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authorcinap_lenrek <cinap_lenrek@felloff.net>2016-05-04 00:23:48 +0200
committercinap_lenrek <cinap_lenrek@felloff.net>2016-05-04 00:23:48 +0200
commit14685d65958bed4d68b9c60564fa8d09aa746462 (patch)
treef2480af19061f27c67a36a2bb8fd7f41d047732a /sys/src/ape/lib/ap/arm/main9.s
parent7657312dcf5b9435ff848b20dfc3a0546ab8a500 (diff)
ape: return plan9 error strings from strerror()
when _syserrno() fails to map a plan9 error string to a unix error number, we copy the plan9 error string to the per process error buffer "plan9err" and set errno = EPLAN9. when strerror() is called with EPLAN9, it returns a pointer to the plan9err buffer.
Diffstat (limited to 'sys/src/ape/lib/ap/arm/main9.s')
-rw-r--r--sys/src/ape/lib/ap/arm/main9.s10
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/src/ape/lib/ap/arm/main9.s b/sys/src/ape/lib/ap/arm/main9.s
index f2b86ca89..b1b0ac86d 100644
--- a/sys/src/ape/lib/ap/arm/main9.s
+++ b/sys/src/ape/lib/ap/arm/main9.s
@@ -6,18 +6,22 @@ sb=12
GLOBL _tos(SB), $4
GLOBL _errnoloc(SB), $4
+GLOBL _plan9err(SB), $4
GLOBL _privates(SB), $4
GLOBL _nprivates(SB), $4
-TEXT _main(SB), 1, $(16+NPRIVATES*4)
+TEXT _main(SB), 1, $(16+4+128+NPRIVATES*4)
MOVW $setR12(SB), R(sb)
/* _tos = arg */
MOVW R(arg), _tos(SB)
- MOVW $errno-68(SP), R1
+
+ MOVW $16(R(sp)), R1
MOVW R1, _errnoloc(SB)
- MOVW $private-64(SP), R1
+ ADD $4, R1
+ MOVW R1, _plan9err(SB)
+ ADD $128, R1
MOVW R1, _privates(SB)
MOVW $NPRIVATES, R1
MOVW R1, _nprivates(SB)