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-rw-r--r--bsd-user/netbsd/host-os.h25
-rw-r--r--bsd-user/netbsd/target_os_elf.h146
-rw-r--r--bsd-user/netbsd/target_os_siginfo.h82
-rw-r--r--bsd-user/netbsd/target_os_signal.h69
-rw-r--r--bsd-user/netbsd/target_os_stack.h56
-rw-r--r--bsd-user/netbsd/target_os_thread.h25
6 files changed, 403 insertions, 0 deletions
diff --git a/bsd-user/netbsd/host-os.h b/bsd-user/netbsd/host-os.h
new file mode 100644
index 0000000000..c0be51a7ef
--- /dev/null
+++ b/bsd-user/netbsd/host-os.h
@@ -0,0 +1,25 @@
+/*
+ * NetBSD host dependent code and definitions
+ *
+ * Copyright (c) 2013 Stacey D. Son
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _HOST_OS_H_
+#define _HOST_OS_H_
+
+#define HOST_DEFAULT_BSD_TYPE target_netbsd
+
+#endif /*!_HOST_OS_H_ */
diff --git a/bsd-user/netbsd/target_os_elf.h b/bsd-user/netbsd/target_os_elf.h
new file mode 100644
index 0000000000..21b475f458
--- /dev/null
+++ b/bsd-user/netbsd/target_os_elf.h
@@ -0,0 +1,146 @@
+/*
+ * netbsd ELF definitions
+ *
+ * Copyright (c) 2013 Stacey D. Son
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_OS_ELF_H_
+#define _TARGET_OS_ELF_H_
+
+#include "target_arch_elf.h"
+#include "elf.h"
+
+/* this flag is uneffective under linux too, should be deleted */
+#ifndef MAP_DENYWRITE
+#define MAP_DENYWRITE 0
+#endif
+
+/* should probably go in elf.h */
+#ifndef ELIBBAD
+#define ELIBBAD 80
+#endif
+
+#ifndef ELF_PLATFORM
+#define ELF_PLATFORM (NULL)
+#endif
+
+#ifndef ELF_HWCAP
+#define ELF_HWCAP 0
+#endif
+
+#ifdef TARGET_ABI32
+#undef ELF_CLASS
+#define ELF_CLASS ELFCLASS32
+#undef bswaptls
+#define bswaptls(ptr) bswap32s(ptr)
+#endif
+
+/* max code+data+bss space allocated to elf interpreter */
+#define INTERP_MAP_SIZE (32 * 1024 * 1024)
+
+/* max code+data+bss+brk space allocated to ET_DYN executables */
+#define ET_DYN_MAP_SIZE (128 * 1024 * 1024)
+
+/* Necessary parameters */
+#define TARGET_ELF_EXEC_PAGESIZE TARGET_PAGE_SIZE
+#define TARGET_ELF_PAGESTART(_v) ((_v) & \
+ ~(unsigned long)(TARGET_ELF_EXEC_PAGESIZE - 1))
+#define TARGET_ELF_PAGEOFFSET(_v) ((_v) & (TARGET_ELF_EXEC_PAGESIZE - 1))
+
+#define DLINFO_ITEMS 12
+
+static abi_ulong target_create_elf_tables(abi_ulong p, int argc, int envc,
+ abi_ulong stringp,
+ struct elfhdr *exec,
+ abi_ulong load_addr,
+ abi_ulong load_bias,
+ abi_ulong interp_load_addr,
+ struct image_info *info)
+{
+ abi_ulong sp;
+ int size;
+ abi_ulong u_platform;
+ const char *k_platform;
+ const int n = sizeof(elf_addr_t);
+
+ sp = p;
+ u_platform = 0;
+ k_platform = ELF_PLATFORM;
+ if (k_platform) {
+ size_t len = strlen(k_platform) + 1;
+ sp -= (len + n - 1) & ~(n - 1);
+ u_platform = sp;
+ /* FIXME - check return value of memcpy_to_target() for failure */
+ memcpy_to_target(sp, k_platform, len);
+ }
+ /*
+ * Force 16 byte _final_ alignment here for generality.
+ */
+ sp = sp & ~(abi_ulong)15;
+ size = (DLINFO_ITEMS + 1) * 2;
+ if (k_platform) {
+ size += 2;
+ }
+#ifdef DLINFO_ARCH_ITEMS
+ size += DLINFO_ARCH_ITEMS * 2;
+#endif
+ size += envc + argc + 2;
+ size += 1; /* argc itself */
+ size *= n;
+ if (size & 15) {
+ sp -= 16 - (size & 15);
+ }
+
+ /*
+ * NetBSD defines elf_addr_t as Elf32_Off / Elf64_Off
+ */
+#define NEW_AUX_ENT(id, val) do { \
+ sp -= n; put_user_ual(val, sp); \
+ sp -= n; put_user_ual(id, sp); \
+ } while (0)
+
+ NEW_AUX_ENT(AT_NULL, 0);
+
+ /* There must be exactly DLINFO_ITEMS entries here. */
+ NEW_AUX_ENT(AT_PHDR, (abi_ulong)(load_addr + exec->e_phoff));
+ NEW_AUX_ENT(AT_PHENT, (abi_ulong)(sizeof(struct elf_phdr)));
+ NEW_AUX_ENT(AT_PHNUM, (abi_ulong)(exec->e_phnum));
+ NEW_AUX_ENT(AT_PAGESZ, (abi_ulong)(TARGET_PAGE_SIZE));
+ NEW_AUX_ENT(AT_BASE, (abi_ulong)(interp_load_addr));
+ NEW_AUX_ENT(AT_FLAGS, (abi_ulong)0);
+ NEW_AUX_ENT(AT_ENTRY, load_bias + exec->e_entry);
+ NEW_AUX_ENT(AT_UID, (abi_ulong)getuid());
+ NEW_AUX_ENT(AT_EUID, (abi_ulong)geteuid());
+ NEW_AUX_ENT(AT_GID, (abi_ulong)getgid());
+ NEW_AUX_ENT(AT_EGID, (abi_ulong)getegid());
+ NEW_AUX_ENT(AT_HWCAP, (abi_ulong)ELF_HWCAP);
+ NEW_AUX_ENT(AT_CLKTCK, (abi_ulong)sysconf(_SC_CLK_TCK));
+ if (k_platform) {
+ NEW_AUX_ENT(AT_PLATFORM, u_platform);
+ }
+#ifdef ARCH_DLINFO
+ /*
+ * ARCH_DLINFO must come last so platform specific code can enforce
+ * special alignment requirements on the AUXV if necessary (eg. PPC).
+ */
+ ARCH_DLINFO;
+#endif
+#undef NEW_AUX_ENT
+
+ sp = loader_build_argptr(envc, argc, sp, stringp);
+ return sp;
+}
+
+#endif /* _TARGET_OS_ELF_H_ */
diff --git a/bsd-user/netbsd/target_os_siginfo.h b/bsd-user/netbsd/target_os_siginfo.h
new file mode 100644
index 0000000000..667c19cc7c
--- /dev/null
+++ b/bsd-user/netbsd/target_os_siginfo.h
@@ -0,0 +1,82 @@
+#ifndef _TARGET_OS_SIGINFO_H_
+#define _TARGET_OS_SIGINFO_H_
+
+#define TARGET_NSIG 32 /* counting 0; could be 33 (mask is 1-32) */
+#define TARGET_NSIG_BPW (sizeof(uint32_t) * 8)
+#define TARGET_NSIG_WORDS (TARGET_NSIG / TARGET_NSIG_BPW)
+
+/* this struct defines a stack used during syscall handling */
+typedef struct target_sigaltstack {
+ abi_long ss_sp;
+ abi_ulong ss_size;
+ abi_long ss_flags;
+} target_stack_t;
+
+typedef struct {
+ uint32_t __bits[TARGET_NSIG_WORDS];
+} target_sigset_t
+
+struct target_sigaction {
+ abi_ulong _sa_handler;
+ int32_t sa_flags;
+ target_sigset_t sa_mask;
+};
+
+/* Compare to sys/siginfo.h */
+typedef union target_sigval {
+ int sival_int;
+ abi_ulong sival_ptr;
+} target_sigval_t;
+
+struct target_ksiginfo {
+ int32_t _signo;
+ int32_t _code;
+ int32_t _errno;
+#if TARGET_ABI_BITS == 64
+ int32_t _pad;
+#endif
+ union {
+ struct {
+ int32_t _pid;
+ int32_t _uid;
+ target_sigval_t _value;
+ } _rt;
+
+ struct {
+ int32_t _pid;
+ int32_t _uid;
+ int32_t _struct;
+ /* clock_t _utime; */
+ /* clock_t _stime; */
+ } _child;
+
+ struct {
+ abi_ulong _addr;
+ int32_t _trap;
+ } _fault;
+
+ struct {
+ long _band;
+ int _fd;
+ } _poll;
+ } _reason;
+};
+
+typedef union target_siginfo {
+ int8_t si_pad[128];
+ struct target_ksiginfo _info;
+} target_siginfo_t;
+
+#define target_si_signo _info._signo
+#define target_si_code _info._code
+#define target_si_errno _info._errno
+#define target_si_addr _info._reason._fault._addr
+
+#define TARGET_SEGV_MAPERR 1
+#define TARGET_SEGV_ACCERR 2
+
+#define TARGET_TRAP_BRKPT 1
+#define TARGET_TRAP_TRACE 2
+
+
+#endif /* ! _TARGET_OS_SIGINFO_H_ */
diff --git a/bsd-user/netbsd/target_os_signal.h b/bsd-user/netbsd/target_os_signal.h
new file mode 100644
index 0000000000..a373922f7e
--- /dev/null
+++ b/bsd-user/netbsd/target_os_signal.h
@@ -0,0 +1,69 @@
+#ifndef _TARGET_OS_SIGNAL_H_
+#define _TARGET_OS_SIGNAL_H_
+
+#include "target_os_siginfo.h"
+#include "target_arch_signal.h"
+
+#define TARGET_SIGHUP 1 /* hangup */
+#define TARGET_SIGINT 2 /* interrupt */
+#define TARGET_SIGQUIT 3 /* quit */
+#define TARGET_SIGILL 4 /* illegal instruction (not reset when caught) */
+#define TARGET_SIGTRAP 5 /* trace trap (not reset when caught) */
+#define TARGET_SIGABRT 6 /* abort() */
+#define TARGET_SIGIOT SIGABRT /* compatibility */
+#define TARGET_SIGEMT 7 /* EMT instruction */
+#define TARGET_SIGFPE 8 /* floating point exception */
+#define TARGET_SIGKILL 9 /* kill (cannot be caught or ignored) */
+#define TARGET_SIGBUS 10 /* bus error */
+#define TARGET_SIGSEGV 11 /* segmentation violation */
+#define TARGET_SIGSYS 12 /* bad argument to system call */
+#define TARGET_SIGPIPE 13 /* write on a pipe with no one to read it */
+#define TARGET_SIGALRM 14 /* alarm clock */
+#define TARGET_SIGTERM 15 /* software termination signal from kill */
+#define TARGET_SIGURG 16 /* urgent condition on IO channel */
+#define TARGET_SIGSTOP 17 /* sendable stop signal not from tty */
+#define TARGET_SIGTSTP 18 /* stop signal from tty */
+#define TARGET_SIGCONT 19 /* continue a stopped process */
+#define TARGET_SIGCHLD 20 /* to parent on child stop or exit */
+#define TARGET_SIGTTIN 21 /* to readers pgrp upon background tty read */
+#define TARGET_SIGTTOU 22 /* like TTIN for out if (tp->t_local&LTOSTOP) */
+#define TARGET_SIGIO 23 /* input/output possible signal */
+#define TARGET_SIGXCPU 24 /* exceeded CPU time limit */
+#define TARGET_SIGXFSZ 25 /* exceeded file size limit */
+#define TARGET_SIGVTALRM 26 /* virtual time alarm */
+#define TARGET_SIGPROF 27 /* profiling time alarm */
+#define TARGET_SIGWINCH 28 /* window size changes */
+#define TARGET_SIGINFO 29 /* information request */
+#define TARGET_SIGUSR1 30 /* user defined signal 1 */
+#define TARGET_SIGUSR2 31 /* user defined signal 2 */
+
+/*
+ * Language spec says we must list exactly one parameter, even though we
+ * actually supply three. Ugh!
+ */
+#define TARGET_SIG_DFL ((void (*)(int))0)
+#define TARGET_SIG_IGN ((void (*)(int))1)
+#define TARGET_SIG_ERR ((void (*)(int))-1)
+
+#define TARGET_SA_ONSTACK 0x0001 /* take signal on signal stack */
+#define TARGET_SA_RESTART 0x0002 /* restart system on signal return */
+#define TARGET_SA_RESETHAND 0x0004 /* reset to SIG_DFL when taking signal */
+#define TARGET_SA_NODEFER 0x0010 /* don't mask the signal we're delivering */
+#define TARGET_SA_NOCLDWAIT 0x0020 /* don't create zombies (assign to pid 1) */
+#define TARGET_SA_USERTRAMP 0x0100 /* do not bounce off kernel's sigtramp */
+#define TARGET_SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */
+#define TARGET_SA_SIGINFO 0x0040 /* generate siginfo_t */
+
+/*
+ * Flags for sigprocmask:
+ */
+#define TARGET_SIG_BLOCK 1 /* block specified signal set */
+#define TARGET_SIG_UNBLOCK 2 /* unblock specified signal set */
+#define TARGET_SIG_SETMASK 3 /* set specified signal set */
+
+#define TARGET_BADSIG SIG_ERR
+
+#define TARGET_SS_ONSTACK 0x0001 /* take signals on alternate stack */
+#define TARGET_SS_DISABLE 0x0004 /* disable taking signals on alternate stack */
+
+#endif /* !_TARGET_OS_SIGNAL_H_ */
diff --git a/bsd-user/netbsd/target_os_stack.h b/bsd-user/netbsd/target_os_stack.h
new file mode 100644
index 0000000000..503279c1a9
--- /dev/null
+++ b/bsd-user/netbsd/target_os_stack.h
@@ -0,0 +1,56 @@
+/*
+ * NetBSD setup_initial_stack() implementation.
+ *
+ * Copyright (c) 2013-14 Stacey D. Son
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TARGET_OS_STACK_H_
+#define _TARGET_OS_STACK_H_
+
+#include "target_arch_sigtramp.h"
+
+static inline int setup_initial_stack(struct bsd_binprm *bprm, abi_ulong *p,
+ abi_ulong *stringp)
+{
+ int i;
+ abi_ulong stack_base;
+
+ stack_base = (target_stkbas + target_stksiz) -
+ MAX_ARG_PAGES * TARGET_PAGE_SIZE;
+ if (p) {
+ *p = stack_base;
+ }
+ if (stringp) {
+ *stringp = stack_base;
+ }
+
+ for (i = 0; i < MAX_ARG_PAGES; i++) {
+ if (bprm->page[i]) {
+ info->rss++;
+ if (!memcpy_to_target(stack_base, bprm->page[i],
+ TARGET_PAGE_SIZE)) {
+ errno = EFAULT;
+ return -1;
+ }
+ g_free(bprm->page[i]);
+ }
+ stack_base += TARGET_PAGE_SIZE;
+ }
+
+ return 0;
+}
+
+#endif /* !_TARGET_OS_STACK_H_ */
diff --git a/bsd-user/netbsd/target_os_thread.h b/bsd-user/netbsd/target_os_thread.h
new file mode 100644
index 0000000000..904dd1bf78
--- /dev/null
+++ b/bsd-user/netbsd/target_os_thread.h
@@ -0,0 +1,25 @@
+/*
+ * NetBSD thread dependent code and definitions
+ *
+ * Copyright (c) 2013 Stacey D. Son
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TARGET_OS_THREAD_H_
+#define _TARGET_OS_THREAD_H_
+
+#include "target_arch_thread.h"
+
+#endif /* !_TARGET_OS_THREAD_H_ */
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-27 03:21:38 +0200