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Diffstat (limited to 'arch/sparc/kernel/asm-offsets.c')
| -rw-r--r-- | arch/sparc/kernel/asm-offsets.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c new file mode 100644 index 000000000..5784f2df4 --- /dev/null +++ b/arch/sparc/kernel/asm-offsets.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This program is used to generate definitions needed by + * assembly language modules. + * + * We use the technique used in the OSF Mach kernel code: + * generate asm statements containing #defines, + * compile this file to assembler, and then extract the + * #defines from the assembly-language output. + * + * On sparc, thread_info data is static and TI_XXX offsets are computed by hand. + */ + +#include <linux/sched.h> +#include <linux/mm_types.h> +// #include <linux/mm.h> +#include <linux/kbuild.h> + +#include <asm/hibernate.h> + +#ifdef CONFIG_SPARC32 +int sparc32_foo(void) +{ + DEFINE(AOFF_thread_fork_kpsr, + offsetof(struct thread_struct, fork_kpsr)); + return 0; +} +#else +int sparc64_foo(void) +{ +#ifdef CONFIG_HIBERNATION + BLANK(); + OFFSET(SC_REG_FP, saved_context, fp); + OFFSET(SC_REG_CWP, saved_context, cwp); + OFFSET(SC_REG_WSTATE, saved_context, wstate); + + OFFSET(SC_REG_TICK, saved_context, tick); + OFFSET(SC_REG_PSTATE, saved_context, pstate); + + OFFSET(SC_REG_G4, saved_context, g4); + OFFSET(SC_REG_G5, saved_context, g5); + OFFSET(SC_REG_G6, saved_context, g6); +#endif + return 0; +} +#endif + +int foo(void) +{ + BLANK(); + DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread)); + BLANK(); + DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context)); + BLANK(); + DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); + + /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */ + return 0; +} + |