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

scripts and Kconfig.

arch/um/Kconfig

@@ -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

@@ -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

-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

@@ -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

+  . = 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 = .;