diff options
| author | Christophe Lyon <christophe.lyon@linaro.org> | 2018-10-29 14:34:25 +0000 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2018-11-01 04:43:45 +0100 |
| commit | b2db04d0a81a9784d4a007be3bfef21aee207f8f (patch) | |
| tree | ff417b99d916ba18fcde41df079830d103acdc11 /ldso/ldso/arm/aeabi_read_tp.S | |
| parent | 1b41063f4019bd76a7e0f6b429fff5c5dc297fa6 (diff) | |
Add support for Thumb-only processors.
* ldso/ldso/arm/aeabi_read_tp.S: Add Thumb version.
* ldso/ldso/arm/dl-startup.h: Do not force ARM encoding, adjust
for Thumb.
* ldso/ldso/arm/resolve.S: Force Thumb encoding on Thumb-only
processors.
* libc/sysdeps/linux/arm/crt1.S: Do not force ARM encoding, adjust
for Thumb.
Signed-off-by: Mickaël Guêné <mickael.guene@st.com>
Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
Diffstat (limited to 'ldso/ldso/arm/aeabi_read_tp.S')
| -rw-r--r-- | ldso/ldso/arm/aeabi_read_tp.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/ldso/ldso/arm/aeabi_read_tp.S b/ldso/ldso/arm/aeabi_read_tp.S index 77e0d6ecc..5ab51257c 100644 --- a/ldso/ldso/arm/aeabi_read_tp.S +++ b/ldso/ldso/arm/aeabi_read_tp.S @@ -53,9 +53,23 @@ #else .hidden __aeabi_read_tp #endif +#if !defined(__ARM_ARCH_ISA_ARM) + .thumb_func + .thumb + .syntax unified + ENTRY (__aeabi_read_tp) + push {r7} + mov r7, #0x0f0000 + orr r7, r7, #6 + svc #0 + pop {r7} + bx lr +#else + .arm ENTRY (__aeabi_read_tp) mov r0, #0xffff0fff sub pc, r0, #31 +#endif END (__aeabi_read_tp) #endif /* __UCLIBC_HAS_THREADS_NATIVE__ */ |