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authorRich Felker <dalias@aerifal.cx>2016-01-22 00:02:21 +0000
committerRich Felker <dalias@aerifal.cx>2016-01-22 00:02:21 +0000
commite617b9eea9d45b170eabadf5ca96ca0536c538be (patch)
treea06d433fd4219466e4b27f248e332f9e0482dd5d /arch/arm
parent397f0a6a7d798b0e3f636fe053cad9c483e011fb (diff)
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move arm-specific translation units out of arch/arm/src, to src/*/arm
this is possible with the new build system that allows src/*/$(ARCH)/* files which do not shadow a file in the parent directory, and yields a more logical organization. eventually it will be possible to remove arch/*/src from the build system.
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/src/__aeabi_atexit.c6
-rw-r--r--arch/arm/src/__aeabi_memclr.c9
-rw-r--r--arch/arm/src/__aeabi_memcpy.c9
-rw-r--r--arch/arm/src/__aeabi_memmove.c9
-rw-r--r--arch/arm/src/__aeabi_memset.c9
-rw-r--r--arch/arm/src/__set_thread_area.c49
-rw-r--r--arch/arm/src/atomics.s111
-rw-r--r--arch/arm/src/find_exidx.c42
8 files changed, 0 insertions, 244 deletions
diff --git a/arch/arm/src/__aeabi_atexit.c b/arch/arm/src/__aeabi_atexit.c
deleted file mode 100644
index ce16101d..00000000
--- a/arch/arm/src/__aeabi_atexit.c
+++ /dev/null
@@ -1,6 +0,0 @@
-int __cxa_atexit(void (*func)(void *), void *arg, void *dso);
-
-int __aeabi_atexit (void *obj, void (*func) (void *), void *d)
-{
- return __cxa_atexit (func, obj, d);
-}
diff --git a/arch/arm/src/__aeabi_memclr.c b/arch/arm/src/__aeabi_memclr.c
deleted file mode 100644
index a25306d7..00000000
--- a/arch/arm/src/__aeabi_memclr.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memclr(void *dest, size_t n)
-{
- memset(dest, 0, n);
-}
-weak_alias(__aeabi_memclr, __aeabi_memclr4);
-weak_alias(__aeabi_memclr, __aeabi_memclr8);
diff --git a/arch/arm/src/__aeabi_memcpy.c b/arch/arm/src/__aeabi_memcpy.c
deleted file mode 100644
index 4ae5c777..00000000
--- a/arch/arm/src/__aeabi_memcpy.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memcpy(void *restrict dest, const void *restrict src, size_t n)
-{
- memcpy(dest, src, n);
-}
-weak_alias(__aeabi_memcpy, __aeabi_memcpy4);
-weak_alias(__aeabi_memcpy, __aeabi_memcpy8);
diff --git a/arch/arm/src/__aeabi_memmove.c b/arch/arm/src/__aeabi_memmove.c
deleted file mode 100644
index 951e7d39..00000000
--- a/arch/arm/src/__aeabi_memmove.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memmove(void *dest, const void *src, size_t n)
-{
- memmove(dest, src, n);
-}
-weak_alias(__aeabi_memmove, __aeabi_memmove4);
-weak_alias(__aeabi_memmove, __aeabi_memmove8);
diff --git a/arch/arm/src/__aeabi_memset.c b/arch/arm/src/__aeabi_memset.c
deleted file mode 100644
index 89299757..00000000
--- a/arch/arm/src/__aeabi_memset.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memset(void *dest, size_t n, int c)
-{
- memset(dest, c, n);
-}
-weak_alias(__aeabi_memset, __aeabi_memset4);
-weak_alias(__aeabi_memset, __aeabi_memset8);
diff --git a/arch/arm/src/__set_thread_area.c b/arch/arm/src/__set_thread_area.c
deleted file mode 100644
index 61d02827..00000000
--- a/arch/arm/src/__set_thread_area.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include <stdint.h>
-#include <elf.h>
-#include "pthread_impl.h"
-#include "libc.h"
-
-#define HWCAP_TLS (1 << 15)
-
-extern const unsigned char __attribute__((__visibility__("hidden")))
- __a_barrier_dummy[], __a_barrier_oldkuser[],
- __a_barrier_v6[], __a_barrier_v7[],
- __a_cas_dummy[], __a_cas_v6[], __a_cas_v7[],
- __a_gettp_dummy[];
-
-#define __a_barrier_kuser 0xffff0fa0
-#define __a_cas_kuser 0xffff0fc0
-#define __a_gettp_kuser 0xffff0fe0
-
-extern uintptr_t __attribute__((__visibility__("hidden")))
- __a_barrier_ptr, __a_cas_ptr, __a_gettp_ptr;
-
-#define SET(op,ver) (__a_##op##_ptr = \
- (uintptr_t)__a_##op##_##ver - (uintptr_t)__a_##op##_dummy)
-
-int __set_thread_area(void *p)
-{
-#if !__ARM_ARCH_7A__ && !__ARM_ARCH_7R__ && __ARM_ARCH < 7
- if (__hwcap & HWCAP_TLS) {
- size_t *aux;
- SET(cas, v7);
- SET(barrier, v7);
- for (aux=libc.auxv; *aux; aux+=2) {
- if (*aux != AT_PLATFORM) continue;
- const char *s = (void *)aux[1];
- if (s[0]!='v' || s[1]!='6' || s[2]-'0'<10u) break;
- SET(cas, v6);
- SET(barrier, v6);
- break;
- }
- } else {
- int ver = *(int *)0xffff0ffc;
- SET(gettp, kuser);
- SET(cas, kuser);
- SET(barrier, kuser);
- if (ver < 2) a_crash();
- if (ver < 3) SET(barrier, oldkuser);
- }
-#endif
- return __syscall(0xf0005, p);
-}
diff --git a/arch/arm/src/atomics.s b/arch/arm/src/atomics.s
deleted file mode 100644
index 5c5b0e3e..00000000
--- a/arch/arm/src/atomics.s
+++ /dev/null
@@ -1,111 +0,0 @@
-.syntax unified
-.text
-
-.global __a_barrier
-.hidden __a_barrier
-.type __a_barrier,%function
-__a_barrier:
- ldr ip,1f
- ldr ip,[pc,ip]
- add pc,pc,ip
-1: .word __a_barrier_ptr-1b
-.global __a_barrier_dummy
-.hidden __a_barrier_dummy
-__a_barrier_dummy:
- bx lr
-.global __a_barrier_oldkuser
-.hidden __a_barrier_oldkuser
-__a_barrier_oldkuser:
- push {r0,r1,r2,r3,ip,lr}
- mov r1,r0
- mov r2,sp
- ldr ip,=0xffff0fc0
- mov lr,pc
- mov pc,ip
- pop {r0,r1,r2,r3,ip,lr}
- bx lr
-.global __a_barrier_v6
-.hidden __a_barrier_v6
-__a_barrier_v6:
- mcr p15,0,r0,c7,c10,5
- bx lr
-.global __a_barrier_v7
-.hidden __a_barrier_v7
-__a_barrier_v7:
- .word 0xf57ff05b /* dmb ish */
- bx lr
-
-.global __a_cas
-.hidden __a_cas
-.type __a_cas,%function
-__a_cas:
- ldr ip,1f
- ldr ip,[pc,ip]
- add pc,pc,ip
-1: .word __a_cas_ptr-1b
-.global __a_cas_dummy
-.hidden __a_cas_dummy
-__a_cas_dummy:
- mov r3,r0
- ldr r0,[r2]
- subs r0,r3,r0
- streq r1,[r2]
- bx lr
-.global __a_cas_v6
-.hidden __a_cas_v6
-__a_cas_v6:
- mov r3,r0
- mcr p15,0,r0,c7,c10,5
-1: .word 0xe1920f9f /* ldrex r0,[r2] */
- subs r0,r3,r0
- .word 0x01820f91 /* strexeq r0,r1,[r2] */
- teqeq r0,#1
- beq 1b
- mcr p15,0,r0,c7,c10,5
- bx lr
-.global __a_cas_v7
-.hidden __a_cas_v7
-__a_cas_v7:
- mov r3,r0
- .word 0xf57ff05b /* dmb ish */
-1: .word 0xe1920f9f /* ldrex r0,[r2] */
- subs r0,r3,r0
- .word 0x01820f91 /* strexeq r0,r1,[r2] */
- teqeq r0,#1
- beq 1b
- .word 0xf57ff05b /* dmb ish */
- bx lr
-
-.global __aeabi_read_tp
-.type __aeabi_read_tp,%function
-__aeabi_read_tp:
-
-.global __a_gettp
-.hidden __a_gettp
-.type __a_gettp,%function
-__a_gettp:
- ldr r0,1f
- ldr r0,[pc,r0]
- add pc,pc,r0
-1: .word __a_gettp_ptr-1b
-.global __a_gettp_dummy
-.hidden __a_gettp_dummy
-__a_gettp_dummy:
- mrc p15,0,r0,c13,c0,3
- bx lr
-
-.data
-.global __a_barrier_ptr
-.hidden __a_barrier_ptr
-__a_barrier_ptr:
- .word 0
-
-.global __a_cas_ptr
-.hidden __a_cas_ptr
-__a_cas_ptr:
- .word 0
-
-.global __a_gettp_ptr
-.hidden __a_gettp_ptr
-__a_gettp_ptr:
- .word 0
diff --git a/arch/arm/src/find_exidx.c b/arch/arm/src/find_exidx.c
deleted file mode 100644
index 77c4472b..00000000
--- a/arch/arm/src/find_exidx.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#define _GNU_SOURCE
-#include <link.h>
-#include <stdint.h>
-
-struct find_exidx_data {
- uintptr_t pc, exidx_start;
- int exidx_len;
-};
-
-static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr)
-{
- struct find_exidx_data *data = ptr;
- const ElfW(Phdr) *phdr = info->dlpi_phdr;
- uintptr_t addr, exidx_start = 0;
- int i, match = 0, exidx_len = 0;
-
- for (i = info->dlpi_phnum; i > 0; i--, phdr++) {
- addr = info->dlpi_addr + phdr->p_vaddr;
- switch (phdr->p_type) {
- case PT_LOAD:
- match |= data->pc >= addr && data->pc < addr + phdr->p_memsz;
- break;
- case PT_ARM_EXIDX:
- exidx_start = addr;
- exidx_len = phdr->p_memsz;
- break;
- }
- }
- data->exidx_start = exidx_start;
- data->exidx_len = exidx_len;
- return match;
-}
-
-uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount)
-{
- struct find_exidx_data data;
- data.pc = pc;
- if (dl_iterate_phdr(find_exidx, &data) <= 0)
- return 0;
- *pcount = data.exidx_len / 8;
- return data.exidx_start;
-}