/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SH_SYSCALL_32_H #define __ASM_SH_SYSCALL_32_H #include <uapi/linux/audit.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/err.h> #include <asm/ptrace.h> /* The system call number is given by the user in R3 */ static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return (regs->tra >= 0) ? regs->regs[3] : -1L; } static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { /* * XXX: This needs some thought. On SH we don't * save away the original r0 value anywhere. */ } static inline long syscall_get_error(struct task_struct *task, struct pt_regs *regs) { return IS_ERR_VALUE(regs->regs[0]) ? regs->regs[0] : 0; } static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { return regs->regs[0]; } static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) { if (error) regs->regs[0] = -error; else regs->regs[0] = val; } static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, unsigned int i, unsigned int n, unsigned long *args) { /* * Do this simply for now. If we need to start supporting * fetching arguments from arbitrary indices, this will need some * extra logic. Presently there are no in-tree users that depend * on this behaviour. */ BUG_ON(i); /* Argument pattern is: R4, R5, R6, R7, R0, R1 */ switch (n) { case 6: args[5] = regs->regs[1]; case 5: args[4] = regs->regs[0]; case 4: args[3] = regs->regs[7]; case 3: args[2] = regs->regs[6]; case 2: args[1] = regs->regs[5]; case 1: args[0] = regs->regs[4]; case 0: break; default: BUG(); } } static inline void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, unsigned int i, unsigned int n, const unsigned long *args) { /* Same note as above applies */ BUG_ON(i); switch (n) { case 6: regs->regs[1] = args[5]; case 5: regs->regs[0] = args[4]; case 4: regs->regs[7] = args[3]; case 3: regs->regs[6] = args[2]; case 2: regs->regs[5] = args[1]; case 1: regs->regs[4] = args[0]; break; default: BUG(); } } static inline int syscall_get_arch(void) { int arch = AUDIT_ARCH_SH; #ifdef CONFIG_CPU_LITTLE_ENDIAN arch |= __AUDIT_ARCH_LE; #endif return arch; } #endif /* __ASM_SH_SYSCALL_32_H */
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Kbuild | File | 467 B | 0644 |
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adc.h | File | 253 B | 0644 |
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addrspace.h | File | 2.03 KB | 0644 |
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alignment.h | File | 654 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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atomic-grb.h | File | 2.6 KB | 0644 |
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atomic-irq.h | File | 1.63 KB | 0644 |
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atomic-llsc.h | File | 2.12 KB | 0644 |
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atomic.h | File | 1.78 KB | 0644 |
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barrier.h | File | 1.52 KB | 0644 |
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bitops-cas.h | File | 1.73 KB | 0644 |
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bitops-grb.h | File | 6.21 KB | 0644 |
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bitops-llsc.h | File | 2.79 KB | 0644 |
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bitops-op32.h | File | 3.78 KB | 0644 |
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bitops.h | File | 2.38 KB | 0644 |
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bl_bit.h | File | 216 B | 0644 |
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bl_bit_32.h | File | 639 B | 0644 |
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bl_bit_64.h | File | 979 B | 0644 |
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bug.h | File | 2.77 KB | 0644 |
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bugs.h | File | 1.38 KB | 0644 |
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cache.h | File | 1.2 KB | 0644 |
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cache_insns.h | File | 242 B | 0644 |
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cache_insns_32.h | File | 642 B | 0644 |
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cache_insns_64.h | File | 839 B | 0644 |
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cacheflush.h | File | 3.58 KB | 0644 |
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checksum.h | File | 140 B | 0644 |
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checksum_32.h | File | 5.21 KB | 0644 |
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clock.h | File | 436 B | 0644 |
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cmpxchg-cas.h | File | 549 B | 0644 |
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cmpxchg-grb.h | File | 2.8 KB | 0644 |
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cmpxchg-irq.h | File | 1.04 KB | 0644 |
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cmpxchg-llsc.h | File | 1.06 KB | 0644 |
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cmpxchg-xchg.h | File | 1.33 KB | 0644 |
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cmpxchg.h | File | 1.77 KB | 0644 |
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device.h | File | 450 B | 0644 |
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dma-mapping.h | File | 694 B | 0644 |
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dma-register.h | File | 1.8 KB | 0644 |
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dma.h | File | 3.74 KB | 0644 |
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dmabrg.h | File | 536 B | 0644 |
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dwarf.h | File | 9.8 KB | 0644 |
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elf.h | File | 7.28 KB | 0644 |
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entry-macros.S | File | 1.85 KB | 0644 |
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extable.h | File | 227 B | 0644 |
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fb.h | File | 375 B | 0644 |
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fixmap.h | File | 2.92 KB | 0644 |
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flat.h | File | 1.23 KB | 0644 |
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fpu.h | File | 1.77 KB | 0644 |
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freq.h | File | 472 B | 0644 |
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ftrace.h | File | 1.11 KB | 0644 |
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futex-cas.h | File | 728 B | 0644 |
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futex-irq.h | File | 482 B | 0644 |
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futex-llsc.h | File | 870 B | 0644 |
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futex.h | File | 1.5 KB | 0644 |
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gpio.h | File | 1017 B | 0644 |
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hardirq.h | File | 440 B | 0644 |
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hd64461.h | File | 11.79 KB | 0644 |
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heartbeat.h | File | 383 B | 0644 |
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hugetlb.h | File | 1.96 KB | 0644 |
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hw_breakpoint.h | File | 1.88 KB | 0644 |
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hw_irq.h | File | 915 B | 0644 |
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i2c-sh7760.h | File | 406 B | 0644 |
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io.h | File | 11.33 KB | 0644 |
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io_generic.h | File | 661 B | 0644 |
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io_noioport.h | File | 1.09 KB | 0644 |
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io_trapped.h | File | 1.44 KB | 0644 |
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irq.h | File | 1.68 KB | 0644 |
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irqflags.h | File | 226 B | 0644 |
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kdebug.h | File | 406 B | 0644 |
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kexec.h | File | 2.61 KB | 0644 |
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kgdb.h | File | 851 B | 0644 |
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kmap_types.h | File | 265 B | 0644 |
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kprobes.h | File | 1.51 KB | 0644 |
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linkage.h | File | 154 B | 0644 |
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machvec.h | File | 939 B | 0644 |
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mmu.h | File | 2.18 KB | 0644 |
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mmu_context.h | File | 4.44 KB | 0644 |
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mmu_context_32.h | File | 1.28 KB | 0644 |
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mmu_context_64.h | File | 1.97 KB | 0644 |
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mmzone.h | File | 1.1 KB | 0644 |
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module.h | File | 1005 B | 0644 |
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page.h | File | 6.06 KB | 0644 |
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pci.h | File | 3.19 KB | 0644 |
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perf_event.h | File | 797 B | 0644 |
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pgalloc.h | File | 1.86 KB | 0644 |
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pgtable-2level.h | File | 598 B | 0644 |
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pgtable-3level.h | File | 1.54 KB | 0644 |
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pgtable.h | File | 4 KB | 0644 |
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pgtable_32.h | File | 16.37 KB | 0644 |
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pgtable_64.h | File | 11.32 KB | 0644 |
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posix_types.h | File | 146 B | 0644 |
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processor.h | File | 4.41 KB | 0644 |
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processor_32.h | File | 4.67 KB | 0644 |
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processor_64.h | File | 5.54 KB | 0644 |
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ptrace.h | File | 3.39 KB | 0644 |
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ptrace_32.h | File | 307 B | 0644 |
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ptrace_64.h | File | 312 B | 0644 |
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push-switch.h | File | 755 B | 0644 |
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reboot.h | File | 472 B | 0644 |
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romimage-macros.h | File | 1.1 KB | 0644 |
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rtc.h | File | 383 B | 0644 |
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seccomp.h | File | 280 B | 0644 |
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sections.h | File | 311 B | 0644 |
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segment.h | File | 879 B | 0644 |
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setup.h | File | 725 B | 0644 |
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sfp-machine.h | File | 3.43 KB | 0644 |
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sh7760fb.h | File | 5.61 KB | 0644 |
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sh_bios.h | File | 743 B | 0644 |
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shmparam.h | File | 629 B | 0644 |
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siu.h | File | 539 B | 0644 |
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smc37c93x.h | File | 5.56 KB | 0644 |
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smp-ops.h | File | 1012 B | 0644 |
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smp.h | File | 1.83 KB | 0644 |
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sparsemem.h | File | 443 B | 0644 |
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spi.h | File | 265 B | 0644 |
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spinlock-cas.h | File | 2.09 KB | 0644 |
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spinlock-llsc.h | File | 4.13 KB | 0644 |
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spinlock.h | File | 578 B | 0644 |
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spinlock_types.h | File | 463 B | 0644 |
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sram.h | File | 670 B | 0644 |
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stackprotector.h | File | 711 B | 0644 |
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stacktrace.h | File | 606 B | 0644 |
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string.h | File | 131 B | 0644 |
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string_32.h | File | 2.66 KB | 0644 |
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string_64.h | File | 499 B | 0644 |
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suspend.h | File | 2.52 KB | 0644 |
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switch_to.h | File | 492 B | 0644 |
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switch_to_32.h | File | 3.55 KB | 0644 |
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switch_to_64.h | File | 968 B | 0644 |
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syscall.h | File | 267 B | 0644 |
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syscall_32.h | File | 2.42 KB | 0644 |
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syscall_64.h | File | 1.79 KB | 0644 |
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syscalls.h | File | 564 B | 0644 |
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syscalls_32.h | File | 1022 B | 0644 |
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syscalls_64.h | File | 441 B | 0644 |
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thread_info.h | File | 5.32 KB | 0644 |
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timex.h | File | 637 B | 0644 |
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tlb.h | File | 4.12 KB | 0644 |
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tlb_64.h | File | 2.08 KB | 0644 |
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tlbflush.h | File | 1.77 KB | 0644 |
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topology.h | File | 645 B | 0644 |
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traps.h | File | 487 B | 0644 |
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traps_32.h | File | 1.31 KB | 0644 |
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traps_64.h | File | 851 B | 0644 |
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types.h | File | 411 B | 0644 |
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uaccess.h | File | 4.83 KB | 0644 |
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uaccess_32.h | File | 3.77 KB | 0644 |
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uaccess_64.h | File | 2.2 KB | 0644 |
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unaligned-sh4a.h | File | 4.51 KB | 0644 |
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unaligned.h | File | 359 B | 0644 |
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uncached.h | File | 1.34 KB | 0644 |
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unistd.h | File | 952 B | 0644 |
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unwinder.h | File | 856 B | 0644 |
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user.h | File | 2.52 KB | 0644 |
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vga.h | File | 98 B | 0644 |
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vmlinux.lds.h | File | 558 B | 0644 |
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watchdog.h | File | 4.14 KB | 0644 |
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word-at-a-time.h | File | 1.29 KB | 0644 |
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