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Differential D30500 Diff 89997 sys/arm64/linux/linux_sysvec.c

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sys/arm64/linux/linux_sysvec.c

Show First 20 Lines • Show All 166 Lines • ▼ Show 20 Lines argarray = pos = malloc(LINUX_AT_COUNT * sizeof(*pos), M_TEMP,
M_WAITOK | M_ZERO); M_WAITOK | M_ZERO);
issetugid = p->p_flag & P_SUGID ? 1 : 0; issetugid = p->p_flag & P_SUGID ? 1 : 0;
AUXARGS_ENTRY(pos, LINUX_AT_SYSINFO_EHDR, AUXARGS_ENTRY(pos, LINUX_AT_SYSINFO_EHDR,
imgp->proc->p_sysent->sv_shared_page_base); imgp->proc->p_sysent->sv_shared_page_base);
#if 0 /* LINUXTODO: implement arm64 LINUX_AT_HWCAP */ #if 0 /* LINUXTODO: implement arm64 LINUX_AT_HWCAP */
AUXARGS_ENTRY(pos, LINUX_AT_HWCAP, cpu_feature); AUXARGS_ENTRY(pos, LINUX_AT_HWCAP, cpu_feature);
#endif #endif
AUXARGS_ENTRY(pos, AT_PAGESZ, args->pagesz);
AUXARGS_ENTRY(pos, LINUX_AT_CLKTCK, stclohz); AUXARGS_ENTRY(pos, LINUX_AT_CLKTCK, stclohz);
AUXARGS_ENTRY(pos, AT_PHDR, args->phdr); AUXARGS_ENTRY(pos, AT_PHDR, args->phdr);
AUXARGS_ENTRY(pos, AT_PHENT, args->phent); AUXARGS_ENTRY(pos, AT_PHENT, args->phent);
AUXARGS_ENTRY(pos, AT_PHNUM, args->phnum); AUXARGS_ENTRY(pos, AT_PHNUM, args->phnum);
AUXARGS_ENTRY(pos, AT_PAGESZ, args->pagesz);
AUXARGS_ENTRY(pos, AT_BASE, args->base); AUXARGS_ENTRY(pos, AT_BASE, args->base);
AUXARGS_ENTRY(pos, AT_FLAGS, args->flags); AUXARGS_ENTRY(pos, AT_FLAGS, args->flags);
AUXARGS_ENTRY(pos, AT_ENTRY, args->entry); AUXARGS_ENTRY(pos, AT_ENTRY, args->entry);
AUXARGS_ENTRY(pos, AT_UID, imgp->proc->p_ucred->cr_ruid); AUXARGS_ENTRY(pos, AT_UID, imgp->proc->p_ucred->cr_ruid);
AUXARGS_ENTRY(pos, AT_EUID, imgp->proc->p_ucred->cr_svuid); AUXARGS_ENTRY(pos, AT_EUID, imgp->proc->p_ucred->cr_svuid);
AUXARGS_ENTRY(pos, AT_GID, imgp->proc->p_ucred->cr_rgid); AUXARGS_ENTRY(pos, AT_GID, imgp->proc->p_ucred->cr_rgid);
AUXARGS_ENTRY(pos, AT_EGID, imgp->proc->p_ucred->cr_svgid); AUXARGS_ENTRY(pos, AT_EGID, imgp->proc->p_ucred->cr_svgid);
AUXARGS_ENTRY(pos, LINUX_AT_SECURE, issetugid); AUXARGS_ENTRY(pos, LINUX_AT_SECURE, issetugid);
#if 0 /* LINUXTODO: implement arm64 LINUX_AT_PLATFORM */
AUXARGS_ENTRY(pos, LINUX_AT_PLATFORM, PTROUT(linux_platform));
#endif
AUXARGS_ENTRY_PTR(pos, LINUX_AT_RANDOM, imgp->canary); AUXARGS_ENTRY_PTR(pos, LINUX_AT_RANDOM, imgp->canary);
AUXARGS_ENTRY(pos, LINUX_AT_HWCAP2, 0);
if (imgp->execpathp != 0) if (imgp->execpathp != 0)
AUXARGS_ENTRY_PTR(pos, LINUX_AT_EXECFN, imgp->execpathp); AUXARGS_ENTRY_PTR(pos, LINUX_AT_EXECFN, imgp->execpathp);
if (args->execfd != -1) if (args->execfd != -1)
AUXARGS_ENTRY(pos, AT_EXECFD, args->execfd); AUXARGS_ENTRY(pos, AT_EXECFD, args->execfd);
AUXARGS_ENTRY(pos, LINUX_AT_PLATFORM, PTROUT(linux_platform));
AUXARGS_ENTRY(pos, AT_NULL, 0); AUXARGS_ENTRY(pos, AT_NULL, 0);
free(imgp->auxargs, M_TEMP); free(imgp->auxargs, M_TEMP);
imgp->auxargs = NULL; imgp->auxargs = NULL;
KASSERT(pos - argarray <= LINUX_AT_COUNT, ("Too many auxargs")); KASSERT(pos - argarray <= LINUX_AT_COUNT, ("Too many auxargs"));
error = copyout(argarray, (void *)base, error = copyout(argarray, (void *)base,
sizeof(*argarray) * LINUX_AT_COUNT); sizeof(*argarray) * LINUX_AT_COUNT);
free(argarray, M_TEMP); free(argarray, M_TEMP);
return (error); return (error);
▲ Show 20 Lines • Show All 254 Lines • ▼ Show 20 Lines 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);
memcpy(linux_shared_page_mapping, elf_linux_sysvec.sv_sigcode, memcpy(linux_shared_page_mapping, elf_linux_sysvec.sv_sigcode,
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;
printf("LINUXTODO: %s: fix linux_kplatform\n", __func__);
#if 0
linux_kplatform = linux_shared_page_mapping + linux_kplatform = linux_shared_page_mapping +
(linux_platform - (caddr_t)elf_linux_sysvec.sv_shared_page_base); (linux_platform - (caddr_t)elf_linux_sysvec.sv_shared_page_base);
#else
linux_kplatform = "arm64";
#endif
} }
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(const void *param) linux_vdso_deinstall(const void *param)
{ {
▲ Show 20 Lines • Show All 110 Lines • Show Last 20 Lines