After I wrote a simple kernel module, upon modload, I got the following errors
(from dmesg output):
Aug 19 15:46:44 sunnyman genunix: [ID 286029 kern.notice] relocation error:
R_AMD64_32:
Aug 19 15:46:44 sunnyman genunix: [ID 720415 kern.notice] file
/export/home/root/solaris/kmod/mod:
Aug 19 15:46:44 sunnyman genunix: [ID 370954 kern.notice] symbol :
Aug 19 15:46:44 sunnyman genunix: [ID 780480 kern.notice] value
0xfffffffff7960fb8 does not fit
Aug 19 15:46:44 sunnyman genunix: [ID 286029 kern.notice] relocation error:
R_AMD64_32:
Aug 19 15:46:44 sunnyman genunix: [ID 720415 kern.notice] file
/export/home/root/solaris/kmod/mod:
Aug 19 15:46:44 sunnyman genunix: [ID 370954 kern.notice] symbol
.XAAjaAZI36iKE2L.modlinkage:
Aug 19 15:46:44 sunnyman genunix: [ID 780480 kern.notice] value
0xffffffffc043e8f8 does not fit
Aug 19 15:46:44 sunnyman genunix: [ID 286029 kern.notice] relocation error:
R_AMD64_32:
Aug 19 15:46:44 sunnyman genunix: [ID 720415 kern.notice] file
/export/home/root/solaris/kmod/mod:
Aug 19 15:46:44 sunnyman genunix: [ID 370954 kern.notice] symbol
.XAAjaAZI36iKE2L.modlinkage:
Aug 19 15:46:44 sunnyman genunix: [ID 780480 kern.notice] value
0xffffffffc043e8f8 does not fit
Aug 19 15:46:44 sunnyman genunix: [ID 286029 kern.notice] relocation error:
R_AMD64_32:
Aug 19 15:46:44 sunnyman genunix: [ID 720415 kern.notice] file
/export/home/root/solaris/kmod/mod:
Aug 19 15:46:44 sunnyman genunix: [ID 370954 kern.notice] symbol
.XAAjaAZI36iKE2L.modlinkage:
Aug 19 15:46:44 sunnyman genunix: [ID 780480 kern.notice] value
0xffffffffc043e8f8 does not fit
Aug 19 15:46:44 sunnyman genunix: [ID 399259 kern.notice] do_relocations:
/export/home/root/solaris/kmod/mod do_relocate failed
Aug 19 15:46:44 sunnyman genunix: [ID 603676 kern.notice] mod error doing
relocations
Can anyone tell me why?
My source are as follows:
extern struct mod_ops mod_miscops;
static struct modlmisc modlmisc =
{
&mod_miscops,
"it's me"
};
static struct modlinkage modlinkage =
{
MODREV_1,
{&modlmisc,NULL}
};
int _init(void)
{
int i;
i = mod_install(&modlinkage);
cmn_err(CE_NOTE,"this is message.....\n");
return i;
}
int _info(struct modinfo *modinfop)
{
return (mod_info (&modlinkage, modinfop));
}
int _fini(void)
{
int i;
i = mod_remove(&modlinkage);
return i;
}
And during compilation I encountered the warnings:
cc -g -m64 -D_KERNEL_ -c mod.c
"mod.c", line 25: warning: implicit function declaration: mod_install
"mod.c", line 26: warning: implicit function declaration: cmn_err
"mod.c", line 31: warning: implicit function declaration: mod_info
"mod.c", line 36: warning: implicit function declaration: mod_remove
ld -o mod -r mod.o
Any clue? Thanks.
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