* [ Patch 001 ] feature: add support for loongarch
@ 2024-05-24 2:47 wuruilong
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From: wuruilong @ 2024-05-24 2:47 UTC (permalink / raw
To: linux-sparse
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Dear Maintainer:
sparse compiles incorrectly on loongarch, the attached patch compiles
successfully after local testing.
wuruilong
[-- Attachment #2: 0001-Add-support-for-loongarch.patch --]
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From 474acf81ee8162f50c20f41a566510d84a1f828c Mon Sep 17 00:00:00 2001
From: wuruilong <wuruilong@loongson.cn>
Date: Fri, 24 May 2024 02:23:46 +0000
Subject: [PATCH] Add support for loongarch
Signed-off-by: wuruilong <wuruilong@loongson.cn>
---
Makefile | 1 +
machine.h | 3 +++
target-loongarch64.c | 21 +++++++++++++++++++
target.c | 48 +++++++++++++++++++++++---------------------
target.h | 1 +
5 files changed, 51 insertions(+), 23 deletions(-)
create mode 100644 target-loongarch64.c
diff --git a/Makefile b/Makefile
index e172758b..315617f4 100644
--- a/Makefile
+++ b/Makefile
@@ -73,6 +73,7 @@ LIB_OBJS += target-arm64.o
LIB_OBJS += target-bfin.o
LIB_OBJS += target-default.o
LIB_OBJS += target-h8300.o
+LIB_OBJS += target-loongarch64.o
LIB_OBJS += target-m68k.o
LIB_OBJS += target-microblaze.o
LIB_OBJS += target-mips.o
diff --git a/machine.h b/machine.h
index d05b5045..8be3aeed 100644
--- a/machine.h
+++ b/machine.h
@@ -42,6 +42,7 @@ enum machine {
MACH_OPENRISC,
MACH_SH,
MACH_XTENSA,
+ MACH_LOONGARCH64,
MACH_UNKNOWN
};
@@ -55,6 +56,8 @@ enum machine {
#define MACH_NATIVE MACH_X86_64
#elif defined(__i386__) || defined(__i386)
#define MACH_NATIVE MACH_I386
+#elif defined(__loongarch__)
+#define MACH_NATIVE MACH_LOONGARCH64
#elif defined(__mips64__) || (defined(__mips) && __mips == 64)
#define MACH_NATIVE MACH_MIPS64
#elif defined(__mips__) || defined(__mips)
diff --git a/target-loongarch64.c b/target-loongarch64.c
new file mode 100644
index 00000000..34b4d3d9
--- /dev/null
+++ b/target-loongarch64.c
@@ -0,0 +1,21 @@
+#include "symbol.h"
+#include "target.h"
+#include "machine.h"
+
+
+
+static void predefine_loongarch64(const struct target *self)
+{
+ predefine("__loongarch__", 1, "64");
+}
+
+const struct target target_loongarch64 = {
+ .mach = MACH_LOONGARCH64,
+ .bitness = ARCH_LP64,
+
+ .big_endian = 0,
+ .unsigned_char = 1,
+ .has_int128 = 1,
+
+ .predefine = predefine_loongarch64,
+};
diff --git a/target.c b/target.c
index 8ae22d74..0e075d59 100644
--- a/target.c
+++ b/target.c
@@ -94,6 +94,7 @@ static const struct target *targets[] = {
[MACH_PPC64] = &target_ppc64,
[MACH_RISCV32] = &target_riscv32,
[MACH_RISCV64] = &target_riscv64,
+ [MACH_LOONGARCH64] = &target_loongarch64,
[MACH_S390] = &target_s390,
[MACH_S390X] = &target_s390x,
[MACH_SH] = &target_sh,
@@ -112,29 +113,30 @@ enum machine target_parse(const char *name)
enum machine mach;
char bits;
} archs[] = {
- { "alpha", MACH_ALPHA, 64, },
- { "aarch64", MACH_ARM64, 64, },
- { "arm64", MACH_ARM64, 64, },
- { "arm", MACH_ARM, 32, },
- { "bfin", MACH_BFIN, 32, },
- { "h8300", MACH_H8300, 32, },
- { "i386", MACH_I386, 32, },
- { "m68k", MACH_M68K, 32, },
- { "microblaze", MACH_MICROBLAZE,32, },
- { "mips", MACH_MIPS32, 0, },
- { "nds32", MACH_NDS32, 32, },
- { "nios2", MACH_NIOS2, 32, },
- { "openrisc", MACH_OPENRISC, 32, },
- { "powerpc", MACH_PPC32, 0, },
- { "ppc", MACH_PPC32, 0, },
- { "riscv", MACH_RISCV32, 0, },
- { "s390x", MACH_S390X, 64, },
- { "s390", MACH_S390, 32, },
- { "sparc", MACH_SPARC32, 0, },
- { "x86_64", MACH_X86_64, 64, },
- { "x86-64", MACH_X86_64, 64, },
- { "sh", MACH_SH, 32, },
- { "xtensa", MACH_XTENSA, 32, },
+ { "alpha", MACH_ALPHA, 64, },
+ { "aarch64", MACH_ARM64, 64, },
+ { "arm64", MACH_ARM64, 64, },
+ { "arm", MACH_ARM, 32, },
+ { "bfin", MACH_BFIN, 32, },
+ { "h8300", MACH_H8300, 32, },
+ { "i386", MACH_I386, 32, },
+ { "loongarch64",MACH_LOONGARCH64,64, },
+ { "m68k", MACH_M68K, 32, },
+ { "microblaze", MACH_MICROBLAZE, 32, },
+ { "mips", MACH_MIPS32, 0, },
+ { "nds32", MACH_NDS32, 32, },
+ { "nios2", MACH_NIOS2, 32, },
+ { "openrisc", MACH_OPENRISC, 32, },
+ { "powerpc", MACH_PPC32, 0, },
+ { "ppc", MACH_PPC32, 0, },
+ { "riscv", MACH_RISCV32, 0, },
+ { "s390x", MACH_S390X, 64, },
+ { "s390", MACH_S390, 32, },
+ { "sparc", MACH_SPARC32, 0, },
+ { "x86_64", MACH_X86_64, 64, },
+ { "x86-64", MACH_X86_64, 64, },
+ { "sh", MACH_SH, 32, },
+ { "xtensa", MACH_XTENSA, 32, },
{ NULL },
};
const struct arch *p;
diff --git a/target.h b/target.h
index 92b8af91..b24574ae 100644
--- a/target.h
+++ b/target.h
@@ -120,6 +120,7 @@ extern const struct target target_ppc32;
extern const struct target target_ppc64;
extern const struct target target_riscv32;
extern const struct target target_riscv64;
+extern const struct target target_loongarch64;
extern const struct target target_s390;
extern const struct target target_s390x;
extern const struct target target_sh;
--
2.43.0
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