diff options
| author | Nick Clifton <nickc@redhat.com> | 2001-09-18 19:42:41 +0400 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2001-09-18 19:42:41 +0400 |
| commit | b244a689092352255c5672a25514e8da8513267e (patch) | |
| tree | eb55b2564b0a9377d52cbc02297236d0982e18be /newlib | |
| parent | 8b77cd25035f952a8f55cb25a0c8d32d58acd888 (diff) | |
oops omitted in previous delta
Diffstat (limited to 'newlib')
| -rw-r--r-- | newlib/libc/sys/arm/crt0.S | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/newlib/libc/sys/arm/crt0.S b/newlib/libc/sys/arm/crt0.S index 42693a4a6..11ce83c0c 100644 --- a/newlib/libc/sys/arm/crt0.S +++ b/newlib/libc/sys/arm/crt0.S @@ -181,12 +181,22 @@ __change_mode: #endif #endif + +#ifdef __USES_INITFINI__ + /* Some arm/elf targets use the .init and .fini sections + to create constructors and destructors, and for these + targets we need to call the _init function and arrange + for _fini to be called at program exit. */ + ldr r0, .Lfini + bl FUNCTION (atexit) + bl FUNCTION (_init) +#endif bl FUNCTION (main) - bl FUNCTION (exit) /* Should not return */ + bl FUNCTION (exit) /* Should not return. */ #ifdef __thumb__ - /* Come out of Thumb mode... This code should be redundant... */ + /* Come out of Thumb mode. This code should be redundant. */ mov a4, pc bx a4 @@ -195,16 +205,14 @@ __change_mode: .global change_back change_back: /* Halt the execution. This code should never be executed. */ - /* - ** With no debug monitor, this probably aborts (eventually). - ** With a Demon debug monitor, this halts cleanly. - ** With an Angel debug monitor, this will report 'Unknown SWI'. - */ + /* With no debug monitor, this probably aborts (eventually). + With a Demon debug monitor, this halts cleanly. + With an Angel debug monitor, this will report 'Unknown SWI'. */ swi SWI_Exit #endif /* For Thumb, constants must be after the code since only - positive offsets are supported for PC relative addresses. */ + positive offsets are supported for PC relative addresses. */ .align 0 .LC0: @@ -215,7 +223,7 @@ change_back: #ifdef __pe__ .word 0x800000 #else -/* .word 0x80000 */ /* Top of RAM on the PIE board */ +/* .word 0x80000 */ /* Top of RAM on the PIE board. */ #endif #endif #endif @@ -223,19 +231,23 @@ change_back: .word __bss_start__ .LC2: .word __bss_end__ - +#ifdef __USES_INITFINI__ +.Lfini: + .word FUNCTION(_fini) +#endif #ifdef ARM_RDI_MONITOR -.LC30: .word CommandLine +.LC30: + .word CommandLine .word 255 -/* Workspace for Angel calls. */ +/* Workspace for Angel calls. */ .data -/* Data returned by monitor SWI */ +/* Data returned by monitor SWI. */ HeapBase: .word 0 HeapLimit: .word 0 StackBase: .word 0 StackLimit: .word 0 -CommandLine: .space 256,0 /* Maximum length of 255 chars handled */ +CommandLine: .space 256,0 /* Maximum length of 255 chars handled. */ #endif #ifdef __pe__ |