| /linux-6.12.1/arch/powerpc/kernel/trace/ |
| D | ftrace_64_pg.c | 123 unsigned long entry, ptr, tramp; in __ftrace_make_nop() local
140 tramp = find_bl_target(ip, op); in __ftrace_make_nop()
142 pr_devel("ip:%lx jumps to %lx", ip, tramp); in __ftrace_make_nop()
144 if (module_trampoline_target(mod, tramp, &ptr)) { in __ftrace_make_nop()
239 static int add_ftrace_tramp(unsigned long tramp) in add_ftrace_tramp() argument
245 ftrace_tramps[i] = tramp; in add_ftrace_tramp()
258 static int setup_mcount_compiler_tramp(unsigned long tramp) in setup_mcount_compiler_tramp() argument
266 if (ftrace_tramps[i] == tramp) in setup_mcount_compiler_tramp()
270 if (copy_inst_from_kernel_nofault(&op, (void *)tramp)) { in setup_mcount_compiler_tramp()
282 ptr = find_bl_target(tramp, op); in setup_mcount_compiler_tramp()
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| D | ftrace.c | 120 stub = (addr == (unsigned long)ftrace_caller ? rec->arch.mod->arch.tramp : in ftrace_get_call_inst()
340 static void __init add_ftrace_tramp(unsigned long tramp) in add_ftrace_tramp() argument
346 ftrace_tramps[i] = tramp; in add_ftrace_tramp()
353 unsigned int *tramp[] = { ftrace_tramp_text, ftrace_tramp_init }; in ftrace_dyn_arch_init() local
380 reladdr = addr - (unsigned long)tramp[i]; in ftrace_dyn_arch_init()
388 memcpy(tramp[i], stub_insns, sizeof(stub_insns)); in ftrace_dyn_arch_init()
389 tramp[i][0] |= IMM_H18(reladdr); in ftrace_dyn_arch_init()
390 tramp[i][1] |= IMM_L(reladdr); in ftrace_dyn_arch_init()
391 add_ftrace_tramp((unsigned long)tramp[i]); in ftrace_dyn_arch_init()
403 memcpy(tramp[i], stub_insns, sizeof(stub_insns)); in ftrace_dyn_arch_init()
[all …]
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| /linux-6.12.1/arch/powerpc/kernel/ |
| D | static_call.c | 7 void arch_static_call_transform(void *site, void *tramp, void *func, bool tail) in arch_static_call_transform() argument
11 unsigned long target = (unsigned long)(is_ret0 ? tramp + PPC_SCT_RET0 : func); in arch_static_call_transform()
12 bool is_short = is_offset_in_branch_range((long)target - (long)tramp); in arch_static_call_transform()
14 if (!tramp) in arch_static_call_transform()
20 err = patch_ulong(tramp + PPC_SCT_DATA, target); in arch_static_call_transform()
26 err = patch_instruction(tramp, ppc_inst(PPC_RAW_BLR())); in arch_static_call_transform()
28 err = patch_branch(tramp, target, 0); in arch_static_call_transform()
30 err = patch_instruction(tramp, ppc_inst(PPC_RAW_NOP())); in arch_static_call_transform()
35 panic("%s: patching failed %pS at %pS\n", __func__, func, tramp); in arch_static_call_transform()
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| D | signal_64.c | 61 unsigned int tramp[TRAMP_SIZE]; member
624 static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp) in setup_trampoline() argument
630 err |= __put_user(PPC_RAW_BCTRL(), &tramp[0]); in setup_trampoline()
631 err |= __put_user(PPC_RAW_ADDI(_R1, _R1, __SIGNAL_FRAMESIZE), &tramp[1]); in setup_trampoline()
633 err |= __put_user(PPC_RAW_LI(_R0, syscall), &tramp[2]); in setup_trampoline()
634 err |= __put_user(PPC_RAW_SC(), &tramp[3]); in setup_trampoline()
638 err |= __put_user(0, &tramp[i]); in setup_trampoline()
641 flush_icache_range((unsigned long) &tramp[0], in setup_trampoline()
642 (unsigned long) &tramp[TRAMP_SIZE]); in setup_trampoline()
927 err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]); in handle_rt_signal64()
[all …]
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| D | signal_32.c | 743 unsigned long tramp; in handle_rt_signal32() local
786 tramp = VDSO32_SYMBOL(tsk->mm->context.vdso, sigtramp_rt32); in handle_rt_signal32()
788 tramp = (unsigned long)mctx->mc_pad; in handle_rt_signal32()
800 regs->link = tramp; in handle_rt_signal32()
843 unsigned long tramp; in handle_signal32() local
882 tramp = VDSO32_SYMBOL(tsk->mm->context.vdso, sigtramp32); in handle_signal32()
884 tramp = (unsigned long)mctx->mc_pad; in handle_signal32()
891 regs->link = tramp; in handle_signal32()
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| D | module_32.c | 324 module->arch.tramp = do_plt_call(module->mem[MOD_TEXT].base, in module_finalize_ftrace()
327 if (!module->arch.tramp) in module_finalize_ftrace()
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| D | vmlinux.lds.S | 110 *(.tramp.ftrace.text);
275 *(.tramp.ftrace.init);
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| /linux-6.12.1/arch/x86/kernel/ |
| D | static_call.c | 114 static void __static_call_validate(u8 *insn, bool tail, bool tramp) in __static_call_validate() argument
118 if (tramp && memcmp(insn+5, tramp_ud, 3)) { in __static_call_validate()
157 void arch_static_call_transform(void *site, void *tramp, void *func, bool tail) in arch_static_call_transform() argument
161 if (tramp) { in arch_static_call_transform()
162 __static_call_validate(tramp, true, true); in arch_static_call_transform()
163 __static_call_transform(tramp, __sc_insn(!func, true), func, false); in arch_static_call_transform()
187 bool __static_call_fixup(void *tramp, u8 op, void *dest) in __static_call_fixup() argument
189 unsigned long addr = (unsigned long)tramp; in __static_call_fixup()
202 if (memcmp(tramp+5, tramp_ud, 3)) { in __static_call_fixup()
209 __static_call_transform(tramp, RET, NULL, true); in __static_call_fixup()
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| D | ftrace.c | 268 static inline void tramp_free(void *tramp) in tramp_free() argument
270 execmem_free(tramp); in tramp_free()
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| D | uprobes.c | 362 unsigned long tramp = uprobe_get_trampoline_vaddr(); in trampoline_check_ip() local
364 return tramp + (uretprobe_syscall_check - uretprobe_trampoline_entry); in trampoline_check_ip()
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| /linux-6.12.1/include/linux/ |
| D | static_call.h | 144 extern void arch_static_call_transform(void *site, void *tramp, void *func, bool tail);
175 s32 tramp; member
179 extern void __static_call_update(struct static_call_key *key, void *tramp, void *func);
254 void __static_call_update(struct static_call_key *key, void *tramp, void *func) in __static_call_update() argument
258 arch_static_call_transform(NULL, tramp, func, false); in __static_call_update()
331 void __static_call_update(struct static_call_key *key, void *tramp, void *func) in __static_call_update() argument
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| /linux-6.12.1/arch/loongarch/kernel/ |
| D | module-sections.c | 108 Elf_Shdr *got_sec, *plt_sec, *plt_idx_sec, *tramp = NULL; in module_frob_arch_sections() local
121 tramp = sechdrs + i; in module_frob_arch_sections()
177 if (tramp) { in module_frob_arch_sections()
178 tramp->sh_type = SHT_NOBITS; in module_frob_arch_sections()
179 tramp->sh_flags = SHF_EXECINSTR | SHF_ALLOC; in module_frob_arch_sections()
180 tramp->sh_addralign = __alignof__(struct plt_entry); in module_frob_arch_sections()
181 tramp->sh_size = NR_FTRACE_PLTS * sizeof(struct plt_entry); in module_frob_arch_sections()
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| /linux-6.12.1/arch/microblaze/kernel/ |
| D | signal.c | 48 unsigned long tramp[2]; /* signal trampoline */ member
54 unsigned long tramp[2]; /* signal trampoline */ member
184 frame->tramp + 0); in setup_rt_frame()
186 err |= __put_user(0xb9cc0008, frame->tramp + 1); in setup_rt_frame()
190 regs->r15 = ((unsigned long)frame->tramp)-8; in setup_rt_frame()
192 address = ((unsigned long)frame->tramp); in setup_rt_frame()
200 address += ((unsigned long)frame->tramp) & ~PAGE_MASK; in setup_rt_frame()
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| /linux-6.12.1/arch/arm64/kernel/ |
| D | module-plts.c | 286 Elf_Shdr *pltsec, *tramp = NULL; in module_frob_arch_sections() local
300 tramp = sechdrs + i; in module_frob_arch_sections()
359 if (tramp) { in module_frob_arch_sections()
360 tramp->sh_type = SHT_NOBITS; in module_frob_arch_sections()
361 tramp->sh_flags = SHF_EXECINSTR | SHF_ALLOC; in module_frob_arch_sections()
362 tramp->sh_addralign = __alignof__(struct plt_entry); in module_frob_arch_sections()
363 tramp->sh_size = NR_FTRACE_PLTS * sizeof(struct plt_entry); in module_frob_arch_sections()
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| D | vmlinux.lds.S | 118 *(.entry.tramp.text) \
121 *(.entry.tramp.rodata)
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| /linux-6.12.1/arch/parisc/kernel/ |
| D | ftrace.c | 116 u32 *tramp; in ftrace_make_call() local
160 tramp = ftrace_trampoline; in ftrace_make_call()
165 tramp = ftrace_trampoline_unaligned; in ftrace_make_call()
180 __patch_text_multiple(ip, tramp, size); in ftrace_make_call()
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| D | signal32.h | 40 unsigned int tramp[2]; /* holds original return address */ member
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| /linux-6.12.1/kernel/ |
| D | static_call_inline.c | 134 void __static_call_update(struct static_call_key *key, void *tramp, void *func) in __static_call_update() argument
147 arch_static_call_transform(NULL, tramp, func, false); in __static_call_update()
354 unsigned long tramp; in tramp_key_lookup() local
356 tramp = (long)tramp_key->tramp + (long)&tramp_key->tramp; in tramp_key_lookup()
357 if (tramp == addr) in tramp_key_lookup()
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| /linux-6.12.1/arch/powerpc/perf/ |
| D | callchain_64.c | 33 unsigned int tramp[6]; member
42 if (nip == fp + offsetof(struct signal_frame_64, tramp)) in is_sigreturn_64_address()
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| /linux-6.12.1/arch/hexagon/kernel/ |
| D | signal.c | 22 unsigned long tramp[2]; member
114 err |= __put_user(0x7800d166, &frame->tramp[0]); in setup_rt_frame()
115 err |= __put_user(0x5400c004, &frame->tramp[1]); in setup_rt_frame()
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| /linux-6.12.1/arch/parisc/include/asm/ |
| D | rt_sigframe.h | 6 unsigned int tramp[2]; /* holds original return address */ member
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| /linux-6.12.1/arch/powerpc/include/asm/ |
| D | module.h | 48 unsigned long tramp; member
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| /linux-6.12.1/arch/x86/include/asm/ |
| D | static_call.h | 66 extern bool __static_call_fixup(void *tramp, u8 op, void *dest);
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| /linux-6.12.1/arch/x86/platform/efi/ |
| D | efi_64.c | 180 unsigned long pfn, text, pf, rodata, tramp; in efi_setup_page_tables() local
258 tramp = __pa(__efi64_thunk_ret_tramp); in efi_setup_page_tables()
259 pfn = tramp >> PAGE_SHIFT; in efi_setup_page_tables()
262 if (kernel_map_pages_in_pgd(pgd, pfn, tramp, 1, pf)) { in efi_setup_page_tables()
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| /linux-6.12.1/tools/testing/selftests/bpf/bpf_testmod/ |
| D | bpf_testmod.c | 1324 void **tramp; in bpf_testmod_init() local
1354 tramp = (void **)&__bpf_testmod_ops.tramp_1; in bpf_testmod_init()
1355 while (tramp <= (void **)&__bpf_testmod_ops.tramp_40) in bpf_testmod_init()
1356 *tramp++ = bpf_testmod_tramp; in bpf_testmod_init()
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