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[6/6] ARC: Implement native GDB requirements in procfs.h

Message ID 1403762615-25145-7-git-send-email-vgupta@synopsys.com
State Accepted
Headers show

Commit Message

Vineet Gupta June 26, 2014, 6:03 a.m. UTC 
From: Anton Kolesov <Anton.Kolesov@synopsys.com>

Native GDB requires elf_fpregset_t to be defined, even if floating point
registers are absent. In this case we use empty structure. Additionally we
redefined prfpregset_t to use this new type.

And there has been an error: it was defined that user_regs_struct has 20
registers, while it has 40.

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---
 libc/sysdeps/linux/arc/sys/procfs.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/libc/sysdeps/linux/arc/sys/procfs.h b/libc/sysdeps/linux/arc/sys/procfs.h
index 44676e197338..a9e375b33edb 100755
--- a/libc/sysdeps/linux/arc/sys/procfs.h
+++ b/libc/sysdeps/linux/arc/sys/procfs.h
@@ -30,8 +30,9 @@  typedef unsigned long elf_greg_t;
    user_regs' directly in the typedef, but tradition says that
    the register set is an array, which does have some peculiar
    semantics, so leave it that way.  */
-#define ELF_NGREG 20
+#define ELF_NGREG 40
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+typedef struct { } elf_fpregset_t;
 
 /* Signal info.  */
 struct elf_siginfo
@@ -93,7 +94,7 @@  typedef void *psaddr_t;
 
 /* Register sets.  Linux has different names.  */
 typedef elf_gregset_t prgregset_t;
-typedef elf_gregset_t prfpregset_t;
+typedef elf_fpregset_t prfpregset_t;
 
 /* We don't have any differences between processes and threads,
    therefore have only one PID type.  */