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authorChristoph Muellner <christophm30@gmail.com>2021-06-28 02:44:46 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2021-06-29 22:18:21 +0100
commit790a0634838ab44f8f39db647401886667846b59 (patch)
tree4e917f1e2f9a534afc29127d905eb78d899b8e74 /meta/recipes-core
parent0fd7a73c1bd2486b7a022f0f69bbcb2e0d9cb141 (diff)
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ldconfig-native: Add RISC-V support
The current version of ldconfig does not support RISC-V. Let's add a patch, that adds the required constant definitions (from upstream glibc) and the necessary case statements. Signed-off-by: Christoph Muellner <cmuellner@linux.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-core')
-rw-r--r--meta/recipes-core/glibc/ldconfig-native-2.12.1/add-riscv-support.patch79
-rw-r--r--meta/recipes-core/glibc/ldconfig-native_2.12.1.bb1
2 files changed, 80 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/ldconfig-native-2.12.1/add-riscv-support.patch b/meta/recipes-core/glibc/ldconfig-native-2.12.1/add-riscv-support.patch
new file mode 100644
index 0000000000..fc41aee264
--- /dev/null
+++ b/meta/recipes-core/glibc/ldconfig-native-2.12.1/add-riscv-support.patch
@@ -0,0 +1,79 @@
+From fd50228cc213d2d87f5e3cf1f123acb3fda9b04e Mon Sep 17 00:00:00 2001
+From: Christoph Muellner <cmuellner@linux.com>
+Date: Mon, 28 Jun 2021 00:34:12 +0200
+Subject: [PATCH] ldconfig: Add RISC-V support
+
+ldconfig-native does not support RISC-V at the moment.
+Let's pull the reqired constants from upstream and add
+the required parsing code.
+
+Upstream-Status: Backport
+
+Signed-off-by: Christoph Muellner <cmuellner@linux.com>
+---
+ cache.c | 6 ++++++
+ ldconfig.h | 2 ++
+ readelflib.c | 10 ++++++++++
+ 3 files changed, 18 insertions(+)
+
+diff --git a/cache.c b/cache.c
+index c4f5411..a3b9e70 100644
+--- a/cache.c
++++ b/cache.c
+@@ -125,6 +125,12 @@ print_entry (const char *lib, int flag, unsigned int osversion,
+ case FLAG_AARCH64_LIB64:
+ fputs (",AArch64", stdout);
+ break;
++ case FLAG_RISCV_FLOAT_ABI_SOFT:
++ fputs (",soft-float", stdout);
++ break;
++ case FLAG_RISCV_FLOAT_ABI_DOUBLE:
++ fputs (",double-float", stdout);
++ break;
+ case 0:
+ break;
+ default:
+diff --git a/ldconfig.h b/ldconfig.h
+index 6a8a750..2e5e379 100644
+--- a/ldconfig.h
++++ b/ldconfig.h
+@@ -38,6 +38,8 @@
+ #define FLAG_ARM_LIBHF 0x0900
+ #define FLAG_AARCH64_LIB64 0x0a00
+ #define FLAG_ARM_LIBSF 0x0b00
++#define FLAG_RISCV_FLOAT_ABI_SOFT 0x0f00
++#define FLAG_RISCV_FLOAT_ABI_DOUBLE 0x1000
+
+ /* Name of auxiliary cache. */
+ #define _PATH_LDCONFIG_AUX_CACHE "/var/cache/ldconfig/aux-cache"
+diff --git a/readelflib.c b/readelflib.c
+index 9ec0a54..a01e1ce 100644
+--- a/readelflib.c
++++ b/readelflib.c
+@@ -33,6 +33,10 @@
+ #define EM_AARCH64 183 /* ARM AARCH64 */
+ #endif
+
++#ifndef EM_RISCV
++#define EM_RISCV 243 /* RISC-V */
++#endif
++
+ #undef check_ptr
+ #define check_ptr(ptr) \
+ do \
+@@ -331,6 +335,12 @@ process_elf_file64 (const char *file_name, const char *lib, int *flag,
+ /* see sysdeps/unix/sysv/linux/arm/readelflib.c */
+ *flag |= FLAG_AARCH64_LIB64|FLAG_ELF_LIBC6;
+ break;
++ case EM_RISCV:
++ /* RISC-V libraries are always libc.so.6+. */
++ /* NOTE: This does not correctly handle soft-float binaries */
++ /* see sysdeps/unix/sysv/linux/riscv/readelflib.c */
++ *flag |= FLAG_RISCV_FLOAT_ABI_DOUBLE|FLAG_ELF_LIBC6;
++ break;
+ default:
+ error(0, 0, "%s is a 64-bit ELF for unknown machine %lx\n",
+ file_name, (long)elf_header->e_machine);
+--
+2.25.1
+
diff --git a/meta/recipes-core/glibc/ldconfig-native_2.12.1.bb b/meta/recipes-core/glibc/ldconfig-native_2.12.1.bb
index 919d11417d..fd1630b73b 100644
--- a/meta/recipes-core/glibc/ldconfig-native_2.12.1.bb
+++ b/meta/recipes-core/glibc/ldconfig-native_2.12.1.bb
@@ -15,6 +15,7 @@ SRC_URI = "file://ldconfig-native-2.12.1.tar.bz2 \
file://endian-ness_handling_fix.patch \
file://add-64-bit-flag-for-ELF64-entries.patch \
file://no-aux-cache.patch \
+ file://add-riscv-support.patch \
"
PR = "r2"