diff options
Diffstat (limited to 'sys/amd64/linux32/linux32_sysvec.c')
| -rw-r--r-- | sys/amd64/linux32/linux32_sysvec.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/sys/amd64/linux32/linux32_sysvec.c b/sys/amd64/linux32/linux32_sysvec.c index 5ceae58..0997065 100644 --- a/sys/amd64/linux32/linux32_sysvec.c +++ b/sys/amd64/linux32/linux32_sysvec.c @@ -110,8 +110,7 @@ MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures"); #define LINUX_SYS_linux_rt_sendsig 0 #define LINUX_SYS_linux_sendsig 0 -const char *linux_platform = "i686"; -static int linux_szplatform; +const char *linux_kplatform; static int linux_szsigcode; static vm_object_t linux_shared_page_obj; static char *linux_shared_page_mapping; @@ -229,6 +228,7 @@ struct linux32_ps_strings { LINUX_VDSO_SYM_INTPTR(linux32_sigcode); LINUX_VDSO_SYM_INTPTR(linux32_rt_sigcode); LINUX_VDSO_SYM_INTPTR(linux32_vsyscall); +LINUX_VDSO_SYM_CHAR(linux_platform); /* * If FreeBSD & Linux have a difference of opinion about what a trap @@ -257,11 +257,10 @@ elf_linux_fixup(register_t **stack_base, struct image_params *imgp) { Elf32_Auxargs *args; Elf32_Addr *base; - Elf32_Addr *pos, *uplatform; + Elf32_Addr *pos; struct linux32_ps_strings *arginfo; arginfo = (struct linux32_ps_strings *)LINUX32_PS_STRINGS; - uplatform = (Elf32_Addr *)((caddr_t)arginfo - linux_szplatform); KASSERT(curthread->td_proc == imgp->proc, ("unsafe elf_linux_fixup(), should be curproc")); @@ -296,7 +295,7 @@ elf_linux_fixup(register_t **stack_base, struct image_params *imgp) AUXARGS_ENTRY_32(pos, AT_EUID, imgp->proc->p_ucred->cr_svuid); AUXARGS_ENTRY_32(pos, AT_GID, imgp->proc->p_ucred->cr_rgid); AUXARGS_ENTRY_32(pos, AT_EGID, imgp->proc->p_ucred->cr_svgid); - AUXARGS_ENTRY_32(pos, LINUX_AT_PLATFORM, PTROUT(uplatform)); + AUXARGS_ENTRY_32(pos, LINUX_AT_PLATFORM, PTROUT(linux_platform)); if (args->execfd != -1) AUXARGS_ENTRY_32(pos, AT_EXECFD, args->execfd); AUXARGS_ENTRY_32(pos, AT_NULL, 0); @@ -883,15 +882,8 @@ linux_copyout_strings(struct image_params *imgp) * Also deal with signal trampoline code for this exec type. */ arginfo = (struct linux32_ps_strings *)LINUX32_PS_STRINGS; - destp = (caddr_t)arginfo - SPARE_USRSPACE - linux_szplatform - - roundup((ARG_MAX - imgp->args->stringspace), - sizeof(char *)); - - /* - * Install LINUX_PLATFORM - */ - copyout(linux_platform, ((caddr_t)arginfo - linux_szplatform), - linux_szplatform); + destp = (caddr_t)arginfo - SPARE_USRSPACE - + roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); /* * If we have a valid auxargs ptr, prepare some room @@ -1075,6 +1067,9 @@ linux_vdso_install(void *param) bcopy(elf_linux_sysvec.sv_sigcode, linux_shared_page_mapping, linux_szsigcode); elf_linux_sysvec.sv_shared_page_obj = linux_shared_page_obj; + + linux_kplatform = linux_shared_page_mapping + + (linux_platform - (caddr_t)LINUX32_SHAREDPAGE); } SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC, SI_ORDER_ANY, (sysinit_cfunc_t)linux_vdso_install, NULL); @@ -1181,8 +1176,6 @@ linux_elf_modevent(module_t mod, int type, void *data) linux_proc_exec, NULL, 1000); linux_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor, linux_thread_dtor, NULL, EVENTHANDLER_PRI_ANY); - linux_szplatform = roundup(strlen(linux_platform) + 1, - sizeof(char *)); linux_osd_jail_register(); stclohz = (stathz ? stathz : hz); if (bootverbose) |
