diff options
Diffstat (limited to 'arch/um/include/sysdep-x86_64')
-rw-r--r-- | arch/um/include/sysdep-x86_64/checksum.h | 151 | ||||
-rw-r--r-- | arch/um/include/sysdep-x86_64/ptrace.h | 264 | ||||
-rw-r--r-- | arch/um/include/sysdep-x86_64/ptrace_user.h | 69 | ||||
-rw-r--r-- | arch/um/include/sysdep-x86_64/sigcontext.h | 49 | ||||
-rw-r--r-- | arch/um/include/sysdep-x86_64/signal.h | 27 | ||||
-rw-r--r-- | arch/um/include/sysdep-x86_64/syscalls.h | 91 |
6 files changed, 651 insertions, 0 deletions
diff --git a/arch/um/include/sysdep-x86_64/checksum.h b/arch/um/include/sysdep-x86_64/checksum.h new file mode 100644 index 0000000..572c6c1 --- /dev/null +++ b/arch/um/include/sysdep-x86_64/checksum.h @@ -0,0 +1,151 @@ +/* + * Licensed under the GPL + */ + +#ifndef __UM_SYSDEP_CHECKSUM_H +#define __UM_SYSDEP_CHECKSUM_H + +#include "linux/string.h" +#include "linux/in6.h" +#include "asm/uaccess.h" + +extern unsigned int csum_partial_copy_from(const unsigned char *src, unsigned char *dst, int len, + int sum, int *err_ptr); +extern unsigned csum_partial(const unsigned char *buff, unsigned len, + unsigned sum); + +/* + * Note: when you get a NULL pointer exception here this means someone + * passed in an incorrect kernel address to one of these functions. + * + * If you use these functions directly please don't forget the + * access_ok(). + */ + +static __inline__ +unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char *dst, + int len, int sum) +{ + memcpy(dst, src, len); + return(csum_partial(dst, len, sum)); +} + +static __inline__ +unsigned int csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, + int len, int sum, int *err_ptr) +{ + return csum_partial_copy_from(src, dst, len, sum, err_ptr); +} + +/** + * csum_fold - Fold and invert a 32bit checksum. + * sum: 32bit unfolded sum + * + * Fold a 32bit running checksum to 16bit and invert it. This is usually + * the last step before putting a checksum into a packet. + * Make sure not to mix with 64bit checksums. + */ +static inline unsigned int csum_fold(unsigned int sum) +{ + __asm__( + " addl %1,%0\n" + " adcl $0xffff,%0" + : "=r" (sum) + : "r" (sum << 16), "0" (sum & 0xffff0000) + ); + return (~sum) >> 16; +} + +/** + * csum_tcpup_nofold - Compute an IPv4 pseudo header checksum. + * @saddr: source address + * @daddr: destination address + * @len: length of packet + * @proto: ip protocol of packet + * @sum: initial sum to be added in (32bit unfolded) + * + * Returns the pseudo header checksum the input data. Result is + * 32bit unfolded. + */ +static inline unsigned long +csum_tcpudp_nofold(unsigned saddr, unsigned daddr, unsigned short len, + unsigned short proto, unsigned int sum) +{ + asm(" addl %1, %0\n" + " adcl %2, %0\n" + " adcl %3, %0\n" + " adcl $0, %0\n" + : "=r" (sum) + : "g" (daddr), "g" (saddr), "g" ((ntohs(len)<<16)+proto*256), "0" (sum)); + return sum; +} + +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +static inline unsigned short int csum_tcpudp_magic(unsigned long saddr, + unsigned long daddr, + unsigned short len, + unsigned short proto, + unsigned int sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); +} + +/** + * ip_fast_csum - Compute the IPv4 header checksum efficiently. + * iph: ipv4 header + * ihl: length of header / 4 + */ +static inline unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) +{ + unsigned int sum; + + asm( " movl (%1), %0\n" + " subl $4, %2\n" + " jbe 2f\n" + " addl 4(%1), %0\n" + " adcl 8(%1), %0\n" + " adcl 12(%1), %0\n" + "1: adcl 16(%1), %0\n" + " lea 4(%1), %1\n" + " decl %2\n" + " jne 1b\n" + " adcl $0, %0\n" + " movl %0, %2\n" + " shrl $16, %0\n" + " addw %w2, %w0\n" + " adcl $0, %0\n" + " notl %0\n" + "2:" + /* Since the input registers which are loaded with iph and ipl + are modified, we must also specify them as outputs, or gcc + will assume they contain their original values. */ + : "=r" (sum), "=r" (iph), "=r" (ihl) + : "1" (iph), "2" (ihl) + : "memory"); + return(sum); +} + +static inline unsigned add32_with_carry(unsigned a, unsigned b) +{ + asm("addl %2,%0\n\t" + "adcl $0,%0" + : "=r" (a) + : "0" (a), "r" (b)); + return a; +} + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h new file mode 100644 index 0000000..915c82d --- /dev/null +++ b/arch/um/include/sysdep-x86_64/ptrace.h @@ -0,0 +1,264 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_PTRACE_H +#define __SYSDEP_X86_64_PTRACE_H + +#include "uml-config.h" +#include "user_constants.h" + +#define MAX_REG_OFFSET (UM_FRAME_SIZE) +#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) + +#ifdef UML_CONFIG_MODE_TT +#include "sysdep/sc.h" +#endif + +#ifdef UML_CONFIG_MODE_SKAS +#include "skas_ptregs.h" + +#define REGS_IP(r) ((r)[HOST_IP]) +#define REGS_SP(r) ((r)[HOST_SP]) + +#define REGS_RBX(r) ((r)[HOST_RBX]) +#define REGS_RCX(r) ((r)[HOST_RCX]) +#define REGS_RDX(r) ((r)[HOST_RDX]) +#define REGS_RSI(r) ((r)[HOST_RSI]) +#define REGS_RDI(r) ((r)[HOST_RDI]) +#define REGS_RBP(r) ((r)[HOST_RBP]) +#define REGS_RAX(r) ((r)[HOST_RAX]) +#define REGS_R8(r) ((r)[HOST_R8]) +#define REGS_R9(r) ((r)[HOST_R9]) +#define REGS_R10(r) ((r)[HOST_R10]) +#define REGS_R11(r) ((r)[HOST_R11]) +#define REGS_R12(r) ((r)[HOST_R12]) +#define REGS_R13(r) ((r)[HOST_R13]) +#define REGS_R14(r) ((r)[HOST_R14]) +#define REGS_R15(r) ((r)[HOST_R15]) +#define REGS_CS(r) ((r)[HOST_CS]) +#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) +#define REGS_SS(r) ((r)[HOST_SS]) + +#define HOST_FS_BASE 21 +#define HOST_GS_BASE 22 +#define HOST_DS 23 +#define HOST_ES 24 +#define HOST_FS 25 +#define HOST_GS 26 + +#define REGS_FS_BASE(r) ((r)[HOST_FS_BASE]) +#define REGS_GS_BASE(r) ((r)[HOST_GS_BASE]) +#define REGS_DS(r) ((r)[HOST_DS]) +#define REGS_ES(r) ((r)[HOST_ES]) +#define REGS_FS(r) ((r)[HOST_FS]) +#define REGS_GS(r) ((r)[HOST_GS]) + +#define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_RAX]) + +#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res) + +#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) + +#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type) + +#define REGS_FAULT_ADDR(r) ((r)->fault_addr) + +#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type) + +#define REGS_TRAP(r) ((r)->trap_type) + +#define REGS_ERR(r) ((r)->fault_type) + +#endif + +#include "choose-mode.h" + +/* XXX */ +union uml_pt_regs { +#ifdef UML_CONFIG_MODE_TT + struct tt_regs { + long syscall; + unsigned long orig_rax; + void *sc; + } tt; +#endif +#ifdef UML_CONFIG_MODE_SKAS + struct skas_regs { + /* XXX */ + unsigned long regs[27]; + unsigned long fp[65]; + unsigned long fault_addr; + unsigned long fault_type; + unsigned long trap_type; + long syscall; + int is_user; + } skas; +#endif +}; + +#define EMPTY_UML_PT_REGS { } + +/* XXX */ +extern int mode_tt; + +#define UPT_RBX(r) __CHOOSE_MODE(SC_RBX(UPT_SC(r)), REGS_RBX((r)->skas.regs)) +#define UPT_RCX(r) __CHOOSE_MODE(SC_RCX(UPT_SC(r)), REGS_RCX((r)->skas.regs)) +#define UPT_RDX(r) __CHOOSE_MODE(SC_RDX(UPT_SC(r)), REGS_RDX((r)->skas.regs)) +#define UPT_RSI(r) __CHOOSE_MODE(SC_RSI(UPT_SC(r)), REGS_RSI((r)->skas.regs)) +#define UPT_RDI(r) __CHOOSE_MODE(SC_RDI(UPT_SC(r)), REGS_RDI((r)->skas.regs)) +#define UPT_RBP(r) __CHOOSE_MODE(SC_RBP(UPT_SC(r)), REGS_RBP((r)->skas.regs)) +#define UPT_RAX(r) __CHOOSE_MODE(SC_RAX(UPT_SC(r)), REGS_RAX((r)->skas.regs)) +#define UPT_R8(r) __CHOOSE_MODE(SC_R8(UPT_SC(r)), REGS_R8((r)->skas.regs)) +#define UPT_R9(r) __CHOOSE_MODE(SC_R9(UPT_SC(r)), REGS_R9((r)->skas.regs)) +#define UPT_R10(r) __CHOOSE_MODE(SC_R10(UPT_SC(r)), REGS_R10((r)->skas.regs)) +#define UPT_R11(r) __CHOOSE_MODE(SC_R11(UPT_SC(r)), REGS_R11((r)->skas.regs)) +#define UPT_R12(r) __CHOOSE_MODE(SC_R12(UPT_SC(r)), REGS_R12((r)->skas.regs)) +#define UPT_R13(r) __CHOOSE_MODE(SC_R13(UPT_SC(r)), REGS_R13((r)->skas.regs)) +#define UPT_R14(r) __CHOOSE_MODE(SC_R14(UPT_SC(r)), REGS_R14((r)->skas.regs)) +#define UPT_R15(r) __CHOOSE_MODE(SC_R15(UPT_SC(r)), REGS_R15((r)->skas.regs)) +#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs)) +#define UPT_FS(r) __CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs)) +#define UPT_GS(r) __CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs)) +#define UPT_DS(r) __CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs)) +#define UPT_ES(r) __CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs)) +#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs)) +#define UPT_ORIG_RAX(r) \ + __CHOOSE_MODE((r)->tt.orig_rax, REGS_ORIG_RAX((r)->skas.regs)) + +#define UPT_IP(r) __CHOOSE_MODE(SC_IP(UPT_SC(r)), REGS_IP((r)->skas.regs)) +#define UPT_SP(r) __CHOOSE_MODE(SC_SP(UPT_SC(r)), REGS_SP((r)->skas.regs)) + +#define UPT_EFLAGS(r) \ + __CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs)) +#define UPT_SC(r) ((r)->tt.sc) +#define UPT_SYSCALL_NR(r) __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall) + +extern int user_context(unsigned long sp); + +#define UPT_IS_USER(r) \ + CHOOSE_MODE(user_context(UPT_SP(r)), (r)->skas.is_user) + +#define UPT_SYSCALL_ARG1(r) UPT_RDI(r) +#define UPT_SYSCALL_ARG2(r) UPT_RSI(r) +#define UPT_SYSCALL_ARG3(r) UPT_RDX(r) +#define UPT_SYSCALL_ARG4(r) UPT_R10(r) +#define UPT_SYSCALL_ARG5(r) UPT_R8(r) +#define UPT_SYSCALL_ARG6(r) UPT_R9(r) + +struct syscall_args { + unsigned long args[6]; +}; + +#define SYSCALL_ARGS(r) ((struct syscall_args) \ + { .args = { UPT_SYSCALL_ARG1(r), \ + UPT_SYSCALL_ARG2(r), \ + UPT_SYSCALL_ARG3(r), \ + UPT_SYSCALL_ARG4(r), \ + UPT_SYSCALL_ARG5(r), \ + UPT_SYSCALL_ARG6(r) } } ) + +#define UPT_REG(regs, reg) \ + ({ unsigned long val; \ + switch(reg){ \ + case R8: val = UPT_R8(regs); break; \ + case R9: val = UPT_R9(regs); break; \ + case R10: val = UPT_R10(regs); break; \ + case R11: val = UPT_R11(regs); break; \ + case R12: val = UPT_R12(regs); break; \ + case R13: val = UPT_R13(regs); break; \ + case R14: val = UPT_R14(regs); break; \ + case R15: val = UPT_R15(regs); break; \ + case RIP: val = UPT_IP(regs); break; \ + case RSP: val = UPT_SP(regs); break; \ + case RAX: val = UPT_RAX(regs); break; \ + case RBX: val = UPT_RBX(regs); break; \ + case RCX: val = UPT_RCX(regs); break; \ + case RDX: val = UPT_RDX(regs); break; \ + case RSI: val = UPT_RSI(regs); break; \ + case RDI: val = UPT_RDI(regs); break; \ + case RBP: val = UPT_RBP(regs); break; \ + case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \ + case CS: val = UPT_CS(regs); break; \ + case DS: val = UPT_DS(regs); break; \ + case ES: val = UPT_ES(regs); break; \ + case FS: val = UPT_FS(regs); break; \ + case GS: val = UPT_GS(regs); break; \ + case EFLAGS: val = UPT_EFLAGS(regs); break; \ + default : \ + panic("Bad register in UPT_REG : %d\n", reg); \ + val = -1; \ + } \ + val; \ + }) + + +#define UPT_SET(regs, reg, val) \ + ({ unsigned long val; \ + switch(reg){ \ + case R8: UPT_R8(regs) = val; break; \ + case R9: UPT_R9(regs) = val; break; \ + case R10: UPT_R10(regs) = val; break; \ + case R11: UPT_R11(regs) = val; break; \ + case R12: UPT_R12(regs) = val; break; \ + case R13: UPT_R13(regs) = val; break; \ + case R14: UPT_R14(regs) = val; break; \ + case R15: UPT_R15(regs) = val; break; \ + case RIP: UPT_IP(regs) = val; break; \ + case RSP: UPT_SP(regs) = val; break; \ + case RAX: UPT_RAX(regs) = val; break; \ + case RBX: UPT_RBX(regs) = val; break; \ + case RCX: UPT_RCX(regs) = val; break; \ + case RDX: UPT_RDX(regs) = val; break; \ + case RSI: UPT_RSI(regs) = val; break; \ + case RDI: UPT_RDI(regs) = val; break; \ + case RBP: UPT_RBP(regs) = val; break; \ + case ORIG_RAX: UPT_ORIG_RAX(regs) = val; break; \ + case CS: UPT_CS(regs) = val; break; \ + case DS: UPT_DS(regs) = val; break; \ + case ES: UPT_ES(regs) = val; break; \ + case FS: UPT_FS(regs) = val; break; \ + case GS: UPT_GS(regs) = val; break; \ + case EFLAGS: UPT_EFLAGS(regs) = val; break; \ + default : \ + panic("Bad register in UPT_SET : %d\n", reg); \ + break; \ + } \ + val; \ + }) + +#define UPT_SET_SYSCALL_RETURN(r, res) \ + CHOOSE_MODE(SC_SET_SYSCALL_RETURN(UPT_SC(r), (res)), \ + REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res))) + +#define UPT_RESTART_SYSCALL(r) \ + CHOOSE_MODE(SC_RESTART_SYSCALL(UPT_SC(r)), \ + REGS_RESTART_SYSCALL((r)->skas.regs)) + +#define UPT_SEGV_IS_FIXABLE(r) \ + CHOOSE_MODE(SC_SEGV_IS_FIXABLE(UPT_SC(r)), \ + REGS_SEGV_IS_FIXABLE(&r->skas)) + +#define UPT_FAULT_ADDR(r) \ + __CHOOSE_MODE(SC_FAULT_ADDR(UPT_SC(r)), REGS_FAULT_ADDR(&r->skas)) + +#define UPT_FAULT_WRITE(r) \ + CHOOSE_MODE(SC_FAULT_WRITE(UPT_SC(r)), REGS_FAULT_WRITE(&r->skas)) + +#define UPT_TRAP(r) __CHOOSE_MODE(SC_TRAP_TYPE(UPT_SC(r)), REGS_TRAP(&r->skas)) +#define UPT_ERR(r) __CHOOSE_MODE(SC_FAULT_TYPE(UPT_SC(r)), REGS_ERR(&r->skas)) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/sysdep-x86_64/ptrace_user.h b/arch/um/include/sysdep-x86_64/ptrace_user.h new file mode 100644 index 0000000..3172997 --- /dev/null +++ b/arch/um/include/sysdep-x86_64/ptrace_user.h @@ -0,0 +1,69 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_PTRACE_USER_H__ +#define __SYSDEP_X86_64_PTRACE_USER_H__ + +#define __FRAME_OFFSETS +#include <sys/ptrace.h> +#include <linux/ptrace.h> +#include <asm/ptrace.h> +#undef __FRAME_OFFSETS + +#define PT_INDEX(off) ((off) / sizeof(unsigned long)) + +#define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)]) +#define PT_SYSCALL_NR_OFFSET (ORIG_RAX) + +#define PT_SYSCALL_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)]) +#define PT_SYSCALL_ARG1_OFFSET (RDI) + +#define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)]) +#define PT_SYSCALL_ARG2_OFFSET (RSI) + +#define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)]) +#define PT_SYSCALL_ARG3_OFFSET (RDX) + +#define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)]) +#define PT_SYSCALL_ARG4_OFFSET (RCX) + +#define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)]) +#define PT_SYSCALL_ARG5_OFFSET (R8) + +#define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)]) +#define PT_SYSCALL_ARG6_OFFSET (R9) + +#define PT_SYSCALL_RET_OFFSET (RAX) + +#define PT_IP_OFFSET (RIP) +#define PT_IP(regs) ((regs)[PT_INDEX(RIP)]) + +#define PT_SP_OFFSET (RSP) +#define PT_SP(regs) ((regs)[PT_INDEX(RSP)]) + +#define PT_ORIG_RAX_OFFSET (ORIG_RAX) +#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)]) + +/* x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though + * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the + * 2.4 name and value for 2.4 host compatibility. + */ +#ifndef PTRACE_OLDSETOPTIONS +#define PTRACE_OLDSETOPTIONS 21 +#endif + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/sysdep-x86_64/sigcontext.h b/arch/um/include/sysdep-x86_64/sigcontext.h new file mode 100644 index 0000000..1e38a54 --- /dev/null +++ b/arch/um/include/sysdep-x86_64/sigcontext.h @@ -0,0 +1,49 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_SIGCONTEXT_H +#define __SYSDEP_X86_64_SIGCONTEXT_H + +#include <sysdep/sc.h> + +#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) + +#define SC_RESTART_SYSCALL(sc) IP_RESTART_SYSCALL(SC_IP(sc)) +#define SC_SET_SYSCALL_RETURN(sc, result) SC_RAX(sc) = (result) + +#define SC_FAULT_ADDR(sc) SC_CR2(sc) +#define SC_FAULT_TYPE(sc) SC_ERR(sc) + +#define FAULT_WRITE(err) ((err) & 2) + +#define SC_FAULT_WRITE(sc) FAULT_WRITE(SC_FAULT_TYPE(sc)) + +#define SC_TRAP_TYPE(sc) SC_TRAPNO(sc) + +/* ptrace expects that, at the start of a system call, %eax contains + * -ENOSYS, so this makes it so. + */ + +#define SC_START_SYSCALL(sc) do SC_RAX(sc) = -ENOSYS; while(0) + +#define SEGV_IS_FIXABLE(trap) ((trap) == 14) +#define SC_SEGV_IS_FIXABLE(sc) SEGV_IS_FIXABLE(SC_TRAP_TYPE(sc)) + +extern unsigned long *sc_sigmask(void *sc_ptr); + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ + diff --git a/arch/um/include/sysdep-x86_64/signal.h b/arch/um/include/sysdep-x86_64/signal.h new file mode 100644 index 0000000..e5e5275 --- /dev/null +++ b/arch/um/include/sysdep-x86_64/signal.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2004 PathScale, Inc + * Licensed under the GPL + */ + +#ifndef __X86_64_SIGNAL_H_ +#define __X86_64_SIGNAL_H_ + +#define ARCH_GET_SIGCONTEXT(sc, sig_addr) \ + do { \ + struct ucontext *__uc; \ + asm("movq %%rdx, %0" : "=r" (__uc)); \ + sc = (struct sigcontext *) &__uc->uc_mcontext; \ + } while(0) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/sysdep-x86_64/syscalls.h b/arch/um/include/sysdep-x86_64/syscalls.h new file mode 100644 index 0000000..b187a41 --- /dev/null +++ b/arch/um/include/sysdep-x86_64/syscalls.h @@ -0,0 +1,91 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_SYSCALLS_H__ +#define __SYSDEP_X86_64_SYSCALLS_H__ + +#include <linux/msg.h> +#include <linux/shm.h> + +typedef long syscall_handler_t(void); + +extern syscall_handler_t *ia32_sys_call_table[]; + +#define EXECUTE_SYSCALL(syscall, regs) \ + (((long (*)(long, long, long, long, long, long)) \ + (*sys_call_table[syscall]))(UPT_SYSCALL_ARG1(®s->regs), \ + UPT_SYSCALL_ARG2(®s->regs), \ + UPT_SYSCALL_ARG3(®s->regs), \ + UPT_SYSCALL_ARG4(®s->regs), \ + UPT_SYSCALL_ARG5(®s->regs), \ + UPT_SYSCALL_ARG6(®s->regs))) + +extern long old_mmap(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +extern syscall_handler_t wrap_sys_shmat; +extern syscall_handler_t sys_modify_ldt; +extern syscall_handler_t sys_arch_prctl; + +#define ARCH_SYSCALLS \ + [ __NR_mmap ] = (syscall_handler_t *) old_mmap, \ + [ __NR_select ] = (syscall_handler_t *) sys_select, \ + [ __NR_mincore ] = (syscall_handler_t *) sys_mincore, \ + [ __NR_madvise ] = (syscall_handler_t *) sys_madvise, \ + [ __NR_shmget ] = (syscall_handler_t *) sys_shmget, \ + [ __NR_shmat ] = (syscall_handler_t *) wrap_sys_shmat, \ + [ __NR_shmctl ] = (syscall_handler_t *) sys_shmctl, \ + [ __NR_semop ] = (syscall_handler_t *) sys_semop, \ + [ __NR_semget ] = (syscall_handler_t *) sys_semget, \ + [ __NR_semctl ] = (syscall_handler_t *) sys_semctl, \ + [ __NR_shmdt ] = (syscall_handler_t *) sys_shmdt, \ + [ __NR_msgget ] = (syscall_handler_t *) sys_msgget, \ + [ __NR_msgsnd ] = (syscall_handler_t *) sys_msgsnd, \ + [ __NR_msgrcv ] = (syscall_handler_t *) sys_msgrcv, \ + [ __NR_msgctl ] = (syscall_handler_t *) sys_msgctl, \ + [ __NR_pivot_root ] = (syscall_handler_t *) sys_pivot_root, \ + [ __NR_tuxcall ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_security ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_epoll_ctl_old ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_epoll_wait_old ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_modify_ldt ] = (syscall_handler_t *) sys_modify_ldt, \ + [ __NR_arch_prctl ] = (syscall_handler_t *) sys_arch_prctl, \ + [ __NR_socket ] = (syscall_handler_t *) sys_socket, \ + [ __NR_connect ] = (syscall_handler_t *) sys_connect, \ + [ __NR_accept ] = (syscall_handler_t *) sys_accept, \ + [ __NR_recvfrom ] = (syscall_handler_t *) sys_recvfrom, \ + [ __NR_recvmsg ] = (syscall_handler_t *) sys_recvmsg, \ + [ __NR_sendmsg ] = (syscall_handler_t *) sys_sendmsg, \ + [ __NR_bind ] = (syscall_handler_t *) sys_bind, \ + [ __NR_listen ] = (syscall_handler_t *) sys_listen, \ + [ __NR_getsockname ] = (syscall_handler_t *) sys_getsockname, \ + [ __NR_getpeername ] = (syscall_handler_t *) sys_getpeername, \ + [ __NR_socketpair ] = (syscall_handler_t *) sys_socketpair, \ + [ __NR_sendto ] = (syscall_handler_t *) sys_sendto, \ + [ __NR_shutdown ] = (syscall_handler_t *) sys_shutdown, \ + [ __NR_setsockopt ] = (syscall_handler_t *) sys_setsockopt, \ + [ __NR_getsockopt ] = (syscall_handler_t *) sys_getsockopt, \ + [ __NR_iopl ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_set_thread_area ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_get_thread_area ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_semtimedop ] = (syscall_handler_t *) sys_semtimedop, \ + [ 251 ] = (syscall_handler_t *) sys_ni_syscall, + +#define LAST_ARCH_SYSCALL 251 +#define NR_syscalls 1024 + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ |