linux-user: Move elf_core_copy_regs to ppc/elfload.c

Move elf_core_copy_regs to elfload.c.
Move HAVE_ELF_CORE_DUMP, ELF_NREGS, target_elf_gregset_t to target_elf.h.
For now, duplicate the definitions of target_elf_greg_t and tswapreg.

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

linux-user/elfload.c

@@ -361,32 +361,6 @@ static const VdsoImageInfo *vdso_image_info(uint32_t elf_flags)
         NEW_AUX_ENT(AT_UCACHEBSIZE, 0);                 \
     } while (0)
 
-/* See linux kernel: arch/powerpc/include/asm/elf.h.  */
-#define ELF_NREG 48
-typedef struct target_elf_gregset_t {
-    target_elf_greg_t regs[ELF_NREG];
-} target_elf_gregset_t;
-
-void elf_core_copy_regs(target_elf_gregset_t *r, const CPUPPCState *env)
-{
-    int i;
-    target_ulong ccr = 0;
-
-    for (i = 0; i < ARRAY_SIZE(env->gpr); i++) {
-        r->regs[i] = tswapreg(env->gpr[i]);
-    }
-
-    r->regs[32] = tswapreg(env->nip);
-    r->regs[33] = tswapreg(env->msr);
-    r->regs[35] = tswapreg(env->ctr);
-    r->regs[36] = tswapreg(env->lr);
-    r->regs[37] = tswapreg(cpu_read_xer(env));
-
-    ccr = ppc_get_cr(env);
-    r->regs[38] = tswapreg(ccr);
-}
-
-#define HAVE_ELF_CORE_DUMP
 #define ELF_EXEC_PAGESIZE       4096
 
 #ifndef TARGET_PPC64

linux-user/ppc/elfload.c

@@ -3,6 +3,7 @@
 #include "qemu/osdep.h"
 #include "qemu.h"
 #include "loader.h"
+#include "target_elf.h"
 
 
 const char *get_elf_cpu_model(uint32_t eflags)
@@ -129,3 +130,24 @@ abi_ulong get_elf_hwcap2(CPUState *cs)
 
     return features;
 }
+
+#define tswapreg(ptr)   tswapal(ptr)
+
+void elf_core_copy_regs(target_elf_gregset_t *r, const CPUPPCState *env)
+{
+    int i;
+    target_ulong ccr = 0;
+
+    for (i = 0; i < ARRAY_SIZE(env->gpr); i++) {
+        r->regs[i] = tswapreg(env->gpr[i]);
+    }
+
+    r->regs[32] = tswapreg(env->nip);
+    r->regs[33] = tswapreg(env->msr);
+    r->regs[35] = tswapreg(env->ctr);
+    r->regs[36] = tswapreg(env->lr);
+    r->regs[37] = tswapreg(cpu_read_xer(env));
+
+    ccr = ppc_get_cr(env);
+    r->regs[38] = tswapreg(ccr);
+}

linux-user/ppc/target_elf.h

@@ -10,5 +10,14 @@
 
 #define HAVE_ELF_HWCAP          1
 #define HAVE_ELF_HWCAP2         1
+#define HAVE_ELF_CORE_DUMP      1
+
+typedef abi_ulong target_elf_greg_t;
+
+/* See linux kernel: arch/powerpc/include/asm/elf.h.  */
+#define ELF_NREG                48
+typedef struct target_elf_gregset_t {
+    target_elf_greg_t regs[ELF_NREG];
+} target_elf_gregset_t;
 
 #endif