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| author | Wolfgang Denk <wd@denx.de> | 2009-08-06 21:29:59 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-08-09 23:08:59 +0200 |
| commit | 59b4d7471c42e955bd9846892a0cc7478171778d (patch) | |
| tree | 15db0fed51aa56d6337019c1002e14c559d08f11 | |
| parent | 197324d7d998a791e5137b8176981b4af25220ae (diff) | |
| download | u-boot-imx-59b4d7471c42e955bd9846892a0cc7478171778d.zip u-boot-imx-59b4d7471c42e955bd9846892a0cc7478171778d.tar.gz u-boot-imx-59b4d7471c42e955bd9846892a0cc7478171778d.tar.bz2 | |
ARM EABI: add new helper functions resp. function names
The ARM EABI defines new names for GCC helper functions,
and GCC seems to need some new functions as well.
This patch is a minimal-invasive approach to fix problems with EABI
conformant tool chains (to be used with "USE_PRIVATE_LIBGCC=yes").
Signed-off-by: Wolfgang Denk <wd@denx.de>
Tested-by: Dirk Behme <dirk.behme@googlemail.com>
| -rw-r--r-- | lib_arm/_ashldi3.S | 2 | ||||
| -rw-r--r-- | lib_arm/_ashrdi3.S | 2 | ||||
| -rw-r--r-- | lib_arm/_divsi3.S | 2 | ||||
| -rw-r--r-- | lib_arm/_lshrdi3.S | 2 | ||||
| -rw-r--r-- | lib_arm/_udivsi3.S | 34 |
5 files changed, 33 insertions, 9 deletions
diff --git a/lib_arm/_ashldi3.S b/lib_arm/_ashldi3.S index de4403d..834ddc2 100644 --- a/lib_arm/_ashldi3.S +++ b/lib_arm/_ashldi3.S @@ -35,7 +35,9 @@ Boston, MA 02110-1301, USA. */ #endif .globl __ashldi3 +.globl __aeabi_llsl __ashldi3: +__aeabi_llsl: subs r3, r2, #32 rsb ip, r2, #32 diff --git a/lib_arm/_ashrdi3.S b/lib_arm/_ashrdi3.S index 5edbcb3..671ac87 100644 --- a/lib_arm/_ashrdi3.S +++ b/lib_arm/_ashrdi3.S @@ -35,7 +35,9 @@ Boston, MA 02110-1301, USA. */ #endif .globl __ashrdi3 +.globl __aeabi_lasr __ashrdi3: +__aeabi_lasr: subs r3, r2, #32 rsb ip, r2, #32 diff --git a/lib_arm/_divsi3.S b/lib_arm/_divsi3.S index 9dc15f6..cfbadb2 100644 --- a/lib_arm/_divsi3.S +++ b/lib_arm/_divsi3.S @@ -96,7 +96,9 @@ .align 5 .globl __divsi3 +.globl __aeabi_idiv __divsi3: +__aeabi_idiv: cmp r1, #0 eor ip, r0, r1 @ save the sign of the result. beq Ldiv0 diff --git a/lib_arm/_lshrdi3.S b/lib_arm/_lshrdi3.S index fabfd9f..e7fa799 100644 --- a/lib_arm/_lshrdi3.S +++ b/lib_arm/_lshrdi3.S @@ -35,7 +35,9 @@ Boston, MA 02110-1301, USA. */ #endif .globl __lshrdi3 +.globl __aeabi_llsr __lshrdi3: +__aeabi_llsr: subs r3, r2, #32 rsb ip, r2, #32 diff --git a/lib_arm/_udivsi3.S b/lib_arm/_udivsi3.S index a3f9b59..1309802 100644 --- a/lib_arm/_udivsi3.S +++ b/lib_arm/_udivsi3.S @@ -11,9 +11,12 @@ curbit .req r3 /* pc .req r15 */ .text .globl __udivsi3 - .type __udivsi3 ,function + .type __udivsi3 ,function + .globl __aeabi_uidiv + .type __aeabi_uidiv ,function .align 0 - __udivsi3 : + __udivsi3: + __aeabi_uidiv: cmp divisor, #0 beq Ldiv0 mov curbit, #1 @@ -68,10 +71,23 @@ Ldiv0: mov r0, #0 @ about as wrong as it could be ldmia sp!, {pc} .size __udivsi3 , . - __udivsi3 -/* # 235 "libgcc1.S" */ -/* # 320 "libgcc1.S" */ -/* # 421 "libgcc1.S" */ -/* # 433 "libgcc1.S" */ -/* # 456 "libgcc1.S" */ -/* # 500 "libgcc1.S" */ -/* # 580 "libgcc1.S" */ + +.globl __aeabi_uidivmod +__aeabi_uidivmod: + + stmfd sp!, {r0, r1, ip, lr} + bl __aeabi_uidiv + ldmfd sp!, {r1, r2, ip, lr} + mul r3, r0, r2 + sub r1, r1, r3 + mov pc, lr + +.globl __aeabi_idivmod +__aeabi_idivmod: + + stmfd sp!, {r0, r1, ip, lr} + bl __aeabi_idiv + ldmfd sp!, {r1, r2, ip, lr} + mul r3, r0, r2 + sub r1, r1, r3 + mov pc, lr |