Hi David, What's the status of this issue?
If it still persists, maybe it would be a good idea to open an issue in github. Kind regards. Paulo Matos On Friday, 17 January 2020 19:00:13 UTC+1, David Bremner wrote: > > Matthew Flatt <[email protected] <javascript:>> writes: > > > At Fri, 17 Jan 2020 09:43:15 -0400, David Bremner wrote: > >> Matthew Flatt <[email protected] <javascript:>> writes: > >> > At Fri, 17 Jan 2020 08:31:22 -0400, David Bremner wrote: > >> >> => 0xb6ea3254 <+8>: stmdb sp!, {r4, r5, r6, r7, r8, r9, r10, > r11, lr} > >> >> 0xb6ea3258 <+12>: add r3, pc > >> > > >> > That certainly looks like a valid ARM instruction. Maybe the > processor > >> > is expecting Thumb instructions. What does `print $cpsr` report? > >> > >> (gdb) print $cpsr > >> $3 = 196656 > > > > Since bit 5 is set, I think that means the processor was expecting > > Thumb instructions, which at least explains the error. > > > > To confirm that it's some bad jump or mismanagement of the mode by the > > Racket JIT, does changing "racket/src/lightning/arm/asm.h" to disable > > Thumb support allow the build to work? > > I'm not very sure I'm doing the right thing, but With the following > change, I get the same build failure. > > % diff -u asm.h~ asm.h > --- asm.h~ 2019-12-30 19:12:36.000000000 +0000 > +++ asm.h 2020-01-17 16:06:45.964573092 +0000 > @@ -2299,4 +2299,7 @@ > #define THUMB2_CLZ 0xfab0f080 > #define T2_CLZ(rd,rm) thumb2_orrr(THUMB2_CLZ,rd,rm,rm) > > +# undef JIT_ARM_THUMB > +# define JIT_ARM_THUMB 0 > + > #endif /* __lightning_asm_h */ > -- You received this message because you are subscribed to the Google Groups "Racket Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-dev/24fd539c-b9fa-45ac-8bbe-a53f5a1e881e%40googlegroups.com.
