Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 138 insertions, 0 deletions

diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c
new file mode 100644
index 000000000000..8c146b2a1e00
--- /dev/null
+++ b/arch/um/sys-x86_64/ptrace.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ *
+ * Licensed under the GPL
+ */
+
+#define __FRAME_OFFSETS
+#include "asm/ptrace.h"
+#include "linux/sched.h"
+#include "linux/errno.h"
+#include "asm/elf.h"
+
+/* XXX x86_64 */
+unsigned long not_ss;
+unsigned long not_ds;
+unsigned long not_es;
+
+#define SC_SS(r) (not_ss)
+#define SC_DS(r) (not_ds)
+#define SC_ES(r) (not_es)
+
+/* determines which flags the user has access to. */
+/* 1 = access 0 = no access */
+#define FLAG_MASK 0x44dd5UL
+
+int putreg(struct task_struct *child, int regno, unsigned long value)
+{
+        unsigned long tmp;
+
+#ifdef TIF_IA32
+        /* Some code in the 64bit emulation may not be 64bit clean.
+           Don't take any chances. */
+        if (test_tsk_thread_flag(child, TIF_IA32))
+                value &= 0xffffffff;
+#endif
+        switch (regno){
+        case FS:
+        case GS:
+        case DS:
+        case ES:
+        case SS:
+        case CS:
+                if (value && (value & 3) != 3)
+                        return -EIO;
+                value &= 0xffff;
+                break;
+
+        case FS_BASE:
+        case GS_BASE:
+                if (!((value >> 48) == 0 || (value >> 48) == 0xffff))
+                        return -EIO;
+                break;
+
+        case EFLAGS:
+                value &= FLAG_MASK;
+                tmp = PT_REGS_EFLAGS(&child->thread.regs) & ~FLAG_MASK;
+                value |= tmp;
+                break;
+        }
+
+        PT_REGS_SET(&child->thread.regs, regno, value);
+        return 0;
+}
+
+unsigned long getreg(struct task_struct *child, int regno)
+{
+        unsigned long retval = ~0UL;
+        switch (regno) {
+        case FS:
+        case GS:
+        case DS:
+        case ES:
+        case SS:
+        case CS:
+                retval = 0xffff;
+                /* fall through */
+        default:
+                retval &= PT_REG(&child->thread.regs, regno);
+#ifdef TIF_IA32
+                if (test_tsk_thread_flag(child, TIF_IA32))
+                        retval &= 0xffffffff;
+#endif
+        }
+        return retval;
+}
+
+void arch_switch(void)
+{
+/* XXX
+        printk("arch_switch\n");
+*/
+}
+
+int is_syscall(unsigned long addr)
+{
+        panic("is_syscall");
+}
+
+int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu )
+{
+        panic("dump_fpu");
+        return(1);
+}
+
+int get_fpregs(unsigned long buf, struct task_struct *child)
+{
+        panic("get_fpregs");
+        return(0);
+}
+
+int set_fpregs(unsigned long buf, struct task_struct *child)
+{
+        panic("set_fpregs");
+        return(0);
+}
+
+int get_fpxregs(unsigned long buf, struct task_struct *tsk)
+{
+        panic("get_fpxregs");
+        return(0);
+}
+
+int set_fpxregs(unsigned long buf, struct task_struct *tsk)
+{
+        panic("set_fxpregs");
+        return(0);
+}
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */