Annotation of /trunk/mkinitrd-magellan/klibc/usr/klibc/arch/arm/sysstub.ph
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Revision 1297 -
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Fri May 27 15:12:11 2011 UTC (12 years, 11 months ago) by niro
File size: 1473 byte(s)
Fri May 27 15:12:11 2011 UTC (12 years, 11 months ago) by niro
File size: 1473 byte(s)
-updated to klibc-1.5.22 with mntproc definitions patch included
| 1 | niro | 532 | # -*- perl -*- |
| 2 | # | ||
| 3 | # arch/arm/sysstub.ph | ||
| 4 | # | ||
| 5 | # Script to generate system call stubs | ||
| 6 | # | ||
| 7 | |||
| 8 | |||
| 9 | sub make_sysstub($$$$$@) { | ||
| 10 | my($outputdir, $fname, $type, $sname, $stype, @args) = @_; | ||
| 11 | |||
| 12 | open(OUT, '>', "${outputdir}/${fname}.S"); | ||
| 13 | print OUT "#include <asm/unistd.h>\n"; | ||
| 14 | print OUT "#include <klibc/asmmacros.h>\n"; | ||
| 15 | |||
| 16 | print OUT " .text\n"; | ||
| 17 | print OUT " .type ${fname}, #function\n"; | ||
| 18 | print OUT " .globl ${fname}\n"; | ||
| 19 | |||
| 20 | print OUT "#ifndef __thumb__\n"; | ||
| 21 | |||
| 22 | print OUT "#ifndef __ARM_EABI__\n"; | ||
| 23 | |||
| 24 | # ARM version first | ||
| 25 | print OUT " .balign 4\n"; | ||
| 26 | print OUT "${fname}:\n"; | ||
| 27 | print OUT " stmfd sp!,{r4,r5,lr}\n"; | ||
| 28 | print OUT " ldr r4,[sp,#12]\n"; | ||
| 29 | print OUT " ldr r5,[sp,#16]\n"; | ||
| 30 | print OUT " swi # __NR_${sname}\n"; | ||
| 31 | print OUT " b __syscall_common\n"; | ||
| 32 | |||
| 33 | print OUT "#else /* __ARM_EABI__ */\n"; | ||
| 34 | |||
| 35 | # ARM EABI version | ||
| 36 | print out " .balign 4\n"; | ||
| 37 | print OUT "${fname}:\n"; | ||
| 38 | print OUT " stmfd sp!,{r4,r5,r7,lr}\n"; | ||
| 39 | print OUT " bl __syscall_common\n"; | ||
| 40 | print OUT " .word __NR_${sname}\n"; | ||
| 41 | |||
| 42 | print OUT "#endif /* __ARM_EABI__ */\n"; | ||
| 43 | print OUT "#else /* __thumb__ */\n"; | ||
| 44 | |||
| 45 | # Thumb version | ||
| 46 | print OUT " .balign 8\n"; | ||
| 47 | print OUT " .thumb_func\n"; | ||
| 48 | print OUT "${fname}:\n"; | ||
| 49 | print OUT " push {r4,r5,r7,lr}\n"; | ||
| 50 | print OUT " bl __syscall_common\n"; | ||
| 51 | print OUT " .short __NR_${sname}\n"; | ||
| 52 | |||
| 53 | print OUT "#endif /* __thumb__*/\n"; | ||
| 54 | |||
| 55 | niro | 1297 | print OUT " .size ${fname},.-${fname}\n"; |
| 56 | niro | 532 | } |
| 57 | |||
| 58 | 1; |