commit 5a71299399c05c4be15faaaede8e9f59b11d84bc
parent d8bebb925a8205cd3a768daef5c71439aeb7340f
Author: Roberto Vargas <roberto.vargas@arm.com>
Date: Fri, 2 Nov 2018 09:22:27 +0000
[libc] Generate error string array in amd64-linux
This array is needed by perror() and strerror().
Diffstat:
7 files changed, 208 insertions(+), 1 deletion(-)
diff --git a/src/libc/arch/amd64/linux/.gitignore b/src/libc/arch/amd64/linux/.gitignore
@@ -8,3 +8,4 @@ _read.s
_write.s
_brk.s
_sigaction.s
+_sys_errlist.c
diff --git a/src/libc/arch/amd64/linux/Makefile b/src/libc/arch/amd64/linux/Makefile
@@ -1,5 +1,6 @@
PROJECTDIR =../../../../..
include $(PROJECTDIR)/scripts/rules.mk
+include ../../rules.mk
OBJS = _Exit.o \
_close.o \
@@ -19,6 +20,7 @@ OBJS = _Exit.o \
raise.o \
signal.o \
time.o \
+ _sys_errlist.o \
all: syscall
$(MAKE) objs
@@ -31,4 +33,4 @@ syscall: syscall.lst
clean:
rm -f `awk '/[0-9]* _/ {print $$2".s"}' syscall.lst`
- rm -f syscall
+ rm -f syscall _sys_errlist.c
diff --git a/src/libc/arch/amd64/linux/errno.lst b/src/libc/arch/amd64/linux/errno.lst
@@ -0,0 +1,131 @@
+EPERM 1 Operation not permitted
+ENOENT 2 No such file or directory
+ESRCH 3 No such process
+EINTR 4 Interrupted system call
+EIO 5 I/O error
+ENXIO 6 No such device or address
+E2BIG 7 Argument list too long
+ENOEXEC 8 Exec format error
+EBADF 9 Bad file number
+ECHILD 10 No child processes
+EAGAIN 11 Try again
+ENOMEM 12 Out of memory
+EACCES 13 Permission denied
+EFAULT 14 Bad address
+ENOTBLK 15 Block device required
+EBUSY 16 Device or resource busy
+EEXIST 17 File exists
+EXDEV 18 Cross-device link
+ENODEV 19 No such device
+ENOTDIR 20 Not a directory
+EISDIR 21 Is a directory
+EINVAL 22 Invalid argument
+ENFILE 23 File table overflow
+EMFILE 24 Too many open files
+ENOTTY 25 Not a typewriter
+ETXTBSY 26 Text file busy
+EFBIG 27 File too large
+ENOSPC 28 No space left on device
+ESPIPE 29 Illegal seek
+EROFS 30 Read-only file system
+EMLINK 31 Too many links
+EPIPE 32 Broken pipe
+EDOM 33 Math argument out of domain of func
+ERANGE 34 Math result not representable
+EDEADLK 35 Resource deadlock would occur
+ENAMETOOLONG 36 File name too long
+ENOLCK 37 No record locks available
+ENOSYS 38 Invalid system call number
+ENOTEMPTY 39 Directory not empty
+ELOOP 40 Too many symbolic links encountered
+ENOMSG 42 No message of desired type
+EIDRM 43 Identifier removed
+ECHRNG 44 Channel number out of range
+EL2NSYNC 45 Level 2 not synchronized
+EL3HLT 46 Level 3 halted
+EL3RST 47 Level 3 reset
+ELNRNG 48 Link number out of range
+EUNATCH 49 Protocol driver not attached
+ENOCSI 50 No CSI structure available
+EL2HLT 51 Level 2 halted
+EBADE 52 Invalid exchange
+EBADR 53 Invalid request descriptor
+EXFULL 54 Exchange full
+ENOANO 55 No anode
+EBADRQC 56 Invalid request code
+EBADSLT 57 Invalid slot
+EBFONT 59 Bad font file format
+ENOSTR 60 Device not a stream
+ENODATA 61 No data available
+ETIME 62 Timer expired
+ENOSR 63 Out of streams resources
+ENONET 64 Machine is not on the network
+ENOPKG 65 Package not installed
+EREMOTE 66 Object is remote
+ENOLINK 67 Link has been severed
+EADV 68 Advertise error
+ESRMNT 69 Srmount error
+ECOMM 70 Communication error on send
+EPROTO 71 Protocol error
+EMULTIHOP 72 Multihop attempted
+EDOTDOT 73 RFS specific error
+EBADMSG 74 Not a data message
+EOVERFLOW 75 Value too large for defined data type
+ENOTUNIQ 76 Name not unique on network
+EBADFD 77 File descriptor in bad state
+EREMCHG 78 Remote address changed
+ELIBACC 79 Can not access a needed shared library
+ELIBBAD 80 Accessing a corrupted shared library
+ELIBSCN 81 .lib section in a.out corrupted
+ELIBMAX 82 Attempting to link in too many shared libraries
+ELIBEXEC 83 Cannot exec a shared library directly
+EILSEQ 84 Illegal byte sequence
+ERESTART 85 Interrupted system call should be restarted
+ESTRPIPE 86 Streams pipe error
+EUSERS 87 Too many users
+ENOTSOCK 88 Socket operation on non-socket
+EDESTADDRREQ 89 Destination address required
+EMSGSIZE 90 Message too long
+EPROTOTYPE 91 Protocol wrong type for socket
+ENOPROTOOPT 92 Protocol not available
+EPROTONOSUPPORT 93 Protocol not supported
+ESOCKTNOSUPPORT 94 Socket type not supported
+EOPNOTSUPP 95 Operation not supported on transport endpoint
+EPFNOSUPPORT 96 Protocol family not supported
+EAFNOSUPPORT 97 Address family not supported by protocol
+EADDRINUSE 98 Address already in use
+EADDRNOTAVAIL 99 Cannot assign requested address
+ENETDOWN 100 Network is down
+ENETUNREACH 101 Network is unreachable
+ENETRESET 102 Network dropped connection because of reset
+ECONNABORTED 103 Software caused connection abort
+ECONNRESET 104 Connection reset by peer
+ENOBUFS 105 No buffer space available
+EISCONN 106 Transport endpoint is already connected
+ENOTCONN 107 Transport endpoint is not connected
+ESHUTDOWN 108 Cannot send after transport endpoint shutdown
+ETOOMANYREFS 109 Too many references: cannot splice
+ETIMEDOUT 110 Connection timed out
+ECONNREFUSED 111 Connection refused
+EHOSTDOWN 112 Host is down
+EHOSTUNREACH 113 No route to host
+EALREADY 114 Operation already in progress
+EINPROGRESS 115 Operation now in progress
+ESTALE 116 Stale file handle
+EUCLEAN 117 Structure needs cleaning
+ENOTNAM 118 Not a XENIX named type file
+ENAVAIL 119 No XENIX semaphores available
+EISNAM 120 Is a named type file
+EREMOTEIO 121 Remote I/O error
+EDQUOT 122 Quota exceeded
+ENOMEDIUM 123 No medium found
+EMEDIUMTYPE 124 Wrong medium type
+ECANCELED 125 Operation Canceled
+ENOKEY 126 Required key not available
+EKEYEXPIRED 127 Key has expired
+EKEYREVOKED 128 Key has been revoked
+EKEYREJECTED 129 Key was rejected by service
+EOWNERDEAD 130 Owner died
+ENOTRECOVERABLE 131 State not recoverable
+ERFKILL 132 Operation not possible due to RF-kill
+EHWPOISON 133 Memory page has hardware error
diff --git a/src/libc/arch/generrno.sh b/src/libc/arch/generrno.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+trap 'r=$?; rm -f $$.tmp; exit $r' EXIT HUP QUIT INT TERM
+
+for i
+do
+ case $i in
+ -o)
+ out=$2
+ shift 2
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ echo usage: generrno.sh [-o output] file ...
+ exit 1
+ ;;
+ *)
+ break
+ ;;
+ esac
+done
+
+awk '
+/^E/ && $2 > 0 {
+ errno[$1] = $2
+}
+
+END {
+ for (i in errno)
+ print "#define", i, errno[i] | "sort -n -k3"
+ close("sort -n -k3")
+}' $@ > $$.tmp && mv $$.tmp ${out:-errno.h}
diff --git a/src/libc/arch/generrstr.sh b/src/libc/arch/generrstr.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+trap 'r=$?; rm -f $$.tmp; exit $r' EXIT HUP INT QUIT TERM
+
+awk '
+/^E/ && $2 > 0 {
+ str = ""
+ for (i = 3; i <= NF; i++)
+ str = str " " $i
+ sub(/^ /, "", str)
+ errstr[$1] = str
+ if ($2 > max)
+ max = $2;
+}
+
+END {
+ print "#include <errno.h>\n"
+ print "char *_sys_errstr[] = {"
+ for (i in errstr)
+ printf "\t%-20.20s = \"%s\",\n", "[" i "]", errstr[i]
+ print "};"
+ print "int _sys_nerr =", $2 + 1 ";"
+}' $@ > $$.tmp && mv $$.tmp _sys_errlist.c
diff --git a/src/libc/arch/posix/geterrno.sh b/src/libc/arch/posix/geterrno.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+awk '/define[ ]*E/ && $3 ~ /[0-9]+/ && $3 > 0 {
+ sub(/\#define[ ]*/, "")
+ sub(/\/\*/, "")
+ sub(/\*\//, "")
+ print
+}' /usr/include/sys/errno.h
diff --git a/src/libc/arch/rules.mk b/src/libc/arch/rules.mk
@@ -0,0 +1,7 @@
+SYSERRNO = $(INCDIR)/bits/$(SYS)/sys/errno.h
+
+$(SYSERRNO): errno.lst
+ ../../generrno.sh -o $@ errno.lst
+
+_sys_errlist.c: errno.lst $(SYSERRNO)
+ ../../generrstr.sh errno.lst
