| process.c (3d5271f9883cba7b54762bc4fe027d4172f06db7) | process.c (347a8dc3b815f0c0fa62a1df075184ffe4cbdcf1) |
|---|---|
| 1/* 2 * arch/s390/kernel/process.c 3 * 4 * S390 version 5 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation 6 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), 7 * Hartmut Penner (hp@de.ibm.com), 8 * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), --- 221 unchanged lines hidden (view full) --- 230 frame->sf.gprs[8] = (unsigned long) ret_from_fork; 231 232 /* fake return stack for resume(), don't go back to schedule */ 233 frame->sf.gprs[9] = (unsigned long) frame; 234 235 /* Save access registers to new thread structure. */ 236 save_access_regs(&p->thread.acrs[0]); 237 | 1/* 2 * arch/s390/kernel/process.c 3 * 4 * S390 version 5 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation 6 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), 7 * Hartmut Penner (hp@de.ibm.com), 8 * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), --- 221 unchanged lines hidden (view full) --- 230 frame->sf.gprs[8] = (unsigned long) ret_from_fork; 231 232 /* fake return stack for resume(), don't go back to schedule */ 233 frame->sf.gprs[9] = (unsigned long) frame; 234 235 /* Save access registers to new thread structure. */ 236 save_access_regs(&p->thread.acrs[0]); 237 |
| 238#ifndef CONFIG_ARCH_S390X | 238#ifndef CONFIG_64BIT |
| 239 /* 240 * save fprs to current->thread.fp_regs to merge them with 241 * the emulated registers and then copy the result to the child. 242 */ 243 save_fp_regs(¤t->thread.fp_regs); 244 memcpy(&p->thread.fp_regs, ¤t->thread.fp_regs, 245 sizeof(s390_fp_regs)); 246 p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _SEGMENT_TABLE; 247 /* Set a new TLS ? */ 248 if (clone_flags & CLONE_SETTLS) 249 p->thread.acrs[0] = regs->gprs[6]; | 239 /* 240 * save fprs to current->thread.fp_regs to merge them with 241 * the emulated registers and then copy the result to the child. 242 */ 243 save_fp_regs(¤t->thread.fp_regs); 244 memcpy(&p->thread.fp_regs, ¤t->thread.fp_regs, 245 sizeof(s390_fp_regs)); 246 p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _SEGMENT_TABLE; 247 /* Set a new TLS ? */ 248 if (clone_flags & CLONE_SETTLS) 249 p->thread.acrs[0] = regs->gprs[6]; |
| 250#else /* CONFIG_ARCH_S390X */ | 250#else /* CONFIG_64BIT */ |
| 251 /* Save the fpu registers to new thread structure. */ 252 save_fp_regs(&p->thread.fp_regs); 253 p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE; 254 /* Set a new TLS ? */ 255 if (clone_flags & CLONE_SETTLS) { 256 if (test_thread_flag(TIF_31BIT)) { 257 p->thread.acrs[0] = (unsigned int) regs->gprs[6]; 258 } else { 259 p->thread.acrs[0] = (unsigned int)(regs->gprs[6] >> 32); 260 p->thread.acrs[1] = (unsigned int) regs->gprs[6]; 261 } 262 } | 251 /* Save the fpu registers to new thread structure. */ 252 save_fp_regs(&p->thread.fp_regs); 253 p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE; 254 /* Set a new TLS ? */ 255 if (clone_flags & CLONE_SETTLS) { 256 if (test_thread_flag(TIF_31BIT)) { 257 p->thread.acrs[0] = (unsigned int) regs->gprs[6]; 258 } else { 259 p->thread.acrs[0] = (unsigned int)(regs->gprs[6] >> 32); 260 p->thread.acrs[1] = (unsigned int) regs->gprs[6]; 261 } 262 } |
| 263#endif /* CONFIG_ARCH_S390X */ | 263#endif /* CONFIG_64BIT */ |
| 264 /* start new process with ar4 pointing to the correct address space */ 265 p->thread.mm_segment = get_fs(); 266 /* Don't copy debug registers */ 267 memset(&p->thread.per_info,0,sizeof(p->thread.per_info)); 268 269 return 0; 270} 271 --- 62 unchanged lines hidden (view full) --- 334} 335 336 337/* 338 * fill in the FPU structure for a core dump. 339 */ 340int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs) 341{ | 264 /* start new process with ar4 pointing to the correct address space */ 265 p->thread.mm_segment = get_fs(); 266 /* Don't copy debug registers */ 267 memset(&p->thread.per_info,0,sizeof(p->thread.per_info)); 268 269 return 0; 270} 271 --- 62 unchanged lines hidden (view full) --- 334} 335 336 337/* 338 * fill in the FPU structure for a core dump. 339 */ 340int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs) 341{ |
| 342#ifndef CONFIG_ARCH_S390X | 342#ifndef CONFIG_64BIT |
| 343 /* 344 * save fprs to current->thread.fp_regs to merge them with 345 * the emulated registers and then copy the result to the dump. 346 */ 347 save_fp_regs(¤t->thread.fp_regs); 348 memcpy(fpregs, ¤t->thread.fp_regs, sizeof(s390_fp_regs)); | 343 /* 344 * save fprs to current->thread.fp_regs to merge them with 345 * the emulated registers and then copy the result to the dump. 346 */ 347 save_fp_regs(¤t->thread.fp_regs); 348 memcpy(fpregs, ¤t->thread.fp_regs, sizeof(s390_fp_regs)); |
| 349#else /* CONFIG_ARCH_S390X */ | 349#else /* CONFIG_64BIT */ |
| 350 save_fp_regs(fpregs); | 350 save_fp_regs(fpregs); |
| 351#endif /* CONFIG_ARCH_S390X */ | 351#endif /* CONFIG_64BIT */ |
| 352 return 1; 353} 354 355/* 356 * fill in the user structure for a core dump.. 357 */ 358void dump_thread(struct pt_regs * regs, struct user * dump) 359{ --- 41 unchanged lines hidden --- | 352 return 1; 353} 354 355/* 356 * fill in the user structure for a core dump.. 357 */ 358void dump_thread(struct pt_regs * regs, struct user * dump) 359{ --- 41 unchanged lines hidden --- |