On Wed, 20 Nov 2002 14:43:43 -0800,
Patrick Mansfield <patmans@us.ibm.com> wrote:
>Is there a way to get char * initialized data to go into the init
>data section?
>
>For example, in the following I want init_foobar and its associated
>text strings to go into the init data section, not just the pointers
>in init_foobar:
>From the kdb common patch, kdb/Makefile.
gen-kdb_cmds.c: kdb_cmds Makefile
$(AWK) 'BEGIN {print "#include <linux/init.h>"} \
/^ *#/{next} \
/^[ \t]*$$/{next} \
{gsub(/"/, "\\\"", $$0); \
print "static __initdata char kdb_cmd" cmds++ "[] = \"" $$0 "\\n\";"} \
END {print "char __initdata *kdb_cmds[] = {"; for (i = 0; i < cmds; ++i) {print " kdb_cmd" i ","}; print(" 0\n};");}' \
kdb_cmds > gen-kdb_cmds.c
Converts kdb_cmds
set LINES 2000
set BTSP 1
bp sys_open
into gen-kdb_cmds.c
#include <linux/init.h>
static __initdata char kdb_cmd0[] = "set LINES 2000\n";
static __initdata char kdb_cmd1[] = "set BTSP 1\n";
static __initdata char kdb_cmd2[] = "bp sys_open\n";
char __initdata *kdb_cmds[] = {
kdb_cmd0,
kdb_cmd1,
kdb_cmd2,
0
};
# objdump -h kdb/gen-kdb_cmds.o
kdb/gen-kdb_cmds.o: file format elf64-ia64-little
Sections:
Idx Name Size VMA LMA File off Algn
0 .text 00000000 0000000000000000 0000000000000000 00000040 2**4
CONTENTS, ALLOC, LOAD, READONLY, CODE
1 .data 00000000 0000000000000000 0000000000000000 00000040 2**0
CONTENTS, ALLOC, LOAD, DATA
2 .bss 00000000 0000000000000000 0000000000000000 00000040 2**0
ALLOC
3 .debug_abbrev 000000a8 0000000000000000 0000000000000000 00000040 2**0
CONTENTS, READONLY, DEBUGGING
4 .debug_info 000001c7 0000000000000000 0000000000000000 000000e8 2**0
CONTENTS, RELOC, READONLY, DEBUGGING
5 .debug_line 00000000 0000000000000000 0000000000000000 000002af 2**0
CONTENTS, READONLY, DEBUGGING
6 .data.init 00000050 0000000000000000 0000000000000000 000002b0 2**3
CONTENTS, ALLOC, LOAD, RELOC, DATA
7 .debug_pubnames 0000001f 0000000000000000 0000000000000000 00000300 2**0
CONTENTS, RELOC, READONLY, DEBUGGING
8 .comment 00000029 0000000000000000 0000000000000000 0000031f 2**0
CONTENTS, READONLY
text, data and bss are all 0 size. Everything is in .data.init.
-
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This archive was generated by hypermail 2b29 : Sat Nov 23 2002 - 22:00:35 EST