diff options
| -rw-r--r-- | bsd-user/elfload.c | 10 | ||||
| -rw-r--r-- | bsd-user/freebsd/strace.list | 1 | ||||
| -rw-r--r-- | bsd-user/i386/syscall.h | 14 | ||||
| -rw-r--r-- | bsd-user/main.c | 116 | ||||
| -rw-r--r-- | bsd-user/qemu.h | 6 | ||||
| -rw-r--r-- | bsd-user/syscall.c | 295 | ||||
| -rw-r--r-- | bsd-user/syscall_defs.h | 6 | ||||
| -rw-r--r-- | bsd-user/x86_64/syscall.h | 18 | ||||
| -rw-r--r-- | cpu-exec.c | 27 |
9 files changed, 462 insertions, 31 deletions
diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c index 8ac14b7..7374912 100644 --- a/bsd-user/elfload.c +++ b/bsd-user/elfload.c @@ -126,6 +126,9 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i regs->rax = 0; regs->rsp = infop->start_stack; regs->rip = infop->entry; + if (bsd_type == target_freebsd) { + regs->rdi = infop->start_stack; + } } #else @@ -249,8 +252,13 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i #else if (personality(infop->personality) == PER_LINUX32) regs->u_regs[14] = infop->start_stack - 16 * 4; - else + else { regs->u_regs[14] = infop->start_stack - 16 * 8 - STACK_BIAS; + if (bsd_type == target_freebsd) { + regs->u_regs[8] = infop->start_stack; + regs->u_regs[11] = infop->start_stack; + } + } #endif } diff --git a/bsd-user/freebsd/strace.list b/bsd-user/freebsd/strace.list index f4ad052..1edf412 100644 --- a/bsd-user/freebsd/strace.list +++ b/bsd-user/freebsd/strace.list @@ -39,6 +39,7 @@ { TARGET_FREEBSD_NR_ftruncate, "ftruncate", NULL, NULL, NULL }, { TARGET_FREEBSD_NR_futimes, "futimes", NULL, NULL, NULL }, { TARGET_FREEBSD_NR_getdirentries, "getdirentries", NULL, NULL, NULL }, +{ TARGET_FREEBSD_NR_freebsd6_mmap, "freebsd6_mmap", NULL, NULL, NULL }, { TARGET_FREEBSD_NR_getegid, "getegid", "%s()", NULL, NULL }, { TARGET_FREEBSD_NR_geteuid, "geteuid", "%s()", NULL, NULL }, { TARGET_FREEBSD_NR_getfh, "getfh", NULL, NULL, NULL }, diff --git a/bsd-user/i386/syscall.h b/bsd-user/i386/syscall.h index cf53fba..9b34c61 100644 --- a/bsd-user/i386/syscall.h +++ b/bsd-user/i386/syscall.h @@ -143,5 +143,19 @@ struct target_vm86plus_struct { struct target_vm86plus_info_struct vm86plus; }; +/* FreeBSD sysarch(2) */ +#define TARGET_FREEBSD_I386_GET_LDT 0 +#define TARGET_FREEBSD_I386_SET_LDT 1 + /* I386_IOPL */ +#define TARGET_FREEBSD_I386_GET_IOPERM 3 +#define TARGET_FREEBSD_I386_SET_IOPERM 4 + /* xxxxx */ +#define TARGET_FREEBSD_I386_VM86 6 +#define TARGET_FREEBSD_I386_GET_FSBASE 7 +#define TARGET_FREEBSD_I386_SET_FSBASE 8 +#define TARGET_FREEBSD_I386_GET_GSBASE 9 +#define TARGET_FREEBSD_I386_SET_GSBASE 10 + + #define UNAME_MACHINE "i386" diff --git a/bsd-user/main.c b/bsd-user/main.c index 1bba2b5..19b7f3a 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -46,6 +46,7 @@ int have_guest_base; static const char *interp_prefix = CONFIG_QEMU_PREFIX; const char *qemu_uname_release = CONFIG_UNAME_RELEASE; extern char **environ; +enum BSDType bsd_type; /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so we allocate a bigger stack. Need a better solution, for example @@ -168,7 +169,7 @@ static void set_idt(int n, unsigned int dpl) } #endif -void cpu_loop(CPUX86State *env, enum BSDType bsd_type) +void cpu_loop(CPUX86State *env) { int trapnr; abi_ulong pc; @@ -179,27 +180,90 @@ void cpu_loop(CPUX86State *env, enum BSDType bsd_type) switch(trapnr) { case 0x80: /* syscall from int $0x80 */ - env->regs[R_EAX] = do_openbsd_syscall(env, - env->regs[R_EAX], - env->regs[R_EBX], - env->regs[R_ECX], - env->regs[R_EDX], - env->regs[R_ESI], - env->regs[R_EDI], - env->regs[R_EBP]); + if (bsd_type == target_freebsd) { + abi_ulong params = (abi_ulong) env->regs[R_ESP] + + sizeof(int32_t); + int32_t syscall_nr = env->regs[R_EAX]; + int32_t arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8; + + if (syscall_nr == TARGET_FREEBSD_NR_syscall) { + get_user_s32(syscall_nr, params); + params += sizeof(int32_t); + } else if (syscall_nr == TARGET_FREEBSD_NR___syscall) { + get_user_s32(syscall_nr, params); + params += sizeof(int64_t); + } + get_user_s32(arg1, params); + params += sizeof(int32_t); + get_user_s32(arg2, params); + params += sizeof(int32_t); + get_user_s32(arg3, params); + params += sizeof(int32_t); + get_user_s32(arg4, params); + params += sizeof(int32_t); + get_user_s32(arg5, params); + params += sizeof(int32_t); + get_user_s32(arg6, params); + params += sizeof(int32_t); + get_user_s32(arg7, params); + params += sizeof(int32_t); + get_user_s32(arg8, params); + env->regs[R_EAX] = do_freebsd_syscall(env, + syscall_nr, + arg1, + arg2, + arg3, + arg4, + arg5, + arg6, + arg7, + arg8); + } else { //if (bsd_type == target_openbsd) + env->regs[R_EAX] = do_openbsd_syscall(env, + env->regs[R_EAX], + env->regs[R_EBX], + env->regs[R_ECX], + env->regs[R_EDX], + env->regs[R_ESI], + env->regs[R_EDI], + env->regs[R_EBP]); + } + if (((abi_ulong)env->regs[R_EAX]) >= (abi_ulong)(-515)) { + env->regs[R_EAX] = -env->regs[R_EAX]; + env->eflags |= CC_C; + } else { + env->eflags &= ~CC_C; + } break; #ifndef TARGET_ABI32 case EXCP_SYSCALL: - /* linux syscall from syscall intruction */ - env->regs[R_EAX] = do_openbsd_syscall(env, - env->regs[R_EAX], - env->regs[R_EDI], - env->regs[R_ESI], - env->regs[R_EDX], - env->regs[10], - env->regs[8], - env->regs[9]); + /* syscall from syscall intruction */ + if (bsd_type == target_freebsd) + env->regs[R_EAX] = do_freebsd_syscall(env, + env->regs[R_EAX], + env->regs[R_EDI], + env->regs[R_ESI], + env->regs[R_EDX], + env->regs[R_ECX], + env->regs[8], + env->regs[9], 0, 0); + else { //if (bsd_type == target_openbsd) + env->regs[R_EAX] = do_openbsd_syscall(env, + env->regs[R_EAX], + env->regs[R_EDI], + env->regs[R_ESI], + env->regs[R_EDX], + env->regs[10], + env->regs[8], + env->regs[9]); + } env->eip = env->exception_next_eip; + if (((abi_ulong)env->regs[R_EAX]) >= (abi_ulong)(-515)) { + env->regs[R_EAX] = -env->regs[R_EAX]; + env->eflags |= CC_C; + } else { + env->eflags &= ~CC_C; + } break; #endif #if 0 @@ -446,7 +510,7 @@ static void flush_windows(CPUSPARCState *env) #endif } -void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type) +void cpu_loop(CPUSPARCState *env) { int trapnr, ret, syscall_nr; //target_siginfo_t info; @@ -458,6 +522,10 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type) #ifndef TARGET_SPARC64 case 0x80: #else + /* FreeBSD uses 0x141 for syscalls too */ + case 0x141: + if (bsd_type != target_freebsd) + goto badtrap; case 0x100: #endif syscall_nr = env->gregs[1]; @@ -465,7 +533,7 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type) ret = do_freebsd_syscall(env, syscall_nr, env->regwptr[0], env->regwptr[1], env->regwptr[2], env->regwptr[3], - env->regwptr[4], env->regwptr[5]); + env->regwptr[4], env->regwptr[5], 0, 0); else if (bsd_type == target_netbsd) ret = do_netbsd_syscall(env, syscall_nr, env->regwptr[0], env->regwptr[1], @@ -482,6 +550,7 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type) env->regwptr[4], env->regwptr[5]); } if ((unsigned int)ret >= (unsigned int)(-515)) { + ret = -ret; #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) env->xcc |= PSR_CARRY; #else @@ -587,6 +656,9 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type) } break; default: +#ifdef TARGET_SPARC64 + badtrap: +#endif printf ("Unhandled trap: 0x%x\n", trapnr); cpu_dump_state(env, stderr, fprintf, 0); exit (1); @@ -668,7 +740,7 @@ int main(int argc, char **argv) int gdbstub_port = 0; char **target_environ, **wrk; envlist_t *envlist = NULL; - enum BSDType bsd_type = target_openbsd; + bsd_type = target_openbsd; if (argc <= 1) usage(); @@ -1033,7 +1105,7 @@ int main(int argc, char **argv) gdbserver_start (gdbstub_port); gdb_handlesig(env, 0); } - cpu_loop(env, bsd_type); + cpu_loop(env); /* never exits */ return 0; } diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index 9f4cd1b..554ff8b 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -18,6 +18,7 @@ enum BSDType { target_netbsd, target_openbsd, }; +extern enum BSDType bsd_type; #include "syscall_defs.h" #include "syscall.h" @@ -130,7 +131,8 @@ abi_long do_brk(abi_ulong new_brk); void syscall_init(void); abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4, - abi_long arg5, abi_long arg6); + abi_long arg5, abi_long arg6, abi_long arg7, + abi_long arg8); abi_long do_netbsd_syscall(void *cpu_env, int num, abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6); @@ -139,7 +141,7 @@ abi_long do_openbsd_syscall(void *cpu_env, int num, abi_long arg1, abi_long arg5, abi_long arg6); void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2))); extern THREAD CPUState *thread_env; -void cpu_loop(CPUState *env, enum BSDType bsd_type); +void cpu_loop(CPUState *env); char *target_strerror(int err); int get_osversion(void); void fork_start(void); diff --git a/bsd-user/syscall.c b/bsd-user/syscall.c index 3cff357..c77586e 100644 --- a/bsd-user/syscall.c +++ b/bsd-user/syscall.c @@ -29,6 +29,7 @@ #include <sys/types.h> #include <sys/mman.h> #include <sys/syscall.h> +#include <sys/sysctl.h> #include <signal.h> #include <utime.h> @@ -40,20 +41,283 @@ static abi_ulong target_brk; static abi_ulong target_original_brk; -#define get_errno(x) (x) +static inline abi_long get_errno(abi_long ret) +{ + if (ret == -1) + /* XXX need to translate host -> target errnos here */ + return -(errno); + else + return ret; +} + #define target_to_host_bitmask(x, tbl) (x) +static inline int is_error(abi_long ret) +{ + return (abi_ulong)ret >= (abi_ulong)(-4096); +} + void target_set_brk(abi_ulong new_brk) { target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); } +/* do_obreak() must return target errnos. */ +static abi_long do_obreak(abi_ulong new_brk) +{ + abi_ulong brk_page; + abi_long mapped_addr; + int new_alloc_size; + + if (!new_brk) + return 0; + if (new_brk < target_original_brk) + return -TARGET_EINVAL; + + brk_page = HOST_PAGE_ALIGN(target_brk); + + /* If the new brk is less than this, set it and we're done... */ + if (new_brk < brk_page) { + target_brk = new_brk; + return 0; + } + + /* We need to allocate more memory after the brk... */ + new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); + mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, + PROT_READ|PROT_WRITE, + MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0)); + + if (!is_error(mapped_addr)) + target_brk = new_brk; + else + return mapped_addr; + + return 0; +} + +#if defined(TARGET_I386) +static abi_long do_freebsd_sysarch(CPUX86State *env, int op, abi_ulong parms) +{ + abi_long ret = 0; + abi_ulong val; + int idx; + + switch(op) { +#ifdef TARGET_ABI32 + case TARGET_FREEBSD_I386_SET_GSBASE: + case TARGET_FREEBSD_I386_SET_FSBASE: + if (op == TARGET_FREEBSD_I386_SET_GSBASE) +#else + case TARGET_FREEBSD_AMD64_SET_GSBASE: + case TARGET_FREEBSD_AMD64_SET_FSBASE: + if (op == TARGET_FREEBSD_AMD64_SET_GSBASE) +#endif + idx = R_GS; + else + idx = R_FS; + if (get_user(val, parms, abi_ulong)) + return -TARGET_EFAULT; + cpu_x86_load_seg(env, idx, 0); + env->segs[idx].base = val; + break; +#ifdef TARGET_ABI32 + case TARGET_FREEBSD_I386_GET_GSBASE: + case TARGET_FREEBSD_I386_GET_FSBASE: + if (op == TARGET_FREEBSD_I386_GET_GSBASE) +#else + case TARGET_FREEBSD_AMD64_GET_GSBASE: + case TARGET_FREEBSD_AMD64_GET_FSBASE: + if (op == TARGET_FREEBSD_AMD64_GET_GSBASE) +#endif + idx = R_GS; + else + idx = R_FS; + val = env->segs[idx].base; + if (put_user(val, parms, abi_ulong)) + return -TARGET_EFAULT; + break; + /* XXX handle the others... */ + default: + ret = -TARGET_EINVAL; + break; + } + return ret; +} +#endif + +#ifdef TARGET_SPARC +static abi_long do_freebsd_sysarch(void *env, int op, abi_ulong parms) +{ + /* XXX handle + * TARGET_FREEBSD_SPARC_UTRAP_INSTALL, + * TARGET_FREEBSD_SPARC_SIGTRAMP_INSTALL + */ + return -TARGET_EINVAL; +} +#endif + +#ifdef __FreeBSD__ +/* + * XXX this uses the undocumented oidfmt interface to find the kind of + * a requested sysctl, see /sys/kern/kern_sysctl.c:sysctl_sysctl_oidfmt() + * (this is mostly copied from src/sbin/sysctl/sysctl.c) + */ +static int +oidfmt(int *oid, int len, char *fmt, uint32_t *kind) +{ + int qoid[CTL_MAXNAME+2]; + uint8_t buf[BUFSIZ]; + int i; + size_t j; + + qoid[0] = 0; + qoid[1] = 4; + memcpy(qoid + 2, oid, len * sizeof(int)); + + j = sizeof(buf); + i = sysctl(qoid, len + 2, buf, &j, 0, 0); + if (i) + return i; + + if (kind) + *kind = *(uint32_t *)buf; + + if (fmt) + strcpy(fmt, (char *)(buf + sizeof(uint32_t))); + return (0); +} + +/* + * try and convert sysctl return data for the target. + * XXX doesn't handle CTLTYPE_OPAQUE and CTLTYPE_STRUCT. + */ +static int sysctl_oldcvt(void *holdp, size_t holdlen, uint32_t kind) +{ + switch (kind & CTLTYPE) { + case CTLTYPE_INT: + case CTLTYPE_UINT: + *(uint32_t *)holdp = tswap32(*(uint32_t *)holdp); + break; +#ifdef TARGET_ABI32 + case CTLTYPE_LONG: + case CTLTYPE_ULONG: + *(uint32_t *)holdp = tswap32(*(long *)holdp); + break; +#else + case CTLTYPE_LONG: + *(uint64_t *)holdp = tswap64(*(long *)holdp); + case CTLTYPE_ULONG: + *(uint64_t *)holdp = tswap64(*(unsigned long *)holdp); + break; +#endif + case CTLTYPE_QUAD: + *(uint64_t *)holdp = tswap64(*(uint64_t *)holdp); + break; + case CTLTYPE_STRING: + break; + default: + /* XXX unhandled */ + return -1; + } + return 0; +} + +/* XXX this needs to be emulated on non-FreeBSD hosts... */ +static abi_long do_freebsd_sysctl(abi_ulong namep, int32_t namelen, abi_ulong oldp, + abi_ulong oldlenp, abi_ulong newp, abi_ulong newlen) +{ + abi_long ret; + void *hnamep, *holdp, *hnewp = NULL; + size_t holdlen; + abi_ulong oldlen = 0; + int32_t *snamep = qemu_malloc(sizeof(int32_t) * namelen), *p, *q, i; + uint32_t kind = 0; + + if (oldlenp) + get_user_ual(oldlen, oldlenp); + if (!(hnamep = lock_user(VERIFY_READ, namep, namelen, 1))) + return -TARGET_EFAULT; + if (newp && !(hnewp = lock_user(VERIFY_READ, newp, newlen, 1))) + return -TARGET_EFAULT; + if (!(holdp = lock_user(VERIFY_WRITE, oldp, oldlen, 0))) + return -TARGET_EFAULT; + holdlen = oldlen; + for (p = hnamep, q = snamep, i = 0; i < namelen; p++, i++) + *q++ = tswap32(*p); + oidfmt(snamep, namelen, NULL, &kind); + /* XXX swap hnewp */ + ret = get_errno(sysctl(snamep, namelen, holdp, &holdlen, hnewp, newlen)); + if (!ret) + sysctl_oldcvt(holdp, holdlen, kind); + put_user_ual(holdlen, oldlenp); + unlock_user(hnamep, namep, 0); + unlock_user(holdp, oldp, holdlen); + if (hnewp) + unlock_user(hnewp, newp, 0); + qemu_free(snamep); + return ret; +} +#endif + +/* FIXME + * lock_iovec()/unlock_iovec() have a return code of 0 for success where + * other lock functions have a return code of 0 for failure. + */ +static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, + int count, int copy) +{ + struct target_iovec *target_vec; + abi_ulong base; + int i; + + target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); + if (!target_vec) + return -TARGET_EFAULT; + for(i = 0;i < count; i++) { + base = tswapl(target_vec[i].iov_base); + vec[i].iov_len = tswapl(target_vec[i].iov_len); + if (vec[i].iov_len != 0) { + vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); + /* Don't check lock_user return value. We must call writev even + if a element has invalid base address. */ + } else { + /* zero length pointer is ignored */ + vec[i].iov_base = NULL; + } + } + unlock_user (target_vec, target_addr, 0); + return 0; +} + +static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr, + int count, int copy) +{ + struct target_iovec *target_vec; + abi_ulong base; + int i; + + target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); + if (!target_vec) + return -TARGET_EFAULT; + for(i = 0;i < count; i++) { + if (target_vec[i].iov_base) { + base = tswapl(target_vec[i].iov_base); + unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); + } + } + unlock_user (target_vec, target_addr, 0); + + return 0; +} + /* do_syscall() should always have a single exit point at the end so that actions, such as logging of syscall results, can be performed. All errnos that do_syscall() returns must be -TARGET_<errcode>. */ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4, - abi_long arg5, abi_long arg6) + abi_long arg5, abi_long arg6, abi_long arg7, + abi_long arg8) { abi_long ret; void *p; @@ -86,6 +350,18 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(write(arg1, p, arg3)); unlock_user(p, arg2, 0); break; + case TARGET_FREEBSD_NR_writev: + { + int count = arg3; + struct iovec *vec; + + vec = alloca(count * sizeof(struct iovec)); + if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0) + goto efault; + ret = get_errno(writev(arg1, vec, count)); + unlock_iovec(vec, arg2, count, 0); + } + break; case TARGET_FREEBSD_NR_open: if (!(p = lock_user_string(arg1))) goto efault; @@ -103,12 +379,23 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_FREEBSD_NR_mprotect: ret = get_errno(target_mprotect(arg1, arg2, arg3)); break; + case TARGET_FREEBSD_NR_break: + ret = do_obreak(arg1); + break; +#ifdef __FreeBSD__ + case TARGET_FREEBSD_NR___sysctl: + ret = do_freebsd_sysctl(arg1, arg2, arg3, arg4, arg5, arg6); + break; +#endif + case TARGET_FREEBSD_NR_sysarch: + ret = do_freebsd_sysarch(cpu_env, arg1, arg2); + break; case TARGET_FREEBSD_NR_syscall: case TARGET_FREEBSD_NR___syscall: - ret = do_freebsd_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); + ret = do_freebsd_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,arg7,arg8,0); break; default: - ret = syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); + ret = get_errno(syscall(num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8)); break; } fail: diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index 4a65863..207ddee 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -106,3 +106,9 @@ #include "freebsd/syscall_nr.h" #include "netbsd/syscall_nr.h" #include "openbsd/syscall_nr.h" + +struct target_iovec { + abi_long iov_base; /* Starting address */ + abi_long iov_len; /* Number of bytes */ +}; + diff --git a/bsd-user/x86_64/syscall.h b/bsd-user/x86_64/syscall.h index 2a8d696..5f71b7c 100644 --- a/bsd-user/x86_64/syscall.h +++ b/bsd-user/x86_64/syscall.h @@ -90,6 +90,24 @@ struct target_msqid64_ds { abi_ulong __unused5; }; +/* FreeBSD sysarch(2) */ +#define TARGET_FREEBSD_I386_GET_LDT 0 +#define TARGET_FREEBSD_I386_SET_LDT 1 + /* I386_IOPL */ +#define TARGET_FREEBSD_I386_GET_IOPERM 3 +#define TARGET_FREEBSD_I386_SET_IOPERM 4 + /* xxxxx */ +#define TARGET_FREEBSD_I386_GET_FSBASE 7 +#define TARGET_FREEBSD_I386_SET_FSBASE 8 +#define TARGET_FREEBSD_I386_GET_GSBASE 9 +#define TARGET_FREEBSD_I386_SET_GSBASE 10 + +#define TARGET_FREEBSD_AMD64_GET_FSBASE 128 +#define TARGET_FREEBSD_AMD64_SET_FSBASE 129 +#define TARGET_FREEBSD_AMD64_GET_GSBASE 130 +#define TARGET_FREEBSD_AMD64_SET_GSBASE 131 + + #define UNAME_MACHINE "x86_64" #define TARGET_ARCH_SET_GS 0x1001 @@ -805,6 +805,20 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address, # define TRAP_sig(context) ((context)->uc_mcontext->es.trapno) # define ERROR_sig(context) ((context)->uc_mcontext->es.err) # define MASK_sig(context) ((context)->uc_sigmask) +#elif defined (__NetBSD__) +# include <ucontext.h> + +# define EIP_sig(context) ((context)->uc_mcontext.__gregs[_REG_EIP]) +# define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO]) +# define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR]) +# define MASK_sig(context) ((context)->uc_sigmask) +#elif defined (__FreeBSD__) || defined(__DragonFly__) +# include <ucontext.h> + +# define EIP_sig(context) (*((unsigned long*)&(context)->uc_mcontext.mc_eip)) +# define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) +# define ERROR_sig(context) ((context)->uc_mcontext.mc_err) +# define MASK_sig(context) ((context)->uc_sigmask) #elif defined(__OpenBSD__) # define EIP_sig(context) ((context)->sc_eip) # define TRAP_sig(context) ((context)->sc_trapno) @@ -821,7 +835,9 @@ int cpu_signal_handler(int host_signum, void *pinfo, void *puc) { siginfo_t *info = pinfo; -#if defined(__OpenBSD__) +#if defined(__NetBSD__) || defined (__FreeBSD__) || defined(__DragonFly__) + ucontext_t *uc = puc; +#elif defined(__OpenBSD__) struct sigcontext *uc = puc; #else struct ucontext *uc = puc; @@ -855,6 +871,13 @@ int cpu_signal_handler(int host_signum, void *pinfo, #define TRAP_sig(context) ((context)->sc_trapno) #define ERROR_sig(context) ((context)->sc_err) #define MASK_sig(context) ((context)->sc_mask) +#elif defined (__FreeBSD__) || defined(__DragonFly__) +#include <ucontext.h> + +#define PC_sig(context) (*((unsigned long*)&(context)->uc_mcontext.mc_rip)) +#define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) +#define ERROR_sig(context) ((context)->uc_mcontext.mc_err) +#define MASK_sig(context) ((context)->uc_sigmask) #else #define PC_sig(context) ((context)->uc_mcontext.gregs[REG_RIP]) #define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO]) @@ -867,7 +890,7 @@ int cpu_signal_handler(int host_signum, void *pinfo, { siginfo_t *info = pinfo; unsigned long pc; -#ifdef __NetBSD__ +#if defined(__NetBSD__) || defined (__FreeBSD__) || defined(__DragonFly__) ucontext_t *uc = puc; #elif defined(__OpenBSD__) struct sigcontext *uc = puc; |