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| author | Eric Andersen <andersen@codepoet.org> | 2003-12-17 08:07:14 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2003-12-17 08:07:14 +0000 |
| commit | 14ad6760690b422e2d0f709c06a543196a6da2c0 (patch) | |
| tree | 69c315b6c87ac9ab90cfe435ea3c31f801135368 /ldso/ldso/sh64/dl-startup.h | |
| parent | 0a0a648ed65342e7bb71608894c308bfb6143a4d (diff) | |
Patch from Paul Mundt <lethal@linux-sh.org>:
Here's the patch for the ldso bits for sh64. This is still in need of a bunch
of debugging, testing, etc. and is really only being submitted for general
completeness. This assumes that the previous patches I've submitted have
already been applied.
I plan on playing with this and buildroot some more later, as I'd definitely
like to see buildroot images for sh64.
Diffstat (limited to 'ldso/ldso/sh64/dl-startup.h')
| -rw-r--r-- | ldso/ldso/sh64/dl-startup.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ldso/ldso/sh64/dl-startup.h b/ldso/ldso/sh64/dl-startup.h new file mode 100644 index 000000000..0a538ac30 --- /dev/null +++ b/ldso/ldso/sh64/dl-startup.h @@ -0,0 +1,25 @@ +/* Any assmbly language/system dependent hacks needed to setup boot1.c so it + * will work as expected and cope with whatever platform specific wierdness is + * needed for this architecture. + */ + +asm("" \ +" .section .text..SHmedia32,\"ax\"\n" \ +" .globl _dl_boot\n" \ +" .type _dl_boot, @function\n" \ +" .align 5\n" \ +"_dl_boot:\n" \ +" ! Set r12 to point to GOT\n" \ +" movi (((datalabel _GLOBAL_OFFSET_TABLE_-(.LZZZ3-.)) >> 16) & 65535), r12\n" \ +" shori ((datalabel _GLOBAL_OFFSET_TABLE_-(.LZZZ3-.)) & 65535), r12\n" \ +".LZZZ3:\n" \ +" ptrel/u r12, tr0\n" \ +" gettr tr0, r12 ! GOT address\n" \ +" add r18, r63, r11 ! save return address - needed?\n" \ +" add r15, r63, r2 ! arg = stack pointer\n" \ +" pt _dl_boot2, tr0 ! should work even if PIC\n" \ +" blink tr0, r18 ! call _dl_boot2 - user EP is in r2\n" \ +); + +#define _dl_boot _dl_boot2 +#define LD_BOOT(X) static void * __attribute__ ((unused)) _dl_boot (X) |