linux-user: add core dump support for SH

Signed-off-by: NNathan Froyd <froydnj@codesourcery.com>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

linux-user/elfload.c

@@ -682,6 +682,39 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
   regs->regs[15] = infop->start_stack;
 }
 
+/* See linux kernel: arch/sh/include/asm/elf.h.  */
+#define ELF_NREG 23
+typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG];
+
+/* See linux kernel: arch/sh/include/asm/ptrace.h.  */
+enum {
+    TARGET_REG_PC = 16,
+    TARGET_REG_PR = 17,
+    TARGET_REG_SR = 18,
+    TARGET_REG_GBR = 19,
+    TARGET_REG_MACH = 20,
+    TARGET_REG_MACL = 21,
+    TARGET_REG_SYSCALL = 22
+};
+
+static inline void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env)
+{
+    int i;
+
+    for (i = 0; i < 16; i++) {
+        (*regs[i]) = tswapl(env->gregs[i]);
+    }
+
+    (*regs)[TARGET_REG_PC] = tswapl(env->pc);
+    (*regs)[TARGET_REG_PR] = tswapl(env->pr);
+    (*regs)[TARGET_REG_SR] = tswapl(env->sr);
+    (*regs)[TARGET_REG_GBR] = tswapl(env->gbr);
+    (*regs)[TARGET_REG_MACH] = tswapl(env->mach);
+    (*regs)[TARGET_REG_MACL] = tswapl(env->macl);
+    (*regs)[TARGET_REG_SYSCALL] = 0; /* FIXME */
+}
+
+#define USE_ELF_CORE_DUMP
 #define ELF_EXEC_PAGESIZE        4096
 
 #endif