Changeset View
Changeset View
Standalone View
Standalone View
sys/i386/linux/linux_sysvec.c
| Show First 20 Lines • Show All 91 Lines • ▼ Show 20 Lines | |||||
| static int linux_fixup_elf(uintptr_t *stack_base, | static int linux_fixup_elf(uintptr_t *stack_base, | ||||
| struct image_params *iparams); | struct image_params *iparams); | ||||
| static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask); | static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask); | ||||
| static void linux_exec_setregs(struct thread *td, | static void linux_exec_setregs(struct thread *td, | ||||
| struct image_params *imgp, uintptr_t stack); | struct image_params *imgp, uintptr_t stack); | ||||
| static int linux_copyout_strings(struct image_params *imgp, | static int linux_copyout_strings(struct image_params *imgp, | ||||
| uintptr_t *stack_base); | uintptr_t *stack_base); | ||||
| static bool linux_trans_osrel(const Elf_Note *note, int32_t *osrel); | static bool linux_trans_osrel(const Elf_Note *note, int32_t *osrel); | ||||
| static void linux_vdso_install(void *param); | static void linux_vdso_install(const void *param); | ||||
| static void linux_vdso_deinstall(void *param); | static void linux_vdso_deinstall(const void *param); | ||||
| static int linux_szplatform; | static int linux_szplatform; | ||||
| const char *linux_kplatform; | const char *linux_kplatform; | ||||
| #define LINUX_T_UNKNOWN 255 | #define LINUX_T_UNKNOWN 255 | ||||
| static int _bsd_to_linux_trapcode[] = { | static int _bsd_to_linux_trapcode[] = { | ||||
| LINUX_T_UNKNOWN, /* 0 */ | LINUX_T_UNKNOWN, /* 0 */ | ||||
| 6, /* 1 T_PRIVINFLT */ | 6, /* 1 T_PRIVINFLT */ | ||||
| ▲ Show 20 Lines • Show All 796 Lines • ▼ Show 20 Lines | struct sysentvec elf_linux_sysvec = { | ||||
| .sv_thread_detach = linux_thread_detach, | .sv_thread_detach = linux_thread_detach, | ||||
| .sv_trap = NULL, | .sv_trap = NULL, | ||||
| .sv_onexec = linux_on_exec, | .sv_onexec = linux_on_exec, | ||||
| .sv_onexit = linux_on_exit, | .sv_onexit = linux_on_exit, | ||||
| .sv_ontdexit = linux_thread_dtor, | .sv_ontdexit = linux_thread_dtor, | ||||
| }; | }; | ||||
| static void | static void | ||||
| linux_vdso_install(void *param) | linux_vdso_install(const void *param) | ||||
| { | { | ||||
| linux_szsigcode = (&_binary_linux_locore_o_end - | linux_szsigcode = (&_binary_linux_locore_o_end - | ||||
| &_binary_linux_locore_o_start); | &_binary_linux_locore_o_start); | ||||
| if (linux_szsigcode > elf_linux_sysvec.sv_shared_page_len) | if (linux_szsigcode > elf_linux_sysvec.sv_shared_page_len) | ||||
| panic("Linux invalid vdso size\n"); | panic("Linux invalid vdso size\n"); | ||||
| __elfN(linux_vdso_fixup)(&elf_linux_sysvec); | __elfN(linux_vdso_fixup)(&elf_linux_sysvec); | ||||
| linux_shared_page_obj = __elfN(linux_shared_page_init) | linux_shared_page_obj = __elfN(linux_shared_page_init) | ||||
| (&linux_shared_page_mapping); | (&linux_shared_page_mapping); | ||||
| __elfN(linux_vdso_reloc)(&elf_linux_sysvec); | __elfN(linux_vdso_reloc)(&elf_linux_sysvec); | ||||
| bcopy(elf_linux_sysvec.sv_sigcode, linux_shared_page_mapping, | bcopy(elf_linux_sysvec.sv_sigcode, linux_shared_page_mapping, | ||||
| linux_szsigcode); | linux_szsigcode); | ||||
| elf_linux_sysvec.sv_shared_page_obj = linux_shared_page_obj; | elf_linux_sysvec.sv_shared_page_obj = linux_shared_page_obj; | ||||
| } | } | ||||
| SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC, SI_ORDER_ANY, | SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC, SI_ORDER_ANY, | ||||
| linux_vdso_install, NULL); | linux_vdso_install, NULL); | ||||
| static void | static void | ||||
| linux_vdso_deinstall(void *param) | linux_vdso_deinstall(const void *param) | ||||
| { | { | ||||
| __elfN(linux_shared_page_fini)(linux_shared_page_obj, | __elfN(linux_shared_page_fini)(linux_shared_page_obj, | ||||
| linux_shared_page_mapping); | linux_shared_page_mapping); | ||||
| } | } | ||||
| SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, | SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, | ||||
| linux_vdso_deinstall, NULL); | linux_vdso_deinstall, NULL); | ||||
| ▲ Show 20 Lines • Show All 145 Lines • Show Last 20 Lines | |||||