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-rw-r--r--gcc/config/i386/i386.cc15
-rw-r--r--gcc/testsuite/gcc.target/i386/pr83782-1.c8
-rw-r--r--gcc/testsuite/gcc.target/i386/pr83782-2.c4
-rw-r--r--gcc/testsuite/gcc.target/i386/pr83782-3.c32
4 files changed, 50 insertions, 9 deletions
diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index e03f86d..5e30dc8 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -16070,6 +16070,19 @@ ix86_call_use_plt_p (rtx call_op)
return true;
}
+/* Implement TARGET_IFUNC_REF_LOCAL_OK. If this hook returns true,
+ the PLT entry will be used as the function address for local IFUNC
+ functions. When the PIC register is needed for PLT call, indirect
+ call via the PLT entry will fail since the PIC register may not be
+ set up properly for indirect call. In this case, we should return
+ false. */
+
+static bool
+ix86_ifunc_ref_local_ok (void)
+{
+ return !flag_pic || (TARGET_64BIT && ix86_cmodel != CM_LARGE_PIC);
+}
+
/* Return true if the function being called was marked with attribute
"noplt" or using -fno-plt and we are compiling for non-PIC. We need
to handle the non-PIC case in the backend because there is no easy
@@ -24953,7 +24966,7 @@ ix86_libgcc_floating_mode_supported_p
ix86_get_multilib_abi_name
#undef TARGET_IFUNC_REF_LOCAL_OK
-#define TARGET_IFUNC_REF_LOCAL_OK hook_bool_void_true
+#define TARGET_IFUNC_REF_LOCAL_OK ix86_ifunc_ref_local_ok
#if !TARGET_MACHO && !TARGET_DLLIMPORT_DECL_ATTRIBUTES
# undef TARGET_ASM_RELOC_RW_MASK
diff --git a/gcc/testsuite/gcc.target/i386/pr83782-1.c b/gcc/testsuite/gcc.target/i386/pr83782-1.c
index ce97b12..8567434 100644
--- a/gcc/testsuite/gcc.target/i386/pr83782-1.c
+++ b/gcc/testsuite/gcc.target/i386/pr83782-1.c
@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { ! ia32 } } } */
/* { dg-require-ifunc "" } */
/* { dg-options "-O2 -fpic" } */
@@ -20,7 +20,5 @@ bar(void)
return foo;
}
-/* { dg-final { scan-assembler {leal[ \t]foo@GOTOFF\(%[^,]*\),[ \t]%eax} { target ia32 } } } */
-/* { dg-final { scan-assembler {lea(?:l|q)[ \t]foo\(%rip\),[ \t]%(?:e|r)ax} { target { ! ia32 } } } } */
-/* { dg-final { scan-assembler-not "foo@GOT\\\(" { target ia32 } } } */
-/* { dg-final { scan-assembler-not "foo@GOTPCREL\\\(" { target { ! ia32 } } } } */
+/* { dg-final { scan-assembler {lea(?:l|q)[ \t]foo\(%rip\),[ \t]%(?:e|r)ax} } } */
+/* { dg-final { scan-assembler-not "foo@GOTPCREL\\\(" } } */
diff --git a/gcc/testsuite/gcc.target/i386/pr83782-2.c b/gcc/testsuite/gcc.target/i386/pr83782-2.c
index e25d258..a654ded 100644
--- a/gcc/testsuite/gcc.target/i386/pr83782-2.c
+++ b/gcc/testsuite/gcc.target/i386/pr83782-2.c
@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { ! ia32 } } } */
/* { dg-require-ifunc "" } */
/* { dg-options "-O2 -fpic" } */
@@ -20,7 +20,5 @@ bar(void)
return foo;
}
-/* { dg-final { scan-assembler {leal[ \t]foo@GOTOFF\(%[^,]*\),[ \t]%eax} { target ia32 } } } */
/* { dg-final { scan-assembler {lea(?:l|q)[ \t]foo\(%rip\),[ \t]%(?:e|r)ax} { target { ! ia32 } } } } */
-/* { dg-final { scan-assembler-not "foo@GOT\\\(" { target ia32 } } } */
/* { dg-final { scan-assembler-not "foo@GOTPCREL\\\(" { target { ! ia32 } } } } */
diff --git a/gcc/testsuite/gcc.target/i386/pr83782-3.c b/gcc/testsuite/gcc.target/i386/pr83782-3.c
new file mode 100644
index 0000000..1536481
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr83782-3.c
@@ -0,0 +1,32 @@
+/* { dg-do run } */
+/* { dg-require-ifunc "" } */
+/* { dg-require-effective-target pie } */
+/* { dg-options "-fpie -pie" } */
+
+#include <stdio.h>
+
+static int __attribute__((noinline))
+implementation (void)
+{
+ printf ("'ere I am JH\n");
+ return 0;
+}
+
+static __typeof__ (implementation) *resolver (void)
+{
+ return (void *)implementation;
+}
+
+extern int magic (void) __attribute__ ((ifunc ("resolver")));
+
+__attribute__ ((weak))
+int
+call_magic (int (*ptr) (void))
+{
+ return ptr ();
+}
+
+int main ()
+{
+ return call_magic (magic);
+}