Differential D30500 Diff 90100 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);
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)
{		{

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