diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2003-11-23 21:47:34 +0000 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2003-11-23 21:47:34 +0000 |
| commit | 3357167cd5e4c92c104f2c30c3cf97ca9455098f (patch) | |
| tree | c6f32b9e2c473e6481d1538a89635029a7415926 | |
| parent | b1ad4c0b8a2c876ae2270e5ad4b1cffbb7eb28b8 (diff) | |
| download | klibc-3357167cd5e4c92c104f2c30c3cf97ca9455098f.tar.gz | |
Add IA64 support from Martin Hicksklibc-0.83
47 files changed, 1361 insertions, 9 deletions
diff --git a/include/arch/alpha/klibc/archsignal.h b/include/arch/alpha/klibc/archsignal.h new file mode 100644 index 0000000000000..b870a05131795 --- /dev/null +++ b/include/arch/alpha/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/alpha/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/arm/klibc/archsignal.h b/include/arch/arm/klibc/archsignal.h new file mode 100644 index 0000000000000..77685e62f0b0a --- /dev/null +++ b/include/arch/arm/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/arm/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/cris/klibc/archsignal.h b/include/arch/cris/klibc/archsignal.h new file mode 100644 index 0000000000000..73b2e196c99a9 --- /dev/null +++ b/include/arch/cris/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/cris/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/i386/klibc/archsignal.h b/include/arch/i386/klibc/archsignal.h new file mode 100644 index 0000000000000..b092ba6d3a07f --- /dev/null +++ b/include/arch/i386/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/i386/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/ia64/klibc/archsetjmp.h b/include/arch/ia64/klibc/archsetjmp.h new file mode 100644 index 0000000000000..bd639c0b00ad3 --- /dev/null +++ b/include/arch/ia64/klibc/archsetjmp.h @@ -0,0 +1,17 @@ +/* + * arch/ia64/include/klibc/archsetjmp.h + * + * Code borrowed from the FreeBSD kernel. + * + */ + +#ifndef _KLIBC_ARCHSETJMP_H +#define _KLIBC_ARCHSETJMP_H + +/* User code must not depend on the internal representation of jmp_buf. */ +#define _JBLEN 0x200 + +/* guaranteed 128-bit alignment! */ +typedef char jmp_buf[_JBLEN] __attribute__ ((aligned (16))); + +#endif diff --git a/include/arch/ia64/klibc/archsignal.h b/include/arch/ia64/klibc/archsignal.h new file mode 100644 index 0000000000000..5b01f19bc2d59 --- /dev/null +++ b/include/arch/ia64/klibc/archsignal.h @@ -0,0 +1,31 @@ +/* + * arch/ia64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions. + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +#define _NSIG 64 +#define _NSIG_BPW 64 +#define _NSIG_WORDS (_NSIG / _NSIG_BPW) + +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} sigset_t; + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + int sa_flags; +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif diff --git a/include/arch/ia64/klibc/archsys.h b/include/arch/ia64/klibc/archsys.h index ef5940ac25df8..fe331acf55f02 100644 --- a/include/arch/ia64/klibc/archsys.h +++ b/include/arch/ia64/klibc/archsys.h @@ -7,6 +7,212 @@ #ifndef _KLIBC_ARCHSYS_H #define _KLIBC_ARCHSYS_H -/* No special syscall definitions for this architecture */ +#define __IA64_BREAK "break 0x100000;;\n\t" + +#define _syscall0(type,name) \ +type \ +name (void) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15) \ + : "2" (_r15) ASM_ARGS_0 \ + : "memory" ASM_CLOBBERS_0); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall1(type,name,type1,arg1) \ +type \ +name (type1 arg1) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_1(arg1); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_1 \ + : "2" (_r15) ASM_ARGS_1 \ + : "memory" ASM_CLOBBERS_1); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type \ +name (type1 arg1, type2 arg2) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_2(arg1, arg2); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_2 \ + : "2" (_r15) ASM_ARGS_2 \ + : "memory" ASM_CLOBBERS_2); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_3(arg1, arg2, arg3); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_3 \ + : "2" (_r15) ASM_ARGS_3 \ + : "memory" ASM_CLOBBERS_3); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_4(arg1, arg2, arg3, arg4); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_4 \ + : "2" (_r15) ASM_ARGS_4 \ + : "memory" ASM_CLOBBERS_4); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_5(arg1, arg2, arg3, arg4, arg5); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_5 \ + : "2" (_r15) ASM_ARGS_5 \ + : "memory" ASM_CLOBBERS_5); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_6(arg1, arg2, arg3, arg4, arg5, arg6); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_6 \ + : "2" (_r15) ASM_ARGS_6 \ + : "memory" ASM_CLOBBERS_6); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + + +#define LOAD_ARGS_0() do { } while (0) +#define LOAD_ARGS_1(out0) \ + register long _out0 asm ("out0") = (long) (out0); \ + LOAD_ARGS_0 () +#define LOAD_ARGS_2(out0, out1) \ + register long _out1 asm ("out1") = (long) (out1); \ + LOAD_ARGS_1 (out0) +#define LOAD_ARGS_3(out0, out1, out2) \ + register long _out2 asm ("out2") = (long) (out2); \ + LOAD_ARGS_2 (out0, out1) +#define LOAD_ARGS_4(out0, out1, out2, out3) \ + register long _out3 asm ("out3") = (long) (out3); \ + LOAD_ARGS_3 (out0, out1, out2) +#define LOAD_ARGS_5(out0, out1, out2, out3, out4) \ + register long _out4 asm ("out4") = (long) (out4); \ + LOAD_ARGS_4 (out0, out1, out2, out3) +#define LOAD_ARGS_6(out0, out1, out2, out3, out4, out5) \ + register long _out5 asm ("out5") = (long) (out5); \ + LOAD_ARGS_5 (out0, out1, out2, out3, out4) + +#define ASM_OUTARGS_1 "=r" (_out0) +#define ASM_OUTARGS_2 ASM_OUTARGS_1, "=r" (_out1) +#define ASM_OUTARGS_3 ASM_OUTARGS_2, "=r" (_out2) +#define ASM_OUTARGS_4 ASM_OUTARGS_3, "=r" (_out3) +#define ASM_OUTARGS_5 ASM_OUTARGS_4, "=r" (_out4) +#define ASM_OUTARGS_6 ASM_OUTARGS_5, "=r" (_out5) + +#define ASM_ARGS_0 +#define ASM_ARGS_1 ASM_ARGS_0, "3" (_out0) +#define ASM_ARGS_2 ASM_ARGS_1, "4" (_out1) +#define ASM_ARGS_3 ASM_ARGS_2, "5" (_out2) +#define ASM_ARGS_4 ASM_ARGS_3, "6" (_out3) +#define ASM_ARGS_5 ASM_ARGS_4, "7" (_out4) +#define ASM_ARGS_6 ASM_ARGS_5, "8" (_out5) + +#define ASM_CLOBBERS_0 ASM_CLOBBERS_1, "out0" +#define ASM_CLOBBERS_1 ASM_CLOBBERS_2, "out1" +#define ASM_CLOBBERS_2 ASM_CLOBBERS_3, "out2" +#define ASM_CLOBBERS_3 ASM_CLOBBERS_4, "out3" +#define ASM_CLOBBERS_4 ASM_CLOBBERS_5, "out4" +#define ASM_CLOBBERS_5 ASM_CLOBBERS_6, "out5" +#define ASM_CLOBBERS_6 , "out6", "out7", \ + /* Non-stacked integer registers, minus r8, r10, r15. */ \ + "r2", "r3", "r9", "r11", "r12", "r13", "r14", "r16", "r17", "r18", \ + "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", \ + "r28", "r29", "r30", "r31", \ + /* Predicate registers. */ \ + "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", \ + /* Non-rotating fp registers. */ \ + "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ + /* Branch registers. */ \ + "b6", "b7" #endif /* _KLIBC_ARCHSYS_H */ diff --git a/include/arch/m68k/klibc/archsignal.h b/include/arch/m68k/klibc/archsignal.h new file mode 100644 index 0000000000000..714527f6b09f9 --- /dev/null +++ b/include/arch/m68k/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/m68k/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/mips/klibc/archsignal.h b/include/arch/mips/klibc/archsignal.h new file mode 100644 index 0000000000000..3b729086368ad --- /dev/null +++ b/include/arch/mips/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/mips/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/mips64/klibc/archsignal.h b/include/arch/mips64/klibc/archsignal.h new file mode 100644 index 0000000000000..56b0fd323eadd --- /dev/null +++ b/include/arch/mips64/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/mips64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/parisc/klibc/archsignal.h b/include/arch/parisc/klibc/archsignal.h new file mode 100644 index 0000000000000..511d774b2d022 --- /dev/null +++ b/include/arch/parisc/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/parisc/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/ppc/klibc/archsignal.h b/include/arch/ppc/klibc/archsignal.h new file mode 100644 index 0000000000000..567a547ef95c9 --- /dev/null +++ b/include/arch/ppc/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/ppc/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/ppc64/klibc/archsignal.h b/include/arch/ppc64/klibc/archsignal.h new file mode 100644 index 0000000000000..8452f6e4bc5eb --- /dev/null +++ b/include/arch/ppc64/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/ppc64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/s390/klibc/archsignal.h b/include/arch/s390/klibc/archsignal.h new file mode 100644 index 0000000000000..1f8de28b4be75 --- /dev/null +++ b/include/arch/s390/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/s390/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/s390x/klibc/archsignal.h b/include/arch/s390x/klibc/archsignal.h new file mode 100644 index 0000000000000..08c9a0073a711 --- /dev/null +++ b/include/arch/s390x/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/s390x/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/sh/klibc/archsignal.h b/include/arch/sh/klibc/archsignal.h new file mode 100644 index 0000000000000..6c4e5976ad2c8 --- /dev/null +++ b/include/arch/sh/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/sh/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/sparc/klibc/archsignal.h b/include/arch/sparc/klibc/archsignal.h new file mode 100644 index 0000000000000..6af37090332ab --- /dev/null +++ b/include/arch/sparc/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/sparc/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/sparc64/klibc/archsignal.h b/include/arch/sparc64/klibc/archsignal.h new file mode 100644 index 0000000000000..f81bd668bbce4 --- /dev/null +++ b/include/arch/sparc64/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/sparc64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/arch/x86_64/klibc/archsignal.h b/include/arch/x86_64/klibc/archsignal.h new file mode 100644 index 0000000000000..74e82e1dd090c --- /dev/null +++ b/include/arch/x86_64/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/x86_64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/include/signal.h b/include/signal.h index ffd2beba439fd..62c5083dc0458 100644 --- a/include/signal.h +++ b/include/signal.h @@ -11,6 +11,8 @@ #include <sys/types.h> #include <asm/signal.h> +#include <klibc/archsignal.h> + /* Some architectures don't define these */ #ifndef SA_RESETHAND # define SA_RESETHAND SA_ONESHOT diff --git a/klibc/README b/klibc/README index 7d5751804f4ad..ce0ad7ba6a5c1 100644 --- a/klibc/README +++ b/klibc/README @@ -34,11 +34,11 @@ b) If you're cross-compiling, change ARCH in the main MCONFIG file to The following is the last known status of various architectures: - Known to work: alpha arm i386 s390 s390x sparc sparc64 x86_64* + Known to work: alpha arm ia64 i386 s390 s390x sparc + sparc64 x86_64* Works static, not shared: mips* arm-thumb sh* - Need crt0.S updates: ppc - Missing setjmp: ppc64 - Need porting work: cris ia64 m68k mips64 parisc + Might work: ppc ppc64 + Need porting work: cris m68k mips64 parisc x86_64: requires a kernel header patch (to be created) mips, sh: linker problem; might work with fixed linker diff --git a/klibc/SYSCALLS b/klibc/SYSCALLS index 802f8a1711f31..92dff963b3683 100644 --- a/klibc/SYSCALLS +++ b/klibc/SYSCALLS @@ -11,7 +11,7 @@ # # Process-related syscalls # -<!mips,mips64,sparc> pid_t vfork() +<!mips,mips64,sparc,ia64> pid_t vfork() <sparc> pid_t vfork@forkish() <!alpha> pid_t getpid() <alpha> pid_t getxpid@dual0::getpid() @@ -140,8 +140,8 @@ int uname(struct utsname *) int setdomainname(const char *, size_t) int sethostname(const char *, size_t) int init_module(const char *, struct module *) -void * create_module(const char *, size_t) +<!ia64> void * create_module(const char *, size_t) int delete_module(const char *) -int query_module(const char *, int, void *, size_t, size_t) +<!ia64> int query_module(const char *, int, void *, size_t, size_t) int reboot::__reboot(int, int, int, void *) int syslog::klogctl(int, char *, int) diff --git a/klibc/arch/alpha/include/klibc/archsignal.h b/klibc/arch/alpha/include/klibc/archsignal.h new file mode 100644 index 0000000000000..b870a05131795 --- /dev/null +++ b/klibc/arch/alpha/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/alpha/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/arm/include/klibc/archsignal.h b/klibc/arch/arm/include/klibc/archsignal.h new file mode 100644 index 0000000000000..77685e62f0b0a --- /dev/null +++ b/klibc/arch/arm/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/arm/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/cris/include/klibc/archsignal.h b/klibc/arch/cris/include/klibc/archsignal.h new file mode 100644 index 0000000000000..73b2e196c99a9 --- /dev/null +++ b/klibc/arch/cris/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/cris/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/i386/include/klibc/archsignal.h b/klibc/arch/i386/include/klibc/archsignal.h new file mode 100644 index 0000000000000..b092ba6d3a07f --- /dev/null +++ b/klibc/arch/i386/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/i386/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/ia64/Makefile.inc b/klibc/arch/ia64/Makefile.inc index 1fb364f92e3a5..1b65250959d48 100644 --- a/klibc/arch/ia64/Makefile.inc +++ b/klibc/arch/ia64/Makefile.inc @@ -7,4 +7,11 @@ # accordingly. # +ARCHOBJS = \ + arch/$(ARCH)/sigjmp.o \ + arch/$(ARCH)/vfork.o \ + arch/$(ARCH)/setjmp.o + +ARCHSOOBJS = $(patsubst %o,%.lo,%(ARCHOBJS)) + archclean: diff --git a/klibc/arch/ia64/crt0.S b/klibc/arch/ia64/crt0.S new file mode 100644 index 0000000000000..4b128154e8e0b --- /dev/null +++ b/klibc/arch/ia64/crt0.S @@ -0,0 +1,27 @@ + +#include <asm/fpu.h> + + .align 32 + .global _start + + .proc _start + .type _start,@function +_start: + .prologue + .save rp, r0 + + alloc r2 = ar.pfs,0,0,2,0 + movl r3 = FPSR_DEFAULT + ;; + adds out0= 16,sp /* argc pointer */ + movl gp = @gprel(0f) +0: mov r9 = ip + ;; + sub gp = r9, gp /* back-compute gp value */ + + .body + br.call.sptk.few rp = __libc_init + ;; + break 0 /* break miserably if we ever return */ + + .endp _start diff --git a/klibc/arch/ia64/include/klibc/archsetjmp.h b/klibc/arch/ia64/include/klibc/archsetjmp.h new file mode 100644 index 0000000000000..bd639c0b00ad3 --- /dev/null +++ b/klibc/arch/ia64/include/klibc/archsetjmp.h @@ -0,0 +1,17 @@ +/* + * arch/ia64/include/klibc/archsetjmp.h + * + * Code borrowed from the FreeBSD kernel. + * + */ + +#ifndef _KLIBC_ARCHSETJMP_H +#define _KLIBC_ARCHSETJMP_H + +/* User code must not depend on the internal representation of jmp_buf. */ +#define _JBLEN 0x200 + +/* guaranteed 128-bit alignment! */ +typedef char jmp_buf[_JBLEN] __attribute__ ((aligned (16))); + +#endif diff --git a/klibc/arch/ia64/include/klibc/archsignal.h b/klibc/arch/ia64/include/klibc/archsignal.h new file mode 100644 index 0000000000000..5b01f19bc2d59 --- /dev/null +++ b/klibc/arch/ia64/include/klibc/archsignal.h @@ -0,0 +1,31 @@ +/* + * arch/ia64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions. + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +#define _NSIG 64 +#define _NSIG_BPW 64 +#define _NSIG_WORDS (_NSIG / _NSIG_BPW) + +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} sigset_t; + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + int sa_flags; +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif diff --git a/klibc/arch/ia64/include/klibc/archsys.h b/klibc/arch/ia64/include/klibc/archsys.h index ef5940ac25df8..fe331acf55f02 100644 --- a/klibc/arch/ia64/include/klibc/archsys.h +++ b/klibc/arch/ia64/include/klibc/archsys.h @@ -7,6 +7,212 @@ #ifndef _KLIBC_ARCHSYS_H #define _KLIBC_ARCHSYS_H -/* No special syscall definitions for this architecture */ +#define __IA64_BREAK "break 0x100000;;\n\t" + +#define _syscall0(type,name) \ +type \ +name (void) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15) \ + : "2" (_r15) ASM_ARGS_0 \ + : "memory" ASM_CLOBBERS_0); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall1(type,name,type1,arg1) \ +type \ +name (type1 arg1) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_1(arg1); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_1 \ + : "2" (_r15) ASM_ARGS_1 \ + : "memory" ASM_CLOBBERS_1); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type \ +name (type1 arg1, type2 arg2) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_2(arg1, arg2); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_2 \ + : "2" (_r15) ASM_ARGS_2 \ + : "memory" ASM_CLOBBERS_2); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_3(arg1, arg2, arg3); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_3 \ + : "2" (_r15) ASM_ARGS_3 \ + : "memory" ASM_CLOBBERS_3); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_4(arg1, arg2, arg3, arg4); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_4 \ + : "2" (_r15) ASM_ARGS_4 \ + : "memory" ASM_CLOBBERS_4); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_5(arg1, arg2, arg3, arg4, arg5); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_5 \ + : "2" (_r15) ASM_ARGS_5 \ + : "memory" ASM_CLOBBERS_5); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + +#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \ +type \ +name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \ +{ \ + register long _r8 asm ("r8"); \ + register long _r10 asm ("r10"); \ + register long _r15 asm ("r15") = __NR_##name; \ + long _retval; \ + LOAD_ARGS_6(arg1, arg2, arg3, arg4, arg5, arg6); \ + __asm __volatile (__IA64_BREAK \ + : "=r" (_r8), "=r" (_r10), "=r" (_r15), \ + ASM_OUTARGS_6 \ + : "2" (_r15) ASM_ARGS_6 \ + : "memory" ASM_CLOBBERS_6); \ + _retval = _r8; \ + if (_r10 == -1) { \ + errno = (_retval); \ + _retval = -1; \ + } \ + return _retval; \ +} + + +#define LOAD_ARGS_0() do { } while (0) +#define LOAD_ARGS_1(out0) \ + register long _out0 asm ("out0") = (long) (out0); \ + LOAD_ARGS_0 () +#define LOAD_ARGS_2(out0, out1) \ + register long _out1 asm ("out1") = (long) (out1); \ + LOAD_ARGS_1 (out0) +#define LOAD_ARGS_3(out0, out1, out2) \ + register long _out2 asm ("out2") = (long) (out2); \ + LOAD_ARGS_2 (out0, out1) +#define LOAD_ARGS_4(out0, out1, out2, out3) \ + register long _out3 asm ("out3") = (long) (out3); \ + LOAD_ARGS_3 (out0, out1, out2) +#define LOAD_ARGS_5(out0, out1, out2, out3, out4) \ + register long _out4 asm ("out4") = (long) (out4); \ + LOAD_ARGS_4 (out0, out1, out2, out3) +#define LOAD_ARGS_6(out0, out1, out2, out3, out4, out5) \ + register long _out5 asm ("out5") = (long) (out5); \ + LOAD_ARGS_5 (out0, out1, out2, out3, out4) + +#define ASM_OUTARGS_1 "=r" (_out0) +#define ASM_OUTARGS_2 ASM_OUTARGS_1, "=r" (_out1) +#define ASM_OUTARGS_3 ASM_OUTARGS_2, "=r" (_out2) +#define ASM_OUTARGS_4 ASM_OUTARGS_3, "=r" (_out3) +#define ASM_OUTARGS_5 ASM_OUTARGS_4, "=r" (_out4) +#define ASM_OUTARGS_6 ASM_OUTARGS_5, "=r" (_out5) + +#define ASM_ARGS_0 +#define ASM_ARGS_1 ASM_ARGS_0, "3" (_out0) +#define ASM_ARGS_2 ASM_ARGS_1, "4" (_out1) +#define ASM_ARGS_3 ASM_ARGS_2, "5" (_out2) +#define ASM_ARGS_4 ASM_ARGS_3, "6" (_out3) +#define ASM_ARGS_5 ASM_ARGS_4, "7" (_out4) +#define ASM_ARGS_6 ASM_ARGS_5, "8" (_out5) + +#define ASM_CLOBBERS_0 ASM_CLOBBERS_1, "out0" +#define ASM_CLOBBERS_1 ASM_CLOBBERS_2, "out1" +#define ASM_CLOBBERS_2 ASM_CLOBBERS_3, "out2" +#define ASM_CLOBBERS_3 ASM_CLOBBERS_4, "out3" +#define ASM_CLOBBERS_4 ASM_CLOBBERS_5, "out4" +#define ASM_CLOBBERS_5 ASM_CLOBBERS_6, "out5" +#define ASM_CLOBBERS_6 , "out6", "out7", \ + /* Non-stacked integer registers, minus r8, r10, r15. */ \ + "r2", "r3", "r9", "r11", "r12", "r13", "r14", "r16", "r17", "r18", \ + "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", \ + "r28", "r29", "r30", "r31", \ + /* Predicate registers. */ \ + "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", \ + /* Non-rotating fp registers. */ \ + "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ + /* Branch registers. */ \ + "b6", "b7" #endif /* _KLIBC_ARCHSYS_H */ diff --git a/klibc/arch/ia64/setjmp.S b/klibc/arch/ia64/setjmp.S new file mode 100644 index 0000000000000..50f91dc1d65ff --- /dev/null +++ b/klibc/arch/ia64/setjmp.S @@ -0,0 +1,341 @@ +/* + * IA-64 specific setjmp/longjmp routines + * + * Inspired by setjmp.s from the FreeBSD kernel. + */ + +#define J_UNAT 0 +#define J_NATS 0x8 +#define J_PFS 0x10 +#define J_BSP 0x18 +#define J_RNAT 0x20 +#define J_PREDS 0x28 +#define J_LC 0x30 +#define J_R4 0x38 +#define J_R5 0x40 +#define J_R6 0x48 +#define J_R7 0x50 +#define J_SP 0x58 +#define J_F2 0x60 +#define J_F3 0x70 +#define J_F4 0x80 +#define J_F5 0x90 +#define J_F16 0xa0 +#define J_F17 0xb0 +#define J_F18 0xc0 +#define J_F19 0xd0 +#define J_F20 0xe0 +#define J_F21 0xf0 +#define J_F22 0x100 +#define J_F23 0x110 +#define J_F24 0x120 +#define J_F25 0x130 +#define J_F26 0x140 +#define J_F27 0x150 +#define J_F28 0x160 +#define J_F29 0x170 +#define J_F30 0x180 +#define J_F31 0x190 +#define J_FPSR 0x1a0 +#define J_B0 0x1a8 +#define J_B1 0x1b0 +#define J_B2 0x1b8 +#define J_B3 0x1c0 +#define J_B4 0x1c8 +#define J_B5 0x1d0 +#define J_SIGMASK 0x1d8 +#define J_SIGSET 0x1e0 +#define J_GP 0x1f0 + +// int setjmp(struct jmp_buffer *) +// +// Setup a non-local goto. +// +// Description: +// +// SetJump stores the current register set in the area pointed to +// by "save". It returns zero. Subsequent calls to "LongJump" will +// restore the registers and return non-zero to the same location. +// +// On entry, r32 contains the pointer to the jmp_buffer +// + .align 32 + .global setjmp +setjmp: + // + // Make sure buffer is aligned at 16byte boundary + // + add r10 = -0x10,r0 ;; // mask the lower 4 bits + and r32 = r32, r10;; + add r32 = 0x10, r32;; // move to next 16 byte boundary + + add r10 = J_PREDS, r32 // skip Unats & pfs save area + add r11 = J_BSP, r32 + // + // save immediate context + // + mov r2 = ar.bsp // save backing store pointer + mov r3 = pr // save predicates + flushrs + ;; + // + // save user Unat register + // + mov r16 = ar.lc // save loop count register + mov r14 = ar.unat // save user Unat register + + st8 [r10] = r3, J_LC-J_PREDS + st8 [r11] = r2, J_R4-J_BSP + ;; + st8 [r10] = r16, J_R5-J_LC + st8 [r32] = r14, J_NATS // Note: Unat at the + // beginning of the save area + mov r15 = ar.pfs + ;; + // + // save preserved general registers & NaT's + // + st8.spill [r11] = r4, J_R6-J_R4 + ;; + st8.spill [r10] = r5, J_R7-J_R5 + ;; + st8.spill [r11] = r6, J_SP-J_R6 + ;; + st8.spill [r10] = r7, J_F3-J_R7 + ;; + st8.spill [r11] = sp, J_F2-J_SP + ;; + // + // save spilled Unat and pfs registers + // + mov r2 = ar.unat // save Unat register after spill + ;; + st8 [r32] = r2, J_PFS-J_NATS // save unat for spilled regs + ;; + st8 [r32] = r15 // save pfs + // + // save floating registers + // + stf.spill [r11] = f2, J_F4-J_F2 + stf.spill [r10] = f3, J_F5-J_F3 + ;; + stf.spill [r11] = f4, J_F16-J_F4 + stf.spill [r10] = f5, J_F17-J_F5 + ;; + stf.spill [r11] = f16, J_F18-J_F16 + stf.spill [r10] = f17, J_F19-J_F17 + ;; + stf.spill [r11] = f18, J_F20-J_F18 + stf.spill [r10] = f19, J_F21-J_F19 + ;; + stf.spill [r11] = f20, J_F22-J_F20 + stf.spill [r10] = f21, J_F23-J_F21 + ;; + stf.spill [r11] = f22, J_F24-J_F22 + stf.spill [r10] = f23, J_F25-J_F23 + ;; + stf.spill [r11] = f24, J_F26-J_F24 + stf.spill [r10] = f25, J_F27-J_F25 + ;; + stf.spill [r11] = f26, J_F28-J_F26 + stf.spill [r10] = f27, J_F29-J_F27 + ;; + stf.spill [r11] = f28, J_F30-J_F28 + stf.spill [r10] = f29, J_F31-J_F29 + ;; + stf.spill [r11] = f30, J_FPSR-J_F30 + stf.spill [r10] = f31, J_B0-J_F31 // size of f31 + fpsr + // + // save FPSR register & branch registers + // + mov r2 = ar.fpsr // save fpsr register + mov r3 = b0 + ;; + st8 [r11] = r2, J_B1-J_FPSR + st8 [r10] = r3, J_B2-J_B0 + mov r2 = b1 + mov r3 = b2 + ;; + st8 [r11] = r2, J_B3-J_B1 + st8 [r10] = r3, J_B4-J_B2 + mov r2 = b3 + mov r3 = b4 + ;; + st8 [r11] = r2, J_B5-J_B3 + st8 [r10] = r3 + mov r2 = b5 + ;; + st8 [r11] = r2 + ;; + // + // return + // + mov r8 = r0 // return 0 from setjmp + mov ar.unat = r14 // restore unat + br.ret.sptk b0 + .endp setjmp + +// +// void longjmp(struct jmp_buffer *, int val) +// +// Perform a non-local goto. +// +// Description: +// +// LongJump initializes the register set to the values saved by a +// previous 'SetJump' and jumps to the return location saved by that +// 'SetJump'. This has the effect of unwinding the stack and returning +// for a second time to the 'SetJump'. +// + + .align 32 + .global longjmp +longjmp: + // + // Make sure buffer is aligned at 16byte boundary + // + add r10 = -0x10,r0 ;; // mask the lower 4 bits + and r32 = r32, r10;; + add r32 = 0x10, r32;; // move to next 16 byte boundary + + // + // caching the return value as we do invala in the end + // + mov r8 = r33 // return value + + // + // get immediate context + // + mov r14 = ar.rsc // get user RSC conf + add r10 = J_PFS, r32 // get address of pfs + add r11 = J_NATS, r32 + ;; + ld8 r15 = [r10], J_BSP-J_PFS // get pfs + ld8 r2 = [r11], J_LC-J_NATS // get unat for spilled regs + ;; + mov ar.unat = r2 + ;; + ld8 r16 = [r10], J_PREDS-J_BSP // get backing store pointer + mov ar.rsc = r0 // put RSE in enforced lazy + mov ar.pfs = r15 + ;; + + // + // while returning from longjmp the BSPSTORE and BSP needs to be + // same and discard all the registers allocated after we did + // setjmp. Also, we need to generate the RNAT register since we + // did not flushed the RSE on setjmp. + // + mov r17 = ar.bspstore // get current BSPSTORE + ;; + cmp.ltu p6,p7 = r17, r16 // is it less than BSP of +(p6) br.spnt.few .flush_rse + mov r19 = ar.rnat // get current RNAT + ;; + loadrs // invalidate dirty regs + br.sptk.many .restore_rnat // restore RNAT + +.flush_rse: + flushrs + ;; + mov r19 = ar.rnat // get current RNAT + mov r17 = r16 // current BSPSTORE + ;; +.restore_rnat: + // + // check if RNAT is saved between saved BSP and curr BSPSTORE + // + mov r18 = 0x3f + ;; + dep r18 = r18,r16,3,6 // get RNAT address + ;; + cmp.ltu p8,p9 = r18, r17 // RNAT saved on RSE + ;; +(p8) ld8 r19 = [r18] // get RNAT from RSE + ;; + mov ar.bspstore = r16 // set new BSPSTORE + ;; + mov ar.rnat = r19 // restore RNAT + mov ar.rsc = r14 // restore RSC conf + + + ld8 r3 = [r11], J_R4-J_LC // get lc register + ld8 r2 = [r10], J_R5-J_PREDS // get predicates + ;; + mov pr = r2, -1 + mov ar.lc = r3 + // + // restore preserved general registers & NaT's + // + ld8.fill r4 = [r11], J_R6-J_R4 + ;; + ld8.fill r5 = [r10], J_R7-J_R5 + ld8.fill r6 = [r11], J_SP-J_R6 + ;; + ld8.fill r7 = [r10], J_F2-J_R7 + ld8.fill sp = [r11], J_F3-J_SP + ;; + // + // restore floating registers + // + ldf.fill f2 = [r10], J_F4-J_F2 + ldf.fill f3 = [r11], J_F5-J_F3 + ;; + ldf.fill f4 = [r10], J_F16-J_F4 + ldf.fill f5 = [r11], J_F17-J_F5 + ;; + ldf.fill f16 = [r10], J_F18-J_F16 + ldf.fill f17 = [r11], J_F19-J_F17 + ;; + ldf.fill f18 = [r10], J_F20-J_F18 + ldf.fill f19 = [r11], J_F21-J_F19 + ;; + ldf.fill f20 = [r10], J_F22-J_F20 + ldf.fill f21 = [r11], J_F23-J_F21 + ;; + ldf.fill f22 = [r10], J_F24-J_F22 + ldf.fill f23 = [r11], J_F25-J_F23 + ;; + ldf.fill f24 = [r10], J_F26-J_F24 + ldf.fill f25 = [r11], J_F27-J_F25 + ;; + ldf.fill f26 = [r10], J_F28-J_F26 + ldf.fill f27 = [r11], J_F29-J_F27 + ;; + ldf.fill f28 = [r10], J_F30-J_F28 + ldf.fill f29 = [r11], J_F31-J_F29 + ;; + ldf.fill f30 = [r10], J_FPSR-J_F30 + ldf.fill f31 = [r11], J_B0-J_F31 ;; + + // + // restore branch registers and fpsr + // + ld8 r16 = [r10], J_B1-J_FPSR // get fpsr + ld8 r17 = [r11], J_B2-J_B0 // get return pointer + ;; + mov ar.fpsr = r16 + mov b0 = r17 + ld8 r2 = [r10], J_B3-J_B1 + ld8 r3 = [r11], J_B4-J_B2 + ;; + mov b1 = r2 + mov b2 = r3 + ld8 r2 = [r10], J_B5-J_B3 + ld8 r3 = [r11] + ;; + mov b3 = r2 + mov b4 = r3 + ld8 r2 = [r10] + ld8 r21 = [r32] // get user unat + ;; + mov b5 = r2 + mov ar.unat = r21 + + // + // invalidate ALAT + // + invala ;; + + br.ret.sptk b0 + .endp longjmp diff --git a/klibc/arch/ia64/sigjmp.c b/klibc/arch/ia64/sigjmp.c new file mode 100644 index 0000000000000..cb7a8d3a1d477 --- /dev/null +++ b/klibc/arch/ia64/sigjmp.c @@ -0,0 +1,8 @@ + +#include <setjmp.h> + +int __sigjmp_save (sigjmp_buf env, int savemask __attribute__ ((unused))) +{ + env[0].__mask_was_saved = 0; + return 0; +} diff --git a/klibc/arch/ia64/vfork.S b/klibc/arch/ia64/vfork.S new file mode 100644 index 0000000000000..0354fa9ef75d1 --- /dev/null +++ b/klibc/arch/ia64/vfork.S @@ -0,0 +1,41 @@ +/* + * ia64 specific vfork syscall + * + * Written By: Martin Hicks <mort@wildopensource.com> + * + */ + +/* This syscall is a special case of the clone syscall */ +#include <asm/unistd.h> +#include <asm/signal.h> +#include <klibc/archsys.h> + +/* These are redefined here because linux/sched.h isn't safe for + * inclusion in asm. + */ +#define CLONE_VM 0x00000100 /* set if VM shared between processes */ +#define CLONE_VFORK 0x00004000 /* set if parent wants the child to wake it up on exit */ + +/* pid_t vfork(void) */ +/* Implemented as clone(CLONE_VFORK | CLONE_VM | SIGCHLD, 0) */ + + .proc vfork + .global vfork +vfork: + alloc r2=ar.pfs,0,0,2,0 + mov r15=__NR_clone + mov out0=CLONE_VM|CLONE_VFORK|SIGCHLD + mov out1=0 + ;; + __IA64_BREAK // Do the syscall + + addl r15=0,r1 + cmp.eq p7,p6 = -1,r10 + ;; + ld8 r14=[r15] + ;; +(p7) st4 [r14]=r8 + ;; +(p7) mov r8=-1 + br.ret.sptk.many b0 + .endp diff --git a/klibc/arch/m68k/include/klibc/archsignal.h b/klibc/arch/m68k/include/klibc/archsignal.h new file mode 100644 index 0000000000000..714527f6b09f9 --- /dev/null +++ b/klibc/arch/m68k/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/m68k/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/mips/include/klibc/archsignal.h b/klibc/arch/mips/include/klibc/archsignal.h new file mode 100644 index 0000000000000..3b729086368ad --- /dev/null +++ b/klibc/arch/mips/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/mips/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/mips64/include/klibc/archsignal.h b/klibc/arch/mips64/include/klibc/archsignal.h new file mode 100644 index 0000000000000..56b0fd323eadd --- /dev/null +++ b/klibc/arch/mips64/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/mips64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/parisc/include/klibc/archsignal.h b/klibc/arch/parisc/include/klibc/archsignal.h new file mode 100644 index 0000000000000..511d774b2d022 --- /dev/null +++ b/klibc/arch/parisc/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/parisc/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/ppc/include/klibc/archsignal.h b/klibc/arch/ppc/include/klibc/archsignal.h new file mode 100644 index 0000000000000..567a547ef95c9 --- /dev/null +++ b/klibc/arch/ppc/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/ppc/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/ppc64/include/klibc/archsignal.h b/klibc/arch/ppc64/include/klibc/archsignal.h new file mode 100644 index 0000000000000..8452f6e4bc5eb --- /dev/null +++ b/klibc/arch/ppc64/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/ppc64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/s390/include/klibc/archsignal.h b/klibc/arch/s390/include/klibc/archsignal.h new file mode 100644 index 0000000000000..1f8de28b4be75 --- /dev/null +++ b/klibc/arch/s390/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/s390/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/s390x/include/klibc/archsignal.h b/klibc/arch/s390x/include/klibc/archsignal.h new file mode 100644 index 0000000000000..08c9a0073a711 --- /dev/null +++ b/klibc/arch/s390x/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/s390x/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/sh/include/klibc/archsignal.h b/klibc/arch/sh/include/klibc/archsignal.h new file mode 100644 index 0000000000000..6c4e5976ad2c8 --- /dev/null +++ b/klibc/arch/sh/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/sh/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/sparc/include/klibc/archsignal.h b/klibc/arch/sparc/include/klibc/archsignal.h new file mode 100644 index 0000000000000..6af37090332ab --- /dev/null +++ b/klibc/arch/sparc/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/sparc/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/sparc64/include/klibc/archsignal.h b/klibc/arch/sparc64/include/klibc/archsignal.h new file mode 100644 index 0000000000000..f81bd668bbce4 --- /dev/null +++ b/klibc/arch/sparc64/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/sparc64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/arch/x86_64/include/klibc/archsignal.h b/klibc/arch/x86_64/include/klibc/archsignal.h new file mode 100644 index 0000000000000..74e82e1dd090c --- /dev/null +++ b/klibc/arch/x86_64/include/klibc/archsignal.h @@ -0,0 +1,13 @@ +/* + * arch/x86_64/include/klibc/archsignal.h + * + * Architecture-specific signal definitions + * + */ + +#ifndef _KLIBC_ARCHSIGNAL_H +#define _KLIBC_ARCHSIGNAL_H + +/* No special stuff for this architecture */ + +#endif diff --git a/klibc/include/signal.h b/klibc/include/signal.h index ffd2beba439fd..62c5083dc0458 100644 --- a/klibc/include/signal.h +++ b/klibc/include/signal.h @@ -11,6 +11,8 @@ #include <sys/types.h> #include <asm/signal.h> +#include <klibc/archsignal.h> + /* Some architectures don't define these */ #ifndef SA_RESETHAND # define SA_RESETHAND SA_ONESHOT |