From a81d59bc8d13402725f0f5b42af92332570484d3 Mon Sep 17 00:00:00 2001 From: Jackie Huang Date: Mon, 15 Sep 2014 06:16:00 -0400 Subject: libgcrypt: Fix ARM assembly when building __PIC__ libgcrypt.so.20 contains .text relocations, backport a patch to fix it. Signed-off-by: Jackie Huang Signed-off-by: Ross Burton --- ...ibgcrypt-1.6.1-make-arm-asm-fPIC-friendly.patch | 169 +++++++++++++++++++++ meta/recipes-support/libgcrypt/libgcrypt_1.6.1.bb | 2 + 2 files changed, 171 insertions(+) create mode 100644 meta/recipes-support/libgcrypt/files/libgcrypt-1.6.1-make-arm-asm-fPIC-friendly.patch (limited to 'meta/recipes-support') diff --git a/meta/recipes-support/libgcrypt/files/libgcrypt-1.6.1-make-arm-asm-fPIC-friendly.patch b/meta/recipes-support/libgcrypt/files/libgcrypt-1.6.1-make-arm-asm-fPIC-friendly.patch new file mode 100644 index 0000000000..340087279d --- /dev/null +++ b/meta/recipes-support/libgcrypt/files/libgcrypt-1.6.1-make-arm-asm-fPIC-friendly.patch @@ -0,0 +1,169 @@ +Fix ARM assembly when building __PIC__ + +* cipher/camellia-arm.S (GET_DATA_POINTER): New. +(_gcry_camellia_arm_encrypt_block): Use GET_DATA_POINTER. +(_gcry_camellia_arm_decrypt_block): Ditto. +* cipher/cast5-arm.S (GET_DATA_POINTER): New. +(_gcry_cast5_arm_encrypt_block, _gcry_cast5_arm_decrypt_block) +(_gcry_cast5_arm_enc_blk2, _gcry_cast5_arm_dec_blk2): Use +GET_DATA_POINTER. +* cipher/rijndael-arm.S (GET_DATA_POINTER): New. +(_gcry_aes_arm_encrypt_block, _gcry_aes_arm_decrypt_block): Use +GET_DATA_POINTER. +-- + +Signed-off-by: Jussi Kivilinna + +Upstream-Status: Backport + +Signed-off-by: Jackie Huang +--- + cipher/camellia-arm.S | 17 +++++++++++++++-- + cipher/cast5-arm.S | 21 +++++++++++++++++---- + cipher/rijndael-arm.S | 17 +++++++++++++++-- + 3 files changed, 47 insertions(+), 8 deletions(-) + +diff --git a/cipher/camellia-arm.S b/cipher/camellia-arm.S +index c30d194..cdeaf8b 100644 +--- a/cipher/camellia-arm.S ++++ b/cipher/camellia-arm.S +@@ -28,6 +28,19 @@ + .syntax unified + .arm + ++#ifdef __PIC__ ++# define GET_DATA_POINTER(reg, name, rtmp) \ ++ ldr reg, 1f; \ ++ ldr rtmp, 2f; \ ++ b 3f; \ ++ 1: .word _GLOBAL_OFFSET_TABLE_-(3f+8); \ ++ 2: .word name(GOT); \ ++ 3: add reg, pc, reg; \ ++ ldr reg, [reg, rtmp]; ++#else ++# define GET_DATA_POINTER(reg, name, rtmp) ldr reg, =name ++#endif ++ + /* struct camellia_ctx: */ + #define key_table 0 + +@@ -261,7 +274,7 @@ _gcry_camellia_arm_encrypt_block: + */ + push {%r1, %r4-%r11, %ip, %lr}; + +- ldr RTAB1, =.Lcamellia_sp1110; ++ GET_DATA_POINTER(RTAB1, .Lcamellia_sp1110, RTAB3); + mov RMASK, #0xff; + add RTAB3, RTAB1, #(2 * 4); + push {%r3}; +@@ -309,7 +322,7 @@ _gcry_camellia_arm_decrypt_block: + */ + push {%r1, %r4-%r11, %ip, %lr}; + +- ldr RTAB1, =.Lcamellia_sp1110; ++ GET_DATA_POINTER(RTAB1, .Lcamellia_sp1110, RTAB3); + mov RMASK, #0xff; + add RTAB3, RTAB1, #(2 * 4); + mov RMASK, RMASK, lsl#4 /* byte mask */ +diff --git a/cipher/cast5-arm.S b/cipher/cast5-arm.S +index ce7fa93..db96db4 100644 +--- a/cipher/cast5-arm.S ++++ b/cipher/cast5-arm.S +@@ -30,6 +30,19 @@ + + .extern _gcry_cast5_s1to4; + ++#ifdef __PIC__ ++# define GET_DATA_POINTER(reg, name, rtmp) \ ++ ldr reg, 1f; \ ++ ldr rtmp, 2f; \ ++ b 3f; \ ++ 1: .word _GLOBAL_OFFSET_TABLE_-(3f+8); \ ++ 2: .word name(GOT); \ ++ 3: add reg, pc, reg; \ ++ ldr reg, [reg, rtmp]; ++#else ++# define GET_DATA_POINTER(reg, name, rtmp) ldr reg, =name ++#endif ++ + /* structure of crypto context */ + #define Km 0 + #define Kr (Km + (16 * 4)) +@@ -260,7 +273,7 @@ _gcry_cast5_arm_encrypt_block: + */ + push {%r1, %r4-%r11, %ip, %lr}; + +- ldr Rs1, =_gcry_cast5_s1to4; ++ GET_DATA_POINTER(Rs1, _gcry_cast5_s1to4, Rs2); + mov RMASK, #(0xff << 2); + add Rs2, Rs1, #(0x100*4); + add Rs3, Rs1, #(0x100*4*2); +@@ -306,7 +319,7 @@ _gcry_cast5_arm_decrypt_block: + */ + push {%r1, %r4-%r11, %ip, %lr}; + +- ldr Rs1, =_gcry_cast5_s1to4; ++ GET_DATA_POINTER(Rs1, _gcry_cast5_s1to4, Rs2); + mov RMASK, #(0xff << 2); + add Rs2, Rs1, #(0x100 * 4); + add Rs3, Rs1, #(0x100 * 4 * 2); +@@ -500,7 +513,7 @@ _gcry_cast5_arm_enc_blk2: + */ + push {%lr}; + +- ldr Rs1, =_gcry_cast5_s1to4; ++ GET_DATA_POINTER(Rs1, _gcry_cast5_s1to4, Rs2); + mov RMASK, #(0xff << 2); + add Rs2, Rs1, #(0x100 * 4); + +@@ -631,7 +644,7 @@ _gcry_cast5_arm_dec_blk2: + * [RR0, RL0], [RR1, RL1]: dst + */ + +- ldr Rs1, =_gcry_cast5_s1to4; ++ GET_DATA_POINTER(Rs1, _gcry_cast5_s1to4, Rs2); + mov RMASK, #(0xff << 2); + add Rs2, Rs1, #(0x100 * 4); + +diff --git a/cipher/rijndael-arm.S b/cipher/rijndael-arm.S +index 22c350c..421c3b4 100644 +--- a/cipher/rijndael-arm.S ++++ b/cipher/rijndael-arm.S +@@ -28,6 +28,19 @@ + .syntax unified + .arm + ++#ifdef __PIC__ ++# define GET_DATA_POINTER(reg, name, rtmp) \ ++ ldr reg, 1f; \ ++ ldr rtmp, 2f; \ ++ b 3f; \ ++ 1: .word _GLOBAL_OFFSET_TABLE_-(3f+8); \ ++ 2: .word name(GOT); \ ++ 3: add reg, pc, reg; \ ++ ldr reg, [reg, rtmp]; ++#else ++# define GET_DATA_POINTER(reg, name, rtmp) ldr reg, =name ++#endif ++ + /* register macros */ + #define CTX %r0 + #define RTAB %lr +@@ -249,7 +262,7 @@ _gcry_aes_arm_encrypt_block: + 2: + sub %sp, #16; + +- ldr RTAB, =.LtableE0; ++ GET_DATA_POINTER(RTAB, .LtableE0, RMASK); + + str %r1, [%sp, #4]; /* dst */ + mov RMASK, #0xff; +@@ -503,7 +516,7 @@ _gcry_aes_arm_decrypt_block: + 2: + sub %sp, #16; + +- ldr RTAB, =.LtableD0; ++ GET_DATA_POINTER(RTAB, .LtableD0, RMASK); + + mov RMASK, #0xff; + str %r1, [%sp, #4]; /* dst */ diff --git a/meta/recipes-support/libgcrypt/libgcrypt_1.6.1.bb b/meta/recipes-support/libgcrypt/libgcrypt_1.6.1.bb index 1657ea4de4..903ed661ed 100644 --- a/meta/recipes-support/libgcrypt/libgcrypt_1.6.1.bb +++ b/meta/recipes-support/libgcrypt/libgcrypt_1.6.1.bb @@ -1,4 +1,6 @@ require libgcrypt.inc +SRC_URI += "file://libgcrypt-1.6.1-make-arm-asm-fPIC-friendly.patch" + SRC_URI[md5sum] = "d155aa1b06fa879175922ba28f6a6509" SRC_URI[sha256sum] = "7c1007197bef49c3b8740cf6af8b4eb4eb74c7a69796ebcf555d928c287255de" -- cgit v1.2.3