patch-2.1.124 linux/arch/sparc64/kernel/binfmt_elf32.c

• Lines: 136
• Date: Sun Oct 4 10:22:43 1998
• Orig file: v2.1.123/linux/arch/sparc64/kernel/binfmt_elf32.c
• Orig date: Sun Sep 21 12:55:02 1997

diff -u --recursive --new-file v2.1.123/linux/arch/sparc64/kernel/binfmt_elf32.c linux/arch/sparc64/kernel/binfmt_elf32.c
@@ -1,19 +1,133 @@
-/* binfmt_elf32.c: Support 32-bit Sparc ELF binaries on Ultra.
+/*
+ * binfmt_elf32.c: Support 32-bit Sparc ELF binaries on Ultra.
  *
+ * Copyright (C) 1995, 1996, 1997, 1998 David S. Miller	(davem@dm.cobaltmicro.com)
+ * Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek	(jj@ultra.linux.cz)
  */
 
 #define ELF_ARCH		EM_SPARC
 #define ELF_CLASS		ELFCLASS32
 #define ELF_DATA		ELFDATA2MSB;
 
+/* For the most part we present code dumps in the format
+ * Solaris does.
+ */
+typedef unsigned int elf_greg_t;
+#define ELF_NGREG 38
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* Format is:
+ * 	G0 --> G7
+ *	O0 --> O7
+ *	L0 --> L7
+ *	I0 --> I7
+ *	PSR, PC, nPC, Y, WIM, TBR
+ */
+#include <asm/psrcompat.h>
+#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs)	\
+do {	unsigned int *dest = &(__elf_regs[0]);		\
+	struct pt_regs *src = (__pt_regs);		\
+	unsigned int *sp;				\
+	int i;						\
+	for(i = 0; i < 16; i++)				\
+		dest[i] = (unsigned int) src->u_regs[i];\
+	/* Don't try this at home kids... */		\
+	set_fs(USER_DS);				\
+	sp = (unsigned int *) (src->u_regs[14] &	\
+		0x00000000fffffffc);			\
+	for(i = 0; i < 16; i++)				\
+		__get_user(dest[i+16], &sp[i]);		\
+	set_fs(KERNEL_DS);				\
+	dest[32] = tstate_to_psr(src->tstate);		\
+	dest[33] = (unsigned int) src->tpc;		\
+	dest[34] = (unsigned int) src->tnpc;		\
+	dest[35] = src->y;				\
+	dest[36] = dest[37] = 0; /* XXX */		\
+} while(0);
+
+typedef struct {
+	union {
+		unsigned int	pr_regs[32];
+		unsigned long	pr_dregs[16];
+	} pr_fr;
+	unsigned int __unused;
+	unsigned int	pr_fsr;
+	unsigned char	pr_qcnt;
+	unsigned char	pr_q_entrysize;
+	unsigned char	pr_en;
+	unsigned int	pr_q[64];
+} elf_fpregset_t;
+
+/* UltraSparc extensions.  Still unused, but will be eventually.  */
+typedef struct {
+	unsigned int pr_type;
+	unsigned int pr_align;
+	union {
+		struct {
+			union {
+				unsigned int	pr_regs[32];
+				unsigned long	pr_dregs[16];
+				long double	pr_qregs[8];
+			} pr_xfr;
+		} pr_v8p;
+		unsigned int	pr_xfsr;
+		unsigned int	pr_fprs;
+		unsigned int	pr_xg[8];
+		unsigned int	pr_xo[8];
+		unsigned long	pr_tstate;
+		unsigned int	pr_filler[8];
+	} pr_un;
+} elf_xregset_t;
+
 #define elf_check_arch(x)	(((x) == EM_SPARC) || ((x) == EM_SPARC32PLUS))
 
-#define ELF_ET_DYN_BASE         0x60000000
+#define ELF_ET_DYN_BASE         0x08000000
 
 
 #include <asm/processor.h>
 #include <linux/module.h>
 #include <linux/config.h>
+#include <linux/elfcore.h>
+
+struct timeval32
+{
+	int tv_sec, tv_usec;
+};
+
+#define elf_prstatus elf_prstatus32
+struct elf_prstatus32
+{
+	struct elf_siginfo pr_info;	/* Info associated with signal */
+	short	pr_cursig;		/* Current signal */
+	unsigned int pr_sigpend;	/* Set of pending signals */
+	unsigned int pr_sighold;	/* Set of held signals */
+	pid_t	pr_pid;
+	pid_t	pr_ppid;
+	pid_t	pr_pgrp;
+	pid_t	pr_sid;
+	struct timeval32 pr_utime;	/* User time */
+	struct timeval32 pr_stime;	/* System time */
+	struct timeval32 pr_cutime;	/* Cumulative user time */
+	struct timeval32 pr_cstime;	/* Cumulative system time */
+	elf_gregset_t pr_reg;	/* GP registers */
+	int pr_fpvalid;		/* True if math co-processor being used.  */
+};
+
+#define elf_prpsinfo elf_prpsinfo32
+struct elf_prpsinfo32
+{
+	char	pr_state;	/* numeric process state */
+	char	pr_sname;	/* char for pr_state */
+	char	pr_zomb;	/* zombie */
+	char	pr_nice;	/* nice val */
+	unsigned int pr_flag;	/* flags */
+	u16	pr_uid;
+	u16	pr_gid;
+	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
+	/* Lots missing */
+	char	pr_fname[16];	/* filename of executable */
+	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
+};
 
 #define elf_addr_t	u32
 #define elf_caddr_t	u32