diff options
Diffstat (limited to 'arch/blackfin/kernel/mcount.S')
| -rw-r--r-- | arch/blackfin/kernel/mcount.S | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/mcount.S b/arch/blackfin/kernel/mcount.S new file mode 100644 index 00000000000..edcfb3865f4 --- /dev/null +++ b/arch/blackfin/kernel/mcount.S @@ -0,0 +1,70 @@ +/* + * linux/arch/blackfin/mcount.S + * + * Copyright (C) 2006 Analog Devices Inc. + * + * 2007/04/12 Save index, length, modify and base registers. --rpm + */ + +#include <linux/linkage.h> +#include <asm/blackfin.h> + +.text + +.align 4 /* just in case */ + +ENTRY(__mcount) + [--sp] = i0; + [--sp] = i1; + [--sp] = i2; + [--sp] = i3; + [--sp] = l0; + [--sp] = l1; + [--sp] = l2; + [--sp] = l3; + [--sp] = m0; + [--sp] = m1; + [--sp] = m2; + [--sp] = m3; + [--sp] = b0; + [--sp] = b1; + [--sp] = b2; + [--sp] = b3; + [--sp] = ( r7:0, p5:0 ); + [--sp] = ASTAT; + + p1.L = _ipipe_trace_enable; + p1.H = _ipipe_trace_enable; + r7 = [p1]; + CC = r7 == 0; + if CC jump out; + link 0x10; + r0 = 0x0; + [sp + 0xc] = r0; /* v */ + r0 = 0x0; /* type: IPIPE_TRACE_FN */ + r1 = rets; + p0 = [fp]; /* p0: Prior FP */ + r2 = [p0 + 4]; /* r2: Prior RETS */ + call ___ipipe_trace; + unlink; +out: + ASTAT = [sp++]; + ( r7:0, p5:0 ) = [sp++]; + b3 = [sp++]; + b2 = [sp++]; + b1 = [sp++]; + b0 = [sp++]; + m3 = [sp++]; + m2 = [sp++]; + m1 = [sp++]; + m0 = [sp++]; + l3 = [sp++]; + l2 = [sp++]; + l1 = [sp++]; + l0 = [sp++]; + i3 = [sp++]; + i2 = [sp++]; + i1 = [sp++]; + i0 = [sp++]; + rts; +ENDPROC(__mcount) |