diff options
Diffstat (limited to 'arch/um/sys-i386/util')
-rw-r--r-- | arch/um/sys-i386/util/Makefile | 8 | ||||
-rw-r--r-- | arch/um/sys-i386/util/mk_sc.c | 52 | ||||
-rw-r--r-- | arch/um/sys-i386/util/mk_thread_kern.c | 22 | ||||
-rw-r--r-- | arch/um/sys-i386/util/mk_thread_user.c | 30 |
4 files changed, 112 insertions, 0 deletions
diff --git a/arch/um/sys-i386/util/Makefile b/arch/um/sys-i386/util/Makefile new file mode 100644 index 0000000..34860f9 --- /dev/null +++ b/arch/um/sys-i386/util/Makefile @@ -0,0 +1,8 @@ + +hostprogs-y := mk_sc mk_thread +always := $(hostprogs-y) + +mk_thread-objs := mk_thread_kern.o mk_thread_user.o + +HOSTCFLAGS_mk_thread_kern.o := $(CFLAGS) $(CPPFLAGS) +HOSTCFLAGS_mk_thread_user.o := $(USER_CFLAGS) diff --git a/arch/um/sys-i386/util/mk_sc.c b/arch/um/sys-i386/util/mk_sc.c new file mode 100644 index 0000000..85cbd30 --- /dev/null +++ b/arch/um/sys-i386/util/mk_sc.c @@ -0,0 +1,52 @@ +#include <stdio.h> +#include <signal.h> +#include <linux/stddef.h> + +#define SC_OFFSET(name, field) \ + printf("#define " name "(sc) *((unsigned long *) &(((char *) (sc))[%d]))\n",\ + offsetof(struct sigcontext, field)) + +#define SC_FP_OFFSET(name, field) \ + printf("#define " name \ + "(sc) *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\ + offsetof(struct _fpstate, field)) + +#define SC_FP_OFFSET_PTR(name, field, type) \ + printf("#define " name \ + "(sc) ((" type " *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\ + offsetof(struct _fpstate, field)) + +int main(int argc, char **argv) +{ + SC_OFFSET("SC_IP", eip); + SC_OFFSET("SC_SP", esp); + SC_OFFSET("SC_FS", fs); + SC_OFFSET("SC_GS", gs); + SC_OFFSET("SC_DS", ds); + SC_OFFSET("SC_ES", es); + SC_OFFSET("SC_SS", ss); + SC_OFFSET("SC_CS", cs); + SC_OFFSET("SC_EFLAGS", eflags); + SC_OFFSET("SC_EAX", eax); + SC_OFFSET("SC_EBX", ebx); + SC_OFFSET("SC_ECX", ecx); + SC_OFFSET("SC_EDX", edx); + SC_OFFSET("SC_EDI", edi); + SC_OFFSET("SC_ESI", esi); + SC_OFFSET("SC_EBP", ebp); + SC_OFFSET("SC_TRAPNO", trapno); + SC_OFFSET("SC_ERR", err); + SC_OFFSET("SC_CR2", cr2); + SC_OFFSET("SC_FPSTATE", fpstate); + SC_OFFSET("SC_SIGMASK", oldmask); + SC_FP_OFFSET("SC_FP_CW", cw); + SC_FP_OFFSET("SC_FP_SW", sw); + SC_FP_OFFSET("SC_FP_TAG", tag); + SC_FP_OFFSET("SC_FP_IPOFF", ipoff); + SC_FP_OFFSET("SC_FP_CSSEL", cssel); + SC_FP_OFFSET("SC_FP_DATAOFF", dataoff); + SC_FP_OFFSET("SC_FP_DATASEL", datasel); + SC_FP_OFFSET_PTR("SC_FP_ST", _st, "struct _fpstate"); + SC_FP_OFFSET_PTR("SC_FXSR_ENV", _fxsr_env, "void"); + return(0); +} diff --git a/arch/um/sys-i386/util/mk_thread_kern.c b/arch/um/sys-i386/util/mk_thread_kern.c new file mode 100644 index 0000000..948b1ce --- /dev/null +++ b/arch/um/sys-i386/util/mk_thread_kern.c @@ -0,0 +1,22 @@ +#include "linux/config.h" +#include "linux/stddef.h" +#include "linux/sched.h" + +extern void print_head(void); +extern void print_constant_ptr(char *name, int value); +extern void print_constant(char *name, char *type, int value); +extern void print_tail(void); + +#define THREAD_OFFSET(field) offsetof(struct task_struct, thread.field) + +int main(int argc, char **argv) +{ + print_head(); + print_constant_ptr("TASK_DEBUGREGS", THREAD_OFFSET(arch.debugregs)); +#ifdef CONFIG_MODE_TT + print_constant("TASK_EXTERN_PID", "int", THREAD_OFFSET(mode.tt.extern_pid)); +#endif + print_tail(); + return(0); +} + diff --git a/arch/um/sys-i386/util/mk_thread_user.c b/arch/um/sys-i386/util/mk_thread_user.c new file mode 100644 index 0000000..2620cd6 --- /dev/null +++ b/arch/um/sys-i386/util/mk_thread_user.c @@ -0,0 +1,30 @@ +#include <stdio.h> + +void print_head(void) +{ + printf("/*\n"); + printf(" * Generated by mk_thread\n"); + printf(" */\n"); + printf("\n"); + printf("#ifndef __UM_THREAD_H\n"); + printf("#define __UM_THREAD_H\n"); + printf("\n"); +} + +void print_constant_ptr(char *name, int value) +{ + printf("#define %s(task) ((unsigned long *) " + "&(((char *) (task))[%d]))\n", name, value); +} + +void print_constant(char *name, char *type, int value) +{ + printf("#define %s(task) *((%s *) &(((char *) (task))[%d]))\n", name, type, + value); +} + +void print_tail(void) +{ + printf("\n"); + printf("#endif\n"); +} |