11 files changed, 386 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/include/asm/alpha-sigcontext.h b/mdk-stage1/dietlibc/include/asm/alpha-sigcontext.h
new file mode 100644
index 000000000..13faab0b5
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/alpha-sigcontext.h
@@ -0,0 +1,29 @@
+struct sigcontext {
+	/*
+	 * What should we have here? I'd probably better use the same
+	 * stack layout as OSF/1, just in case we ever want to try
+	 * running their binaries.. 
+	 *
+	 * This is the basic layout, but I don't know if we'll ever
+	 * actually fill in all the values..
+	 */
+	 long		sc_onstack;
+	 long		sc_mask;
+	 long		sc_pc;
+	 long		sc_ps;
+	 long		sc_regs[32];
+	 long		sc_ownedfp;
+	 long		sc_fpregs[32];
+	 unsigned long	sc_fpcr;
+	 unsigned long	sc_fp_control;
+	 unsigned long	sc_reserved1, sc_reserved2;
+	 unsigned long	sc_ssize;
+	 char *		sc_sbase;
+	 unsigned long	sc_traparg_a0;
+	 unsigned long	sc_traparg_a1;
+	 unsigned long	sc_traparg_a2;
+	 unsigned long	sc_fp_trap_pc;
+	 unsigned long	sc_fp_trigger_sum;
+	 unsigned long	sc_fp_trigger_inst;
+};
+
diff --git a/mdk-stage1/dietlibc/include/asm/arm-sigcontext.h b/mdk-stage1/dietlibc/include/asm/arm-sigcontext.h
new file mode 100644
index 000000000..26fa04e64
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/arm-sigcontext.h
@@ -0,0 +1,32 @@
+
+#define PC(ctx) (ctx.arm_pc)
+
+/*
+ * Signal context structure - contains all info to do with the state
+ * before the signal handler was invoked.  Note: only add new entries
+ * to the end of the structure.
+ */
+struct sigcontext {
+	unsigned long trap_no;
+	unsigned long error_code;
+	unsigned long oldmask;
+	unsigned long arm_r0;
+	unsigned long arm_r1;
+	unsigned long arm_r2;
+	unsigned long arm_r3;
+	unsigned long arm_r4;
+	unsigned long arm_r5;
+	unsigned long arm_r6;
+	unsigned long arm_r7;
+	unsigned long arm_r8;
+	unsigned long arm_r9;
+	unsigned long arm_r10;
+	unsigned long arm_fp;
+	unsigned long arm_ip;
+	unsigned long arm_sp;
+	unsigned long arm_lr;
+	unsigned long arm_pc;
+	unsigned long arm_cpsr;
+	unsigned long fault_address;
+};
+
diff --git a/mdk-stage1/dietlibc/include/asm/i386-sigcontext.h b/mdk-stage1/dietlibc/include/asm/i386-sigcontext.h
new file mode 100644
index 000000000..e830b9b97
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/i386-sigcontext.h
@@ -0,0 +1,66 @@
+
+struct _fpreg {
+	unsigned short significand[4];
+	unsigned short exponent;
+};
+
+struct _fpxreg {
+	unsigned short significand[4];
+	unsigned short exponent;
+	unsigned short padding[3];
+};
+
+struct _xmmreg {
+	unsigned long element[4];
+};
+
+struct _fpstate {
+	/* Regular FPU environment */
+	unsigned long 	cw;
+	unsigned long	sw;
+	unsigned long	tag;
+	unsigned long	ipoff;
+	unsigned long	cssel;
+	unsigned long	dataoff;
+	unsigned long	datasel;
+	struct _fpreg	_st[8];
+	unsigned short	status;
+	unsigned short	magic;		/* 0xffff = regular FPU data only */
+
+	/* FXSR FPU environment */
+	unsigned long	_fxsr_env[6];	/* FXSR FPU env is ignored */
+	unsigned long	mxcsr;
+	unsigned long	reserved;
+	struct _fpxreg	_fxsr_st[8];	/* FXSR FPU reg data is ignored */
+	struct _xmmreg	_xmm[8];
+	unsigned long	padding[56];
+};
+
+#define X86_FXSR_MAGIC		0x0000
+#define PC(ctx) (ctx.eip)
+
+struct sigcontext {
+	unsigned short gs, __gsh;
+	unsigned short fs, __fsh;
+	unsigned short es, __esh;
+	unsigned short ds, __dsh;
+	unsigned long edi;
+	unsigned long esi;
+	unsigned long ebp;
+	unsigned long esp;
+	unsigned long ebx;
+	unsigned long edx;
+	unsigned long ecx;
+	unsigned long eax;
+	unsigned long trapno;
+	unsigned long err;
+	unsigned long eip;
+	unsigned short cs, __csh;
+	unsigned long eflags;
+	unsigned long esp_at_signal;
+	unsigned short ss, __ssh;
+	struct _fpstate * fpstate;
+	unsigned long oldmask;
+	unsigned long cr2;
+};
+
diff --git a/mdk-stage1/dietlibc/include/asm/ia64-sigcontext.h b/mdk-stage1/dietlibc/include/asm/ia64-sigcontext.h
new file mode 100644
index 000000000..ebab3c8f4
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/ia64-sigcontext.h
@@ -0,0 +1,25 @@
+#include <sys/ptrace.h>
+
+#define PC(ctx) (ctx.sc_ip)
+
+struct sigcontext {
+	unsigned long		sc_flags;
+	unsigned long		sc_nat;
+	stack_t			sc_stack;
+	unsigned long		sc_ip;
+	unsigned long		sc_cfm;
+	unsigned long		sc_um;
+	unsigned long		sc_ar_rsc;
+	unsigned long		sc_ar_bsp;
+	unsigned long		sc_ar_rnat;
+	unsigned long		sc_ar_ccv;
+	unsigned long		sc_ar_unat;
+	unsigned long		sc_ar_fpsr;
+	unsigned long		sc_ar_pfs;
+	unsigned long		sc_ar_lc;
+	unsigned long		sc_pr;
+	unsigned long		sc_br[8];
+	unsigned long		sc_gr[32];
+	struct ia64_fpreg	sc_fr[128];
+	sigset_t		sc_mask;
+};
diff --git a/mdk-stage1/dietlibc/include/asm/mips-sigcontext.h b/mdk-stage1/dietlibc/include/asm/mips-sigcontext.h
new file mode 100644
index 000000000..1210abf31
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/mips-sigcontext.h
@@ -0,0 +1,23 @@
+
+/*
+ * Keep this struct definition in sync with the sigcontext fragment
+ * in arch/mips/tools/offset.c
+ */
+struct sigcontext {
+	unsigned int       sc_regmask;		/* Unused */
+	unsigned int       sc_status;
+	unsigned long long sc_pc;
+	unsigned long long sc_regs[32];
+	unsigned long long sc_fpregs[32];	/* Unused */
+	unsigned int       sc_ownedfp;
+	unsigned int       sc_fpc_csr;		/* Unused */
+	unsigned int       sc_fpc_eir;		/* Unused */
+	unsigned int       sc_ssflags;		/* Unused */
+	unsigned long long sc_mdhi;
+	unsigned long long sc_mdlo;
+
+	unsigned int       sc_cause;		/* Unused */
+	unsigned int       sc_badvaddr;		/* Unused */
+
+	unsigned long      sc_sigset[4];	/* kernel's sigset_t */
+};
diff --git a/mdk-stage1/dietlibc/include/asm/parisc-sigcontext.h b/mdk-stage1/dietlibc/include/asm/parisc-sigcontext.h
new file mode 100644
index 000000000..9428dd3e5
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/parisc-sigcontext.h
@@ -0,0 +1,16 @@
+
+#define PARISC_SC_FLAG_ONSTACK 1<<0
+#define PARISC_SC_FLAG_IN_SYSCALL 1<<1
+
+/* We will add more stuff here as it becomes necessary, until we know
+   it works. */
+struct sigcontext {
+	unsigned long sc_flags;
+
+	unsigned long sc_gr[32]; /* PSW in sc_gr[0] */
+	unsigned long long sc_fr[32]; /* FIXME, do we need other state info? */
+	unsigned long sc_iasq[2];
+	unsigned long sc_iaoq[2];
+	unsigned long sc_sar; /* cr11 */
+};
+
diff --git a/mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h b/mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h
new file mode 100644
index 000000000..1d9704f3a
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h
@@ -0,0 +1,76 @@
+
+struct pt_regs {
+	unsigned long gpr[32];
+	unsigned long nip;
+	unsigned long msr;
+	unsigned long orig_gpr3;	/* Used for restarting system calls */
+	unsigned long ctr;
+	unsigned long link;
+	unsigned long xer;
+	unsigned long ccr;
+	unsigned long mq;		/* 601 only (not used at present) */
+					/* Used on APUS to hold IPL value. */
+	unsigned long trap;		/* Reason for being here */
+	unsigned long dar;		/* Fault registers */
+	unsigned long dsisr;
+	unsigned long result; 		/* Result of a system call */
+};
+
+/*
+ * Offsets used by 'ptrace' system call interface.
+ * These can't be changed without breaking binary compatibility
+ * with MkLinux, etc.
+ */
+#define PT_R0	0
+#define PT_R1	1
+#define PT_R2	2
+#define PT_R3	3
+#define PT_R4	4
+#define PT_R5	5
+#define PT_R6	6
+#define PT_R7	7
+#define PT_R8	8
+#define PT_R9	9
+#define PT_R10	10
+#define PT_R11	11
+#define PT_R12	12
+#define PT_R13	13
+#define PT_R14	14
+#define PT_R15	15
+#define PT_R16	16
+#define PT_R17	17
+#define PT_R18	18
+#define PT_R19	19
+#define PT_R20	20
+#define PT_R21	21
+#define PT_R22	22
+#define PT_R23	23
+#define PT_R24	24
+#define PT_R25	25
+#define PT_R26	26
+#define PT_R27	27
+#define PT_R28	28
+#define PT_R29	29
+#define PT_R30	30
+#define PT_R31	31
+
+#define PT_NIP	32
+#define PT_MSR	33
+#define PT_CTR	35
+#define PT_LNK	36
+#define PT_XER	37
+#define PT_CCR	38
+#define PT_MQ	39
+
+#define PT_FPR0	48	/* each FP reg occupies 2 slots in this space */
+#define PT_FPR31 (PT_FPR0 + 2*31)
+#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
+
+#define sigcontext_struct sigcontext
+struct sigcontext {
+	unsigned long	_unused[4];
+	int		signal;
+	unsigned long	handler;
+	unsigned long	oldmask;
+	struct pt_regs 	*regs;
+};
diff --git a/mdk-stage1/dietlibc/include/asm/sigcontext.h b/mdk-stage1/dietlibc/include/asm/sigcontext.h
new file mode 100644
index 000000000..c4a720cc0
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/sigcontext.h
@@ -0,0 +1,36 @@
+#ifndef _ASM_SIGCONTEXT_H
+#define _ASM_SIGCONTEXT_H
+
+#if defined(__i386__) || defined(__x86_64__)
+#include <asm/i386-sigcontext.h>
+#endif
+
+#ifdef __sparc__
+#include <asm/sparc-sigcontext.h>
+#endif
+
+#ifdef __mips__
+#include <asm/mips-sigcontext.h>
+#endif
+
+#ifdef __powerpc__
+#include <asm/ppc-sigcontext.h>
+#endif
+
+#ifdef __alpha__
+#include <asm/alpha-sigcontext.h>
+#endif
+
+#ifdef __arm__
+#include <asm/arm-sigcontext.h>
+#endif
+
+#ifdef __hppa__
+#include <asm/parisc-sigcontext.h>
+#endif
+
+#ifdef __ia64__
+#include <asm/ia64-sigcontext.h>
+#endif
+
+#endif
diff --git a/mdk-stage1/dietlibc/include/asm/sparc-sigcontext.h b/mdk-stage1/dietlibc/include/asm/sparc-sigcontext.h
new file mode 100644
index 000000000..98e4e09ce
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/sparc-sigcontext.h
@@ -0,0 +1,50 @@
+
+#define __SUNOS_MAXWIN   31
+
+/* This is what SunOS does, so shall I. */
+struct sigcontext {
+	int sigc_onstack;      /* state to restore */
+	int sigc_mask;         /* sigmask to restore */
+	int sigc_sp;           /* stack pointer */
+	int sigc_pc;           /* program counter */
+	int sigc_npc;          /* next program counter */
+	int sigc_psr;          /* for condition codes etc */
+	int sigc_g1;           /* User uses these two registers */
+	int sigc_o0;           /* within the trampoline code. */
+
+	/* Now comes information regarding the users window set
+	 * at the time of the signal.
+	 */
+	int sigc_oswins;       /* outstanding windows */
+
+	/* stack ptrs for each regwin buf */
+	char *sigc_spbuf[__SUNOS_MAXWIN];
+
+	/* Windows to restore after signal */
+	struct {
+		unsigned long	locals[8];
+		unsigned long	ins[8];
+	} sigc_wbuf[__SUNOS_MAXWIN];
+};
+
+typedef struct {
+	struct {
+		unsigned long psr;
+		unsigned long pc;
+		unsigned long npc;
+		unsigned long y;
+		unsigned long u_regs[16]; /* globals and ins */
+	}		si_regs;
+	int		si_mask;
+} __siginfo_t;
+
+typedef struct {
+	unsigned   long si_float_regs [32];
+	unsigned   long si_fsr;
+	unsigned   long si_fpqdepth;
+	struct {
+		unsigned long *insn_addr;
+		unsigned long insn;
+	} si_fpqueue [16];
+} __siginfo_fpu_t;
+
diff --git a/mdk-stage1/dietlibc/include/asm/statfs.h b/mdk-stage1/dietlibc/include/asm/statfs.h
new file mode 100644
index 000000000..53b3b5e4d
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/statfs.h
@@ -0,0 +1 @@
+#include <sys/vfs.h>
diff --git a/mdk-stage1/dietlibc/include/asm/types.h b/mdk-stage1/dietlibc/include/asm/types.h
new file mode 100644
index 000000000..aafa80f16
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/asm/types.h
@@ -0,0 +1,32 @@
+#ifndef _ASM_TYPES_H
+#define _ASM_TYPES_H
+
+#include <sys/types.h>
+
+#ifdef __alpha__
+typedef unsigned int umode_t;
+#else
+typedef unsigned short umode_t;
+#endif
+
+typedef uint8_t __u8;
+typedef uint16_t __u16;
+typedef uint32_t __u32;
+#ifndef __STRICT_ANSI__
+typedef uint64_t __u64;
+#endif
+
+typedef int8_t __s8;
+typedef int16_t __s16;
+typedef int32_t __s32;
+#ifndef __STRICT_ANSI__
+typedef int64_t __s64;
+#endif
+
+#if defined(__alpha__)
+typedef unsigned long __kernel_size_t;
+#else
+typedef unsigned int __kernel_size_t;
+#endif
+
+#endif