everything's up to date & it looks unrelated to fp.
acid; new()
3346: SVC/SWI Exception _main MOVW.W R14,#-0x14(R13)
3346: Prefetch Abort/Data Abort main+0x4 MOVW R0,argc+0(FP)
acid; step()
3346: Prefetch Abort/Data Abort main+0x8 MOVW $#0x0,R0
acid; step()
3346: Prefetch Abort/Data Abort main+0xc BL gs_malloc_init
acid; next()
3346: Prefetch Abort/Data Abort gs_malloc_init MOVW.W R14,#-0x14(R13)
no source for /tmp/gs/src/gsmalloc.c:496
3346: Prefetch Abort/Data Abort gs_malloc_init+0x4 MOVW R0,parent+0(FP)
3346: Prefetch Abort/Data Abort gs_malloc_init+0x8 BL
gs_malloc_memory_init
3346: Prefetch Abort/Data Abort gs_malloc_memory_init MOVW.W R14,#-0xc(R13)
3346: Prefetch Abort/Data Abort gs_malloc_memory_init+0x4 MOVW
$#0x7c,R0
3346: Prefetch Abort/Data Abort gs_malloc_memory_init+0x8 BL malloc
3346: Prefetch Abort/Data Abort malloc MOVW.W R14,#-0x1c(R13)
3346: Prefetch Abort/Data Abort malloc+0x4 MOVW R0,R7
3346: Prefetch Abort/Data Abort malloc+0x8 MOVW $#0x1,R6
3346: Prefetch Abort/Data Abort malloc+0xc CMP.S $#0x20,R6
3346: Prefetch Abort/Data Abort malloc+0x10 B.GE malloc+0x160
3346: Prefetch Abort/Data Abort malloc+0x14 MOVW $#0x1,R3
3346: Prefetch Abort/Data Abort malloc+0x18 MOVW (R3<<R6),R3
3346: Prefetch Abort/Data Abort malloc+0x1c CMP.S R3,R7
3346: Prefetch Abort/Data Abort malloc+0x20 B.LS malloc+0x2c
3346: Prefetch Abort/Data Abort malloc+0x2c MOVW $arena,R3
3346: Prefetch Abort/Data Abort malloc+0x30 MOVW (R6<<2)(R3),R7
3346: Prefetch Abort/Data Abort malloc+0x34 MOVW.S R7,R4
3346: Prefetch Abort/Data Abort malloc+0x38 B.EQ malloc+0x6c
3346: Prefetch Abort/Data Abort malloc+0x6c MOVW $#0x1,R5
3346: Prefetch Abort/Data Abort malloc+0x70 MOVW R6,R2
3346: Prefetch Abort/Data Abort malloc+0x74 MOVW (R5<<R6),R5
3346: Prefetch Abort/Data Abort malloc+0x78 ADD $#0x14,R5,R5
3346: Prefetch Abort/Data Abort malloc+0x7c ADD $#0x7,R5,R5
3346: Prefetch Abort/Data Abort malloc+0x80 MVN $#0x7,R11
3346: Prefetch Abort/Data Abort malloc+0x84 AND R11,R5,R7
3346: Prefetch Abort/Data Abort malloc+0x88 MOVW R6,R1
3346: Prefetch Abort/Data Abort malloc+0x8c MOVW R6,pow-8(SP)
3346: Prefetch Abort/Data Abort malloc+0x90 CMP.S $#0xc,R6
3346: Prefetch Abort/Data Abort malloc+0x94 B.GE malloc+0x140
3346: Prefetch Abort/Data Abort malloc+0x98 RSB $#0xe,R6,R3
3346: Prefetch Abort/Data Abort malloc+0x9c MOVW R7,R0
3346: Prefetch Abort/Data Abort malloc+0xa0 MOVW R7,size+0(FP)
3346: Prefetch Abort/Data Abort malloc+0xa4 MOVW R3,R6
3346: Prefetch Abort/Data Abort malloc+0xa8 MOVW R3,n-12(SP)
3346: Prefetch Abort/Data Abort malloc+0xac MUL R0,R3,R0
3346: Prefetch Abort/Data Abort malloc+0xb0 BL sbrk
3346: Prefetch Abort/Data Abort sbrk MOVW.W R14,#-0x8(R13)
3346: Prefetch Abort/Data Abort sbrk+0x4 MOVW $bloc-SB,R11
3346: Prefetch Abort/Data Abort sbrk+0x8 MOVW (R11<<0)(R12),R7
3346: Prefetch Abort/Data Abort sbrk+0xc ADD $#0x3,R0,R1
3346: Prefetch Abort/Data Abort sbrk+0x10 MVN $#0x3,R11
3346: Prefetch Abort/Data Abort sbrk+0x14 AND R11,R1,R4
3346: Prefetch Abort/Data Abort sbrk+0x18 MOVW R4,n+0(FP)
3346: Prefetch Abort/Data Abort sbrk+0x1c ADD R4,R7,R0
3346: Prefetch Abort/Data Abort sbrk+0x20 BL _BRK_
3346: Prefetch Abort/Data Abort _BRK_ MOVW R0,#0x4(R13)
3346: Prefetch Abort/Data Abort _BRK_+0x4 MOVW $#0x18,R0
3346: Prefetch Abort/Data Abort _BRK_+0x8 CDP #0x0, #0x0, C(0), C(0),
C(0), #0x0
3346: Prefetch Abort/Data Abort _BRK_+0xc RET
3346: Prefetch Abort/Data Abort sbrk+0x24 MOVW $bloc-SB,R11
3346: Prefetch Abort/Data Abort sbrk+0x28 MOVW (R11<<0)(R12),R6
3346: Prefetch Abort/Data Abort sbrk+0x2c MOVW n+0(FP),R7
3346: Prefetch Abort/Data Abort sbrk+0x30 CMP.S $#0x0,R0
3346: Prefetch Abort/Data Abort sbrk+0x34 MOVW.LT $#0x17,R2
3346: Prefetch Abort/Data Abort sbrk+0x38 MOVW.LT $errno-SB,R11
3346: Prefetch Abort/Data Abort sbrk+0x3c MOVW.LT R2,(R11<<0)(R12)
3346: Prefetch Abort/Data Abort sbrk+0x40 MVN.LT $#0x0,R0
3346: Prefetch Abort/Data Abort sbrk+0x44 RET.LT.P #0x8(R13)
3346: Prefetch Abort/Data Abort sbrk+0x48 ADD R7,R6,R0
3346: Prefetch Abort/Data Abort sbrk+0x4c MOVW $bloc-SB,R11
3346: Prefetch Abort/Data Abort sbrk+0x50 MOVW R0,(R11<<0)(R12)
3346: Prefetch Abort/Data Abort sbrk+0x54 SUB R7,R0,R0
3346: Prefetch Abort/Data Abort sbrk+0x58 RET.P #0x8(R13)
3346: Prefetch Abort/Data Abort malloc+0xb4 MOVW n-12(SP),R7
3346: Prefetch Abort/Data Abort malloc+0xb8 MOVW R0,bp-16(SP)
3346: Prefetch Abort/Data Abort malloc+0xbc MOVW bp-16(SP),R1
3346: Prefetch Abort/Data Abort malloc+0xc0 CMN.S $#0x1,R1
3346: Prefetch Abort/Data Abort 0x300000 no instruction
Notes pending:
sys: trap: fault read va=0x300000
<stdin>:7: (error) follow(addr): can't read instruction: can't read address
0x300000: bad arg in system call
