X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fs390%2Fkernel%2Fbinfmt_elf32.c;h=03ba5893f17b7fcef06b9112f524da8bc8382552;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=01c188c706abf5156e06a4c4a36acd14019cb86c;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git

diff --git a/arch/s390/kernel/binfmt_elf32.c b/arch/s390/kernel/binfmt_elf32.c
index 01c188c70..03ba5893f 100644
--- a/arch/s390/kernel/binfmt_elf32.c
+++ b/arch/s390/kernel/binfmt_elf32.c
@@ -56,6 +56,9 @@
 
 #define ELF_CORE_COPY_REGS(pr_reg, regs) dump_regs32(regs, &pr_reg);
 
+#define ELF_CORE_COPY_TASK_REGS(tsk, regs) dump_task_regs32(tsk, regs)
+
+#define ELF_CORE_COPY_FPREGS(tsk, fpregs) dump_task_fpu(tsk, fpregs)
 
 /* This yields a mask that user programs can use to figure out what
    instruction set this CPU supports. */
@@ -99,13 +102,37 @@ static inline int dump_regs32(struct pt_regs *ptregs, elf_gregset_t *regs)
 	int i;
 
 	memcpy(&regs->psw.mask, &ptregs->psw.mask, 4);
-	memcpy(&regs->psw.addr, &ptregs->psw.addr, 4);
+	memcpy(&regs->psw.addr, (char *)&ptregs->psw.addr + 4, 4);
+	for (i = 0; i < NUM_GPRS; i++)
+		regs->gprs[i] = ptregs->gprs[i];
+	save_access_regs(regs->acrs);
+	regs->orig_gpr2 = ptregs->orig_gpr2;
+	return 1;
+}
+
+static inline int dump_task_regs32(struct task_struct *tsk, elf_gregset_t *regs)
+{
+	struct pt_regs *ptregs = __KSTK_PTREGS(tsk);
+	int i;
+
+	memcpy(&regs->psw.mask, &ptregs->psw.mask, 4);
+	memcpy(&regs->psw.addr, (char *)&ptregs->psw.addr + 4, 4);
 	for (i = 0; i < NUM_GPRS; i++)
 		regs->gprs[i] = ptregs->gprs[i];
+	memcpy(regs->acrs, tsk->thread.acrs, sizeof(regs->acrs));
 	regs->orig_gpr2 = ptregs->orig_gpr2;
 	return 1;
 }
 
+static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
+{
+	if (tsk == current)
+		save_fp_regs((s390_fp_regs *) fpregs);
+	else
+		memcpy(fpregs, &tsk->thread.fp_regs, sizeof(elf_fpregset_t));
+	return 1;
+}
+
 #include <asm/processor.h>
 #include <linux/module.h>
 #include <linux/config.h>
@@ -113,8 +140,6 @@ static inline int dump_regs32(struct pt_regs *ptregs, elf_gregset_t *regs)
 #include <linux/binfmts.h>
 #include <linux/compat.h>
 
-int setup_arg_pages32(struct linux_binprm *bprm, int executable_stack);
-
 #define elf_prstatus elf_prstatus32
 struct elf_prstatus32
 {
@@ -164,7 +189,6 @@ struct elf_prpsinfo32
 
 #undef start_thread
 #define start_thread                    start_thread31 
-#define setup_arg_pages(bprm, exec)     setup_arg_pages32(bprm, exec)
 
 MODULE_DESCRIPTION("Binary format loader for compatibility with 32bit Linux for S390 binaries,"
                    " Copyright 2000 IBM Corporation"); 
@@ -173,12 +197,13 @@ MODULE_AUTHOR("Gerhard Tonn <ton@de.ibm.com>");
 #undef MODULE_DESCRIPTION
 #undef MODULE_AUTHOR
 
-#define jiffies_to_timeval jiffies_to_compat_timeval
+#undef cputime_to_timeval
+#define cputime_to_timeval cputime_to_compat_timeval
 static __inline__ void
-jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
+cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
 {
-	value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
-	value->tv_sec = jiffies / HZ;
+	value->tv_usec = cputime % 1000000;
+	value->tv_sec = cputime / 1000000;
 }
 
 #include "../../../fs/binfmt_elf.c"