In preparation of making func_desc_t generic, change the ELFv2
version to a struct containing 'addr' element.
This allows using single helpers common to ELFv1 and ELFv2.
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/powerpc/kernel/module_64.c | 32 ++++++++++++++------------------
1 file changed, 14 insertions(+), 18 deletions(-)
diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
index a89da0ee25e2..b687ef88c4c4 100644
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -33,19 +33,13 @@
#ifdef PPC64_ELF_ABI_v2
/* An address is simply the address of the function. */
-typedef unsigned long func_desc_t;
+typedef struct {
+ unsigned long addr;
+} func_desc_t;
static func_desc_t func_desc(unsigned long addr)
{
- return addr;
-}
-static unsigned long func_addr(unsigned long addr)
-{
- return addr;
-}
-static unsigned long stub_func_addr(func_desc_t func)
-{
- return func;
+ return (func_desc_t){addr};
}
/* PowerPC64 specific values for the Elf64_Sym st_other field. */
@@ -70,14 +64,6 @@ static func_desc_t func_desc(unsigned long addr)
{
return *(struct func_desc *)addr;
}
-static unsigned long func_addr(unsigned long addr)
-{
- return func_desc(addr).addr;
-}
-static unsigned long stub_func_addr(func_desc_t func)
-{
- return func.addr;
-}
static unsigned int local_entry_offset(const Elf64_Sym *sym)
{
return 0;
@@ -93,6 +79,16 @@ void *dereference_module_function_descriptor(struct module *mod, void *ptr)
}
#endif
+static unsigned long func_addr(unsigned long addr)
+{
+ return func_desc(addr).addr;
+}
+
+static unsigned long stub_func_addr(func_desc_t func)
+{
+ return func.addr;
+}
+
#define STUB_MAGIC 0x73747562 /* stub */
/* Like PPC32, we need little trampolines to do > 24-bit jumps (into
--
2.31.1
