summary refs log tree commit diff stats
path: root/linux-user/sh4/elfload.c
diff options
context:
space:
mode:
Diffstat (limited to 'linux-user/sh4/elfload.c')
-rw-r--r--linux-user/sh4/elfload.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/linux-user/sh4/elfload.c b/linux-user/sh4/elfload.c
index 99ad4f6334..71cae9703e 100644
--- a/linux-user/sh4/elfload.c
+++ b/linux-user/sh4/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)
@@ -36,3 +37,31 @@ abi_ulong get_elf_hwcap(CPUState *cs)
 
     return hwcap;
 }
+
+#define tswapreg(ptr)   tswapal(ptr)
+
+/* 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
+};
+
+void elf_core_copy_regs(target_elf_gregset_t *r, const CPUSH4State *env)
+{
+    for (int i = 0; i < 16; i++) {
+        r->regs[i] = tswapreg(env->gregs[i]);
+    }
+
+    r->regs[TARGET_REG_PC] = tswapreg(env->pc);
+    r->regs[TARGET_REG_PR] = tswapreg(env->pr);
+    r->regs[TARGET_REG_SR] = tswapreg(env->sr);
+    r->regs[TARGET_REG_GBR] = tswapreg(env->gbr);
+    r->regs[TARGET_REG_MACH] = tswapreg(env->mach);
+    r->regs[TARGET_REG_MACL] = tswapreg(env->macl);
+    r->regs[TARGET_REG_SYSCALL] = 0; /* FIXME */
+}