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-rw-r--r--libc/sysdeps/linux/arm/crt0.S29
-rw-r--r--libc/sysdeps/linux/cris/crt0.S12
-rw-r--r--libc/sysdeps/linux/e1/crt0.S9
-rw-r--r--libc/sysdeps/linux/frv/crt0.S13
-rw-r--r--libc/sysdeps/linux/h8300/crt0.S11
-rw-r--r--libc/sysdeps/linux/i386/crt0.S12
-rw-r--r--libc/sysdeps/linux/i960/crt0.S21
-rw-r--r--libc/sysdeps/linux/m68k/crt0.S9
-rw-r--r--libc/sysdeps/linux/microblaze/crt0.S13
-rw-r--r--libc/sysdeps/linux/mips/crt0.S11
-rw-r--r--libc/sysdeps/linux/powerpc/crt0.S9
-rw-r--r--libc/sysdeps/linux/sh/crt0.S17
-rw-r--r--libc/sysdeps/linux/sh64/crt0.S10
-rw-r--r--libc/sysdeps/linux/v850/crt0.S13
14 files changed, 145 insertions, 44 deletions
diff --git a/libc/sysdeps/linux/arm/crt0.S b/libc/sysdeps/linux/arm/crt0.S
index 84bc8cd74..6704a81e2 100644
--- a/libc/sysdeps/linux/arm/crt0.S
+++ b/libc/sysdeps/linux/arm/crt0.S
@@ -18,7 +18,7 @@
NULL
env[0...N] environment variables (pointers)
NULL
-
+
When we are done here, we want
a1=argc
a2=argv[0]
@@ -76,7 +76,7 @@ _start:
/* Copy argv pointer into r1 -- which its final resting place */
mov r1, sp
- /* Skip to the end of argv and put a pointer to whatever
+ /* Skip to the end of argv and put a pointer to whatever
we find there (hopefully the environment) in r2 */
add r2, r1, r0, lsl #2
add r2, r2, #4
@@ -114,16 +114,25 @@ _start:
*/
.section ".note.ABI-tag", "a"
.align 4
- .long 1f - 0f
- .long 3f - 2f
- .long 1
-0: .asciz "GNU"
-1: .align 4
-2: .long 0
- .long 2,0,0
-3: .align 4
+ .long 1f - 0f
+ .long 3f - 2f
+ .long 1
+0: .asciz "GNU"
+1: .align 4
+2: .long 0
+ .long 2,0,0
+3: .align 4
#if defined L_gcrt1 && defined __UCLIBC_PROFILING__
# include "./gmon-start.S"
#endif
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/cris/crt0.S b/libc/sysdeps/linux/cris/crt0.S
index b2f8d02a2..5b5834028 100644
--- a/libc/sysdeps/linux/cris/crt0.S
+++ b/libc/sysdeps/linux/cris/crt0.S
@@ -61,12 +61,12 @@ _start:
0:
ba 0b
nop
-
- ;; Define a symbol for the first piece of initialized data.
- .data
- .globl __data_start
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
__data_start:
- .long 0
- .weak data_start
+ .long 0
+ .weak data_start
data_start = __data_start
+
diff --git a/libc/sysdeps/linux/e1/crt0.S b/libc/sysdeps/linux/e1/crt0.S
index 3e63f5939..9d5e98d30 100644
--- a/libc/sysdeps/linux/e1/crt0.S
+++ b/libc/sysdeps/linux/e1/crt0.S
@@ -6,3 +6,12 @@
.global __start
__start:
call L1, 0, __uClibc_start
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/frv/crt0.S b/libc/sysdeps/linux/frv/crt0.S
index 8a425158f..bd1030963 100644
--- a/libc/sysdeps/linux/frv/crt0.S
+++ b/libc/sysdeps/linux/frv/crt0.S
@@ -57,7 +57,7 @@ _start:
setlo #gprello(.Lcall), gr5
sub.p gr4, gr5, gr4
/* gr4 now holds the _gp address. */
-
+
mov gr16, gr8
sethi.p #gprelhi(__ROFIXUP_LIST__), gr9
sethi #gprelhi(__ROFIXUP_END__), gr10
@@ -99,7 +99,7 @@ _start:
#else
mov.p gr17, gr15
call __uClibc_main
-#endif
+#endif
/* Crash if somehow `exit' returns anyways. */
jmpl @(gr0,gr0)
@@ -108,3 +108,12 @@ _start:
#if defined L_gcrt1 && defined __UCLIBC_PROFILING__
# include "./gmon-start.S"
#endif
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/h8300/crt0.S b/libc/sysdeps/linux/h8300/crt0.S
index b94551b9d..dc7dc8b6d 100644
--- a/libc/sysdeps/linux/h8300/crt0.S
+++ b/libc/sysdeps/linux/h8300/crt0.S
@@ -37,7 +37,7 @@ _start: /* put here so that references to _start work with elf-PIC */
mov.l @(4,sp),er1 /* argv */
mov.l @(8,sp),er2 /* envp */
jsr @___uClibc_main
-
+
/* If that didn't kill us, ... */
__exit:
mov.l er0,er1
@@ -58,3 +58,12 @@ empty_func:
.set atexit,empty_func
#endif
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/i386/crt0.S b/libc/sysdeps/linux/i386/crt0.S
index 3fd7a5e1f..213df9094 100644
--- a/libc/sysdeps/linux/i386/crt0.S
+++ b/libc/sysdeps/linux/i386/crt0.S
@@ -92,7 +92,7 @@ _start:
pushl $_init
#endif
- /* Push envp, argc, and argc arguments to __uClibc_start_main() on the stack */
+ /* Push envp, argc, and argc arguments to __uClibc_start_main() on the stack */
pushl %eax /* Environment pointer */
pushl %ebx /* Argument pointer */
pushl %ecx /* And the argument count */
@@ -104,7 +104,7 @@ _start:
call __uClibc_start_main
#endif
#else
- /* Push envp, argc, and argc arguments to __uClibc_start_main() on the stack */
+ /* Push envp, argc, and argc arguments to __uClibc_start_main() on the stack */
pushl %eax /* Environment pointer */
pushl %ebx /* Argument pointer */
pushl %ecx /* And the argument count */
@@ -120,10 +120,14 @@ _start:
hlt
.size _start,.-_start
- .section ".data"
- .globl __data_start
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
__data_start:
.long 0
+ .weak data_start
+ data_start = __data_start
#if defined L_gcrt1 && defined __UCLIBC_PROFILING__
# include "./gmon-start.S"
diff --git a/libc/sysdeps/linux/i960/crt0.S b/libc/sysdeps/linux/i960/crt0.S
index b235e5c50..b167ad71a 100644
--- a/libc/sysdeps/linux/i960/crt0.S
+++ b/libc/sysdeps/linux/i960/crt0.S
@@ -1,5 +1,5 @@
#
-# clone.S, part of the i960 support for the uClibc library.
+# crt0.S, part of the i960 support for the uClibc library.
#
# Copyright (C) 2002 by Okiok Data Ltd. http://www.okiok.com/
#
@@ -19,7 +19,7 @@
#
/*
- *
+ *
* The behavior in this file is tightly coupled with how the linux kernel sets things up
* on the stack before calling us.
*
@@ -28,7 +28,7 @@
*
* ^
* | <- sp somewhere around here, after being aligned.
- * |
+ * |
* |envp -> envp[0]
* |argv -> argv[0]
* |argc <- g13
@@ -37,13 +37,22 @@
* create_flat_tables_stack_grows_up in fs/binfmt_flat.c
*
* I believe having to use this register could probably be avoided.
- *
+ *
*/
-
+
.globl start
start:
mov g13, r3
ldt (r3), g0
callx ___uClibc_main
-
+
/* We might want to add some instruction so that it crashes if main returns */
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/m68k/crt0.S b/libc/sysdeps/linux/m68k/crt0.S
index 36546835c..44aca7fd1 100644
--- a/libc/sysdeps/linux/m68k/crt0.S
+++ b/libc/sysdeps/linux/m68k/crt0.S
@@ -61,3 +61,12 @@ empty_func:
.set atexit,empty_func
#endif
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/microblaze/crt0.S b/libc/sysdeps/linux/microblaze/crt0.S
index 67416b329..99687b707 100644
--- a/libc/sysdeps/linux/microblaze/crt0.S
+++ b/libc/sysdeps/linux/microblaze/crt0.S
@@ -8,7 +8,7 @@
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License. See the file COPYING.LIB in the main
* directory of this archive for more details.
- *
+ *
* Written by Miles Bader <miles@gnu.org>
*/
@@ -19,7 +19,7 @@
*/
.text
-C_ENTRY(_start):
+C_ENTRY(_start):
lw r5, r0, r1 // Arg 0: argc
addi r6, r1, 4 // Arg 1: argv
@@ -45,3 +45,12 @@ C_ENTRY(_start):
we can be sure that `main' actually gets linked in. */
L_dummy_main_reference:
.long C_SYMBOL_NAME(main)
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/mips/crt0.S b/libc/sysdeps/linux/mips/crt0.S
index 7a79c433f..3ce8c9cd8 100644
--- a/libc/sysdeps/linux/mips/crt0.S
+++ b/libc/sysdeps/linux/mips/crt0.S
@@ -23,7 +23,7 @@
* we can be sure that main() actually gets linked in */
.type main,%function
-__start:
+__start:
#ifdef __PIC__
.set noreorder
bltzal zero,0f
@@ -43,7 +43,7 @@ __start:
/* multiple of 8 for longlong/double support */
la v0, _fini
sw v0, 16(sp) /* stack has 5th argument, address of _fini */
-
+
/* Ok, now run uClibc's main() -- shouldn't return */
jal __uClibc_start_main
@@ -53,6 +53,11 @@ __start:
hlt:
b hlt
- .section ".data"
+/* Define a symbol for the first piece of initialized data. */
+ .data
.globl __data_start
__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/powerpc/crt0.S b/libc/sysdeps/linux/powerpc/crt0.S
index 24110850d..c3b903e1e 100644
--- a/libc/sysdeps/linux/powerpc/crt0.S
+++ b/libc/sysdeps/linux/powerpc/crt0.S
@@ -79,12 +79,15 @@ _start:
#endif
.size _start,.-_start
- .section ".data"
- .globl __data_start
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
#if defined L_gcrt1 && defined __UCLIBC_PROFILING__
# include "./gmon-start.S"
#endif
-
diff --git a/libc/sysdeps/linux/sh/crt0.S b/libc/sysdeps/linux/sh/crt0.S
index 64dd3f493..a978b3fcf 100644
--- a/libc/sysdeps/linux/sh/crt0.S
+++ b/libc/sysdeps/linux/sh/crt0.S
@@ -70,7 +70,7 @@ _start:
jmp @r0
nop
-_start_end:
+_start_end:
.align 2
L_main:
@@ -101,7 +101,7 @@ L_main:
mov.l L_abort, r0
jmp @r0
nop
-_start_end:
+_start_end:
.align 2
L_main:
@@ -124,9 +124,18 @@ L_fini:
#endif
-L_abort:
- .long abort
+L_abort:
+ .long abort
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
#if defined L_gcrt1 && defined __UCLIBC_PROFILING__
# include "./gmon-start.S"
#endif
+
diff --git a/libc/sysdeps/linux/sh64/crt0.S b/libc/sysdeps/linux/sh64/crt0.S
index bd54ba5e2..271dfbaca 100644
--- a/libc/sysdeps/linux/sh64/crt0.S
+++ b/libc/sysdeps/linux/sh64/crt0.S
@@ -43,7 +43,7 @@
.section .text64,"xa"
.align 2 /* 2^2 = 4 */
-
+
_start:
/* Clear the frame pointer since this is the outermost frame. */
### mov #0, r14 # qqq
@@ -76,3 +76,11 @@ __main:
ptabs/l r18,tr0
blink tr0,r63
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
diff --git a/libc/sysdeps/linux/v850/crt0.S b/libc/sysdeps/linux/v850/crt0.S
index fe36d0af8..11d7bb5aa 100644
--- a/libc/sysdeps/linux/v850/crt0.S
+++ b/libc/sysdeps/linux/v850/crt0.S
@@ -7,7 +7,7 @@
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License. See the file COPYING.LIB in the main
* directory of this archive for more details.
- *
+ *
* Written by Miles Bader <miles@gnu.org>
*/
@@ -18,7 +18,7 @@
*/
.text
-C_ENTRY(start):
+C_ENTRY(start):
ld.w 0[sp], r6 // Arg 0: argc
addi 4, sp, r7 // Arg 1: argv
@@ -46,3 +46,12 @@ C_ENTRY(start):
we can be sure that `main' actually gets linked in. */
L_dummy_main_reference:
.long C_SYMBOL_NAME(main)
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 23:58:26 +0000