linux-user/mips: Use target_ulong for target_elf_greg_t

Make use of the fact that target_elf_gregset_t is a proper structure.
The target_ulong type matches the abi_ulong/abi_ullong
selection within mips64/target_elf.h.

Drop ELF_NREG, target_elf_greg_t, and tswapreg.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/linux-user/mips/target_elf.h b/linux-user/mips/target_elf.h
index f767767eaa..a4b7fadbd6 100644
--- a/linux-user/mips/target_elf.h
+++ b/linux-user/mips/target_elf.h
@@ -8,16 +8,18 @@
 #ifndef MIPS_TARGET_ELF_H
 #define MIPS_TARGET_ELF_H
 
+#include "target_ptrace.h"
+
 #define HAVE_ELF_HWCAP          1
 #define HAVE_ELF_BASE_PLATFORM  1
 #define HAVE_ELF_CORE_DUMP      1
 
-typedef abi_ulong target_elf_greg_t;
-
 /* See linux kernel: arch/mips/include/asm/elf.h.  */
-#define ELF_NREG                45
 typedef struct target_elf_gregset_t {
-    target_elf_greg_t regs[ELF_NREG];
+    union {
+        abi_ulong reserved[45];
+        struct target_pt_regs pt;
+    };
 } target_elf_gregset_t;
 
 #endif