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Searched refs:trampoline (Results 1 – 25 of 35) sorted by relevance

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/linux/arch/s390/kernel/
H A Dftrace.c80 static struct ftrace_hotpatch_trampoline *trampoline; in ftrace_init_nop() local
104 trampoline = (*next_trampoline)++; in ftrace_init_nop()
114 tmp.brasl_disp = (shared - (const char *)&trampoline->brasl_opc) / 2; in ftrace_init_nop()
117 s390_kernel_write(trampoline, &tmp, sizeof(tmp)); in ftrace_init_nop()
120 disp = ((char *)trampoline - (char *)rec->ip) / 2; in ftrace_init_nop()
129 struct ftrace_hotpatch_trampoline *trampoline; in ftrace_get_trampoline() local
137 trampoline = (void *)(rec->ip + disp); in ftrace_get_trampoline()
138 if (get_kernel_nofault(opc, &trampoline->brasl_opc)) in ftrace_get_trampoline()
142 return trampoline; in ftrace_get_trampoline()
175 struct ftrace_hotpatch_trampoline *trampoline; in ftrace_modify_trampoline_call() local
[all …]
H A Duprobes.c143 unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline, in arch_uretprobe_hijack_return_addr() argument
149 regs->gprs[14] = trampoline; in arch_uretprobe_hijack_return_addr()
/linux/Documentation/livepatch/
H A Dreliable-stacktrace.rst163 to intercept when that function returns with a return trampoline, e.g.
165 * An ftrace trampoline may modify the return address so that function graph
168 * A kprobes (or optprobes) trampoline may modify the return address so that
174 is altered by the trampoline, the unwinder may report the original return
175 address in place of the trampoline and report this as reliable. Otherwise, an
180 trampoline or return trampoline. For example, considering the x86_64
181 'return_to_handler' return trampoline:
213 trampoline moves this into rdi before jumping to it.
232 with a JMP instruction which targets the associated optprobe trampoline. When
233 the probe is hit, the CPU will branch to the optprobe trampoline, and the
[all …]
/linux/tools/testing/selftests/arm64/bti/
H A DMakefile38 $(OUTPUT)/trampoline-bti.o
49 $(OUTPUT)/trampoline-nobti.o
H A Dtest.c107 static void __do_test(void (*trampoline)(void (*)(void)), in __do_test()
125 trampoline(fn); in __do_test()
/linux/arch/x86/boot/compressed/
H A Dpgtable.h13 extern void trampoline_32bit_src(void *trampoline, bool enable_5lvl);
/linux/drivers/gpu/drm/i915/
H A Di915_cmd_parser.h23 bool trampoline);
H A Di915_cmd_parser.c1445 bool trampoline) in intel_engine_cmd_parser() argument
1470 if (!trampoline) in intel_engine_cmd_parser()
1534 if (trampoline) { in intel_engine_cmd_parser()
/linux/Documentation/admin-guide/
H A Dsyscall-user-dispatch.rst66 interface should make sure that at least the signal trampoline code is
68 trampoline code on the vDSO, that trampoline is never intercepted.
/linux/arch/arm/boot/dts/intel/socfpga/
H A Dsocfpga_arria5.dtsi7 /* First 4KB has trampoline code for secondary cores. */
H A Dsocfpga_cyclone5.dtsi7 /* First 4KB has trampoline code for secondary cores. */
/linux/arch/hexagon/kernel/
H A DMakefile8 obj-y += process.o trampoline.o reset.o ptrace.o vdso.o
/linux/kernel/trace/
H A Dftrace.c1098 if (op->trampoline && op->trampoline_size) in ftrace_ops_trampoline()
1099 if (addr >= op->trampoline && in ftrace_ops_trampoline()
1100 addr < op->trampoline + op->trampoline_size) { in ftrace_ops_trampoline()
1800 if (ftrace_rec_count(rec) == 1 && ops->trampoline) in __ftrace_hash_rec_update()
2197 (void *)ops->trampoline, in ftrace_bug()
2416 if (!op->trampoline) in ftrace_find_tramp_ops_any()
2434 if (op == op_exclude || !op->trampoline) in ftrace_find_tramp_ops_any_other()
2452 if (!op->trampoline) in ftrace_find_tramp_ops_next()
2499 if (!op->trampoline) in ftrace_find_tramp_ops_curr()
2624 if (FTRACE_WARN_ON(!ops || !ops->trampoline)) { in ftrace_get_addr_new()
[all …]
/linux/include/linux/
H A Dlsm_hooks.h53 void *trampoline; member
H A Dftrace.h436 unsigned long trampoline; member
/linux/drivers/gpu/drm/i915/gem/
H A Di915_gem_execbuffer.c262 struct i915_vma *trampoline; /** trampoline used for chaining */ member
2281 struct i915_vma *shadow, *trampoline, *batch; in eb_parse() local
2333 trampoline = NULL; in eb_parse()
2335 trampoline = shadow; in eb_parse()
2360 shadow, trampoline); in eb_parse()
2368 eb->trampoline = trampoline; in eb_parse()
2419 if (eb->trampoline) { in eb_request_submit()
2423 i915_vma_offset(eb->trampoline) + in eb_request_submit()
3385 eb.trampoline = NULL; in i915_gem_do_execbuffer()
/linux/kernel/bpf/
H A DMakefile16 obj-$(CONFIG_BPF_JIT) += trampoline.o
/linux/Documentation/trace/
H A Dkprobes.rst113 the return address with the address of a "trampoline." The trampoline
115 At boot time, Kprobes registers a kprobe at the trampoline.
118 passes to the trampoline and that probe is hit. Kprobes' trampoline
216 - a call to the trampoline code which calls user's probe handlers.
584 address with the trampoline's address, stack backtraces and calls
585 to __builtin_return_address() will typically yield the trampoline's
H A Dftrace-uses.rst142 (as explained below), then a helper trampoline will be used to test
158 (as explained below), then a helper trampoline will be used to test
/linux/tools/testing/selftests/bpf/
H A DREADME.rst31 trampoline support on IBM's s390x architecture. For cases like this, an in-tree
43 available, summarizes the underlying problem. A value of ``trampoline``, for
44 example, indicates that lack of trampoline support is causing the test to fail.
/linux/tools/testing/selftests/arm64/signal/
H A DREADME34 they are just fired using some simple included assembly trampoline code.
/linux/arch/x86/realmode/rm/
H A Dtrampoline_64.S159 # Setup trampoline 4 level pagetables
/linux/arch/loongarch/kernel/
H A Dunwind_orc.c134 offset = ip - ops->trampoline; in orc_ftrace_find()
/linux/Documentation/bpf/
H A Ddrgn.rst143 .trampoline = (struct bpf_trampoline *)0x0,
/linux/arch/sh/mm/
H A DKconfig111 From the kernel side this is used for the signal trampoline.

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