.initcall1.init)
*(.initcall2.init)
*(.initcall3.init)
*(.initcall4.init)
*(.initcall5.init)
*(.initcall6.init)
*(.initcall7.init)
}
__initcall_end = .;
__uml_initcall_start = .;
.uml.initcall.init : { *(.uml.initcall.init) }
__uml_initcall_end = .;
__init_end = .;
__exitcall_begin = .;
.exitcall : { *(.exitcall.exit) }
__exitcall_end = .;
__uml_exitcall_begin = .;
.uml.exitcall : { *(.uml.exitcall.exit) }
__uml_exitcall_end = .;
. = ALIGN(4096);
__initramfs_start = .;
.init.ramfs : { *(.init.ramfs) }
__initramfs_end = .;
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7