1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * This program is used to generate definitions needed by 4 * assembly language modules. 5 * 6 * We use the technique used in the OSF Mach kernel code: 7 * generate asm statements containing #defines, 8 * compile this file to assembler, and then extract the 9 * #defines from the assembly-language output. 10 * 11 * On sparc, thread_info data is static and TI_XXX offsets are computed by hand. 12 */ 13 #define COMPILE_OFFSETS 14 15 #include <linux/sched.h> 16 #include <linux/mm_types.h> 17 // #include <linux/mm.h> 18 #include <linux/kbuild.h> 19 20 #include <asm/hibernate.h> 21 22 #ifdef CONFIG_SPARC32 23 static int __used sparc32_foo(void) 24 { 25 DEFINE(AOFF_thread_fork_kpsr, 26 offsetof(struct thread_struct, fork_kpsr)); 27 return 0; 28 } 29 #else 30 static int __used sparc64_foo(void) 31 { 32 #ifdef CONFIG_HIBERNATION 33 BLANK(); 34 OFFSET(SC_REG_FP, saved_context, fp); 35 OFFSET(SC_REG_CWP, saved_context, cwp); 36 OFFSET(SC_REG_WSTATE, saved_context, wstate); 37 38 OFFSET(SC_REG_TICK, saved_context, tick); 39 OFFSET(SC_REG_PSTATE, saved_context, pstate); 40 41 OFFSET(SC_REG_G4, saved_context, g4); 42 OFFSET(SC_REG_G5, saved_context, g5); 43 OFFSET(SC_REG_G6, saved_context, g6); 44 #endif 45 return 0; 46 } 47 #endif 48 49 static int __used foo(void) 50 { 51 BLANK(); 52 DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread)); 53 BLANK(); 54 DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context)); 55 BLANK(); 56 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 57 58 /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */ 59 return 0; 60 } 61 62