--- /dev/null
+/* BPF-specific code for C family languages.
+ Copyright (C) 2024 Free Software Foundation, Inc.
+ Contributed by Oracle Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#define IN_TARGET_CODE 1
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "c-family/c-common.h"
+#include "cpplib.h"
+
+/* Define target-specific CPP macros. This function in used in the
+ definition of TARGET_CPU_CPP_BUILTINS in bpf.h */
+
+#define builtin_define(TXT) cpp_define (pfile, TXT)
+
+void
+bpf_target_macros (cpp_reader *pfile)
+{
+ builtin_define ("__BPF__");
+ builtin_define ("__bpf__");
+
+ if (TARGET_BIG_ENDIAN)
+ builtin_define ("__BPF_BIG_ENDIAN__");
+ else
+ builtin_define ("__BPF_LITTLE_ENDIAN__");
+
+ switch (bpf_isa)
+ {
+ case ISA_V1:
+ builtin_define_with_int_value ("__BPF_CPU_VERSION__", 1);
+ break;
+ case ISA_V2:
+ builtin_define_with_int_value ("__BPF_CPU_VERSION__", 2);
+ break;
+ case ISA_V3:
+ builtin_define_with_int_value ("__BPF_CPU_VERSION__", 3);
+ break;
+ case ISA_V4:
+ builtin_define_with_int_value ("__BPF_CPU_VERSION__", 4);
+ break;
+ default:
+ gcc_unreachable ();
+ break;
+ }
+
+ /* Different BPF CPU versions support different features. Some of
+ them can be enabled/disabled explicitly. */
+ if (bpf_has_alu32)
+ builtin_define ("__BPF_FEATURE_ALU32");
+ if (bpf_has_jmp32)
+ builtin_define ("__BPF_FEATURE_JMP32");
+ if (bpf_has_jmpext)
+ builtin_define ("__BPF_FEATURE_JMP_EXT");
+ if (bpf_has_bswap)
+ builtin_define ("__BPF_FEATURE_BSWAP");
+ if (bpf_has_sdiv)
+ builtin_define ("__BPF_FEATURE_SDIV_SMOD");
+ if (bpf_has_smov)
+ builtin_define ("__BPF_FEATURE_MOVSX");
+
+ /* Other CPU features can only be enabled/disabled generically by
+ selecting the corresponding CPU version. */
+ if (bpf_isa >= ISA_V4)
+ {
+ builtin_define ("__BPF_FEATURE_LDSX");
+ builtin_define ("__BPF_FEATURE_GOTOL");
+ builtin_define ("__BPF_FEATURE_ST");
+ }
+}
#undef TARGET_ASM_FILE_END
#define TARGET_ASM_FILE_END bpf_file_end
-/* Define target-specific CPP macros. This function in used in the
- definition of TARGET_CPU_CPP_BUILTINS in bpf.h */
-
-#define builtin_define(TXT) cpp_define (pfile, TXT)
-
-void
-bpf_target_macros (cpp_reader *pfile)
-{
- builtin_define ("__BPF__");
- builtin_define ("__bpf__");
-
- if (TARGET_BIG_ENDIAN)
- builtin_define ("__BPF_BIG_ENDIAN__");
- else
- builtin_define ("__BPF_LITTLE_ENDIAN__");
-}
-
/* Return an RTX representing the place where a function returns or
receives a value of data type RET_TYPE, a tree node representing a
data type. */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-mcpu=v1 -malu32 -mjmp32 -mjmpext -mbswap -msdiv -msmov" } */
+
+#ifndef __BPF_FEATURE_ALU32
+#error __BPF_FEATURE_ALU32 undefined
+#endif
+
+#ifndef __BPF_FEATURE_JMP32
+#error __BPF_FEATURE_JMP32 undefined
+#endif
+
+#ifndef __BPF_FEATURE_JMP_EXT
+#error __BPF_FEATURE_JMP_EXT undefined
+#endif
+
+#ifndef __BPF_FEATURE_SDIV_SMOD
+#error __BPF_FEATURE_SDIV_SMOD undefined
+#endif
+
+#ifndef __BPF_FEATURE_MOVSX
+#error __BPF_FEATURE_MOVSX undefined
+#endif
+
+#ifdef __BPF_FEATURE_LDSX
+#error __BPF_FEATURE_LDSX defined with -mcpu=v1
+#endif
+
+#ifdef __BPF_FEATURE_GOTOL
+#error __BPF_FEATURE_GOTOL defined with -mcpu=v4
+#endif
+
+#ifdef __BPF_FEATURE_ST
+#error __BPF_FEATURE_ST defined with -mcpu=v4
+#endif