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Jeremy Fitzhardinge (on Sun, 27 Aug 2006 01:44:20 -0700) wrote: >2: entry.S constructs the stack in the shape of struct pt_regs, and this > is passed around the kernel so that the process's saved register > state can be accessed. >--- a/arch/i386/kernel/entry.S >+++ b/arch/i386/kernel/entry.S >@@ -30,12 +30,14 @@ > * 18(%esp) - %eax > * 1C(%esp) - %ds > * 20(%esp) - %es >+ * 24(%esp) - %fs (not saved/restored) >+ * 28(%esp) - %gs >+ * 2C(%esp) - orig_eax >+ * 30(%esp) - %eip >+ * 34(%esp) - %cs >+ * 38(%esp) - %eflags >+ * 3C(%esp) - %oldesp >+ * 40(%esp) - %oldss ... >+FS = 0x24 >+GS = 0x28 >+ORIG_EAX = 0x2C >+EIP = 0x30 >+CS = 0x34 >+EFLAGS = 0x38 >+OLDESP = 0x3C >+OLDSS = 0x40 Now would be a good time to get rid of those hard coded numbers and use asm-offsets instead. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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