#define VSWTC 7
#define VSTART 8
#define VSTOP 9
-
-
-
#define VSUSP 10
-#define VDSUSP 11 /* SunOS POSIX nicety I do believe... */
+#define VDSUSP 11 /* SunOS POSIX nicety I do believe... */
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define FFDLY 0x00008000
#define FF0 0x00000000
#define FF1 0x00008000
-#define PAGEOUT 0x00010000 /* SUNOS specific */
-#define WRAP 0x00020000 /* SUNOS specific */
+#define PAGEOUT 0x00010000 /* SUNOS specific */
+#define WRAP 0x00020000 /* SUNOS specific */
/* c_cflag bit meaning */
-#define CBAUD 0x0000000f
-#define B0 0x00000000 /* hang up */
+#define CBAUD 0x0000100f
+#define B0 0x00000000 /* hang up */
#define B50 0x00000001
#define B75 0x00000002
#define B110 0x00000003
#define PARODD 0x00000200
#define HUPCL 0x00000400
#define CLOCAL 0x00000800
-/* We'll never see these speeds with the Zilogs' but for completeness... */
#define CBAUDEX 0x00010000
#define B57600 0x00010001
#define B115200 0x00010002
#define B230400 0x00010003
#define B460800 0x00010004
-#define CIBAUD 0x000f0000 /* input baud rate (not used) */
-#define CMSPAR 010000000000 /* mark or space (stick) parity */
-#define CRTSCTS 0x80000000 /* flow control */
+#define CIBAUD 0x100f0000 /* input baud rate (not used) */
+#define CMSPAR 0x40000000 /* mark or space (stick) parity */
+#define CRTSCTS 0x80000000 /* flow control */
/* c_lflag bits */
#define ISIG 0x00000001
#define ECHOCTL 0x00000200
#define ECHOPRT 0x00000400
#define ECHOKE 0x00000800
-#define DEFECHO 0x00001000 /* SUNOS thing, what is it? */
+#define DEFECHO 0x00001000 /* SUNOS thing, what is it? */
#define FLUSHO 0x00002000
#define PENDIN 0x00004000
#define IEXTEN 0x00008000
--- /dev/null
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+
+/*
+ * Location of the users' stored registers relative to R0.
+ * Usage is as an index into a gregset_t array or as u.u_ar0[XX].
+ */
+#define REG_PSR (0)
+#define REG_PC (1)
+#define REG_nPC (2)
+#define REG_Y (3)
+#define REG_G1 (4)
+#define REG_G2 (5)
+#define REG_G3 (6)
+#define REG_G4 (7)
+#define REG_G5 (8)
+#define REG_G6 (9)
+#define REG_G7 (10)
+#define REG_O0 (11)
+#define REG_O1 (12)
+#define REG_O2 (13)
+#define REG_O3 (14)
+#define REG_O4 (15)
+#define REG_O5 (16)
+#define REG_O6 (17)
+#define REG_O7 (18)
+
+/*
+ * A gregset_t is defined as an array type for compatibility with the reference
+ * source. This is important due to differences in the way the C language
+ * treats arrays and structures as parameters.
+ *
+ * Note that NGREG is really (sizeof (struct regs) / sizeof (greg_t)),
+ * but that the ABI defines it absolutely to be 19.
+ */
+#define NGREG 19
+
+typedef int greg_t;
+typedef greg_t gregset_t[NGREG];
+
+/*
+ * The following structures define how a register window can appear on the
+ * stack. This structure is available (when required) through the `gwins'
+ * field of an mcontext (nested within ucontext). SPARC_MAXWINDOW is the
+ * maximum number of outstanding regiters window defined in the SPARC
+ * architecture (*not* implementation).
+ */
+#define SPARC_MAXREGWINDOW 31 /* max windows in SPARC arch. */
+struct rwindow
+ {
+ greg_t rw_local[8]; /* locals */
+ greg_t rw_in[8]; /* ins */
+ };
+
+#define rw_fp rw_in[6] /* frame pointer */
+#define rw_rtn rw_in[7] /* return address */
+
+typedef struct gwindows
+ {
+ int wbcnt;
+ int *spbuf[SPARC_MAXREGWINDOW];
+ struct rwindow wbuf[SPARC_MAXREGWINDOW];
+ } gwindows_t;
+
+/*
+ * Floating point definitions.
+ */
+
+#define MAXFPQ 16 /* max # of fpu queue entries currently supported */
+
+/*
+ * struct fq defines the minimal format of a floating point instruction queue
+ * entry. The size of entries in the floating point queue are implementation
+ * dependent. The union FQu is guarenteed to be the first field in any ABI
+ * conformant system implementation. Any additional fields provided by an
+ * implementation should not be used applications designed to be ABI conformant. */
+
+struct fpq
+ {
+ unsigned long *fpq_addr; /* address */
+ unsigned long fpq_instr; /* instruction */
+ };
+
+struct fq
+ {
+ union /* FPU inst/addr queue */
+ {
+ double whole;
+ struct fpq fpq;
+ } FQu;
+ };
+
+#define FPU_REGS_TYPE unsigned
+#define FPU_DREGS_TYPE unsigned long long
+#define V7_FPU_FSR_TYPE unsigned
+#define V9_FPU_FSR_TYPE unsigned long long
+#define V9_FPU_FPRS_TYPE unsigned
+
+typedef struct fpu
+ {
+ union { /* FPU floating point regs */
+ unsigned long long fpu_regs[32]; /* 32 singles */
+ double fpu_dregs[16]; /* 16 doubles */
+ } fpu_fr;
+ struct fq *fpu_q; /* ptr to array of FQ entries */
+ unsigned fpu_fsr; /* FPU status register */
+ unsigned char fpu_qcnt; /* # of entries in saved FQ */
+ unsigned char fpu_q_entrysize; /* # of bytes per FQ entry */
+ unsigned char fpu_en; /* flag signifying fpu in use */
+ } fpregset_t;
+
+/*
+ * The following structure is for associating extra register state with
+ * the ucontext structure and is kept within the uc_mcontext filler area.
+ *
+ * If (xrs_id == XRS_ID) then the xrs_ptr field is a valid pointer to
+ * extra register state. The exact format of the extra register state
+ * pointed to by xrs_ptr is platform-dependent.
+ *
+ * Note: a platform may or may not manage extra register state.
+ */
+typedef struct
+ {
+ unsigned int xrs_id; /* indicates xrs_ptr validity */
+ void * xrs_ptr; /* ptr to extra reg state */
+ } xrs_t;
+
+#define XRS_ID 0x78727300 /* the string "xrs" */
+
+typedef struct
+ {
+ gregset_t gregs; /* general register set */
+ gwindows_t *gwins; /* POSSIBLE pointer to register windows */
+ fpregset_t fpregs; /* floating point register set */
+ xrs_t xrs; /* POSSIBLE extra register state association */
+ long filler[19];
+ } mcontext_t;
+
+
+/* Userlevel context. */
+typedef struct ucontext
+ {
+ unsigned long uc_flags;
+ struct ucontext *uc_link;
+ unsigned long uc_sigmask[4]; /* a svr4 sigset_t */
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ long uc_filler[23];
+ } ucontext_t;
+
+#endif /* sys/ucontext.h */
projects / platform / upstream / linaro-glibc.git / commitdiff