diff options
Diffstat (limited to 'util')
| -rwxr-xr-x | util/getdefs | 27 | ||||
| -rwxr-xr-x | util/getenum | 21 | ||||
| -rwxr-xr-x | util/make-enum | 45 | ||||
| -rwxr-xr-x | util/make-mask | 55 | ||||
| -rwxr-xr-x | util/make-multiextractor | 25 | ||||
| -rwxr-xr-x | util/make-sym-extractor | 25 | ||||
| -rwxr-xr-x | util/what-architecture-am-i-using | 22 |
7 files changed, 220 insertions, 0 deletions
diff --git a/util/getdefs b/util/getdefs new file mode 100755 index 0000000..869dff6 --- /dev/null +++ b/util/getdefs @@ -0,0 +1,27 @@ +#!/bin/sh + +set -e + +text="$(cat)" + +expr='\(0x[0-9a-fA-F]\+\|[0-9]\+\)[Ll]*[Uu]*[Ll]*' +expr='\(\*\|\/\|[+~-]\|<<\|>>\)\?\s*'"$expr" +expr='\('"$expr"'\|(\|)\)' +expr='\s*\('"$expr"'\s*\)\+' + +filter () { + sed -n 's/^\s*#\s*define\s\+\('"$1"'\)\s\+\('"$expr"'\)\s*\(\/.*\)\?$/\1 \2/p' +} + +if test $# = 0; then + printf '%s\n' "$text" | filter '[A-Z0-9_]\+' +else + for prefix; do + printf '%s\n' "$text" | filter "$prefix"'_[A-Z0-9_]\+' + done +fi | \ +while read name value; do + value="$(printf '%s\n' "$value" | tr -d ULul)" + value=$(printf '%s\n' "$(( $value ))" | cut -d . -f 1) + printf '%s %s\n' "$name" "$value" +done diff --git a/util/getenum b/util/getenum new file mode 100755 index 0000000..84cb73e --- /dev/null +++ b/util/getenum @@ -0,0 +1,21 @@ +#!/bin/sh + +set -e + +sed '1,/^\s*enum\s\+'"$1"'\b/d' | \ +tr '\n' '\0' | cut -d \; -f 1 | tr '\0' '\n' | \ +sed -n 's/^\s*\([A-Z0-9_]\+\)\(\s*=[^,]*\)\?\s*,\?\s*\(\/.*\)\?/\1\2/p' | \ +sed 's/=/ /g' | \ +( + prev=-1 + while read name value; do + if test -z "$value"; then + value=$(( prev + 1 )) + else + value="$(printf '%s\n' "$value" | tr -d ULul)" + value=$(printf '%s\n' "$(( $value ))" | cut -d . -f 1) + fi + printf '%s %s\n' "$name" "$value" + prev=$value + done +) diff --git a/util/make-enum b/util/make-enum new file mode 100755 index 0000000..7b63e3c --- /dev/null +++ b/util/make-enum @@ -0,0 +1,45 @@ +#!/bin/sh + +set -e + +test $# -ge 1 + +lowercase () { printf '%s\n' "$*" | tr '[A-Z]' '[a-z]'; } + +symbols="$(lowercase "$1")" +shift 1 + +validate () { + if (( -$1 > 0x7FFF )) || (( +$1 > 0x7FFF )); then + printf 'Invalid enum value: %s = %x (beyond 16-bit signed integer)\n' $2 $1 >&2 + return 1 + else + return 0 + fi +} + +printf 'static const char *\n' +printf 'extract_symbol_%s(struct libsyscalls_symbol_printer_data *data, ' "$symbols" +printf 'unsigned long long int *valuep, char *fallback_out) /* 1 */\n' +printf '{\n' +printf ' const char *ret;\n' +printf ' switch ((signed long long int)*valuep) {\n' +while read name value; do +validate $value $name +printf ' case %i: ret = "%s"; break;\n' $value $name +done +printf ' default:\n' +if test $# -ge 1; then + for use; do +printf ' if ((ret = extract_symbol_%s(data, valuep, fallback_out))) return ret;\n' "$(lowercase "$use")" + done +fi +printf ' return NULL;\n' +printf ' }\n' +printf ' *valuep = 0;\n' +if test $# = 0; then +printf ' (void) data;\n' +printf ' (void) fallback_out;\n' +fi +printf ' return ret;\n' +printf '}\n' diff --git a/util/make-mask b/util/make-mask new file mode 100755 index 0000000..1285f52 --- /dev/null +++ b/util/make-mask @@ -0,0 +1,55 @@ +#!/bin/sh + +set -e + +test $# -ge 1 + +lowercase () { printf '%s\n' "$*" | tr '[A-Z]' '[a-z]'; } + +symbols="$(lowercase "$1")" +shift 1 + +trailing_zeroes () { + r=0 + x=$1 + while (( (x & 1) == 0 )); do + : $(( r++ )) + x=$(( x >> 1 )) + done + if (( x > 1 )); then + printf 'Invalid bitmask value: %s = %#x: multiple bits set\n' $2 $1 >&2 + exit 1 + fi + printf '%i\n' $r +} + +ifzero= +printf 'static const char *\n' +printf 'extract_symbol_%s(struct libsyscalls_symbol_printer_data *data, ' "$symbols" +printf 'unsigned long long int *valuep, char *fallback_out) /* 1 */\n' +printf '{\n' +printf ' const char *ret;\n' +printf ' signed char bit = trailing_zeroes(*valuep);\n' +printf ' *fallback_out = %s;\n' "'x'" +printf ' switch (bit) {\n' +while read name value; do + if test $value = 0; then ifzero="$name"; continue; fi +printf ' case %i: ret = "%s"; break;\n' $(trailing_zeroes $value $name) $name +done +if test -n "$ifzero"; then +printf ' case -1: return "%s";\n' $ifzero +fi +printf ' default:\n' +if test $# -ge 1; then + for use; do +printf ' if ((ret = extract_symbol_%s(data, valuep, fallback_out))) return ret;\n' "$(lowercase "$use")" + done +fi +printf ' return NULL;\n' +printf ' }\n' +printf ' *valuep ^= 1ULL << (unsigned)bit;\n' +if test $# = 0; then +printf ' (void) data;\n' +fi +printf ' return ret;\n' +printf '}\n' diff --git a/util/make-multiextractor b/util/make-multiextractor new file mode 100755 index 0000000..487162e --- /dev/null +++ b/util/make-multiextractor @@ -0,0 +1,25 @@ +#!/bin/sh + +set -e + +test $# -ge 3 + +lowercase () { printf '%s\n' "$*" | tr '[A-Z]' '[a-z]'; } + +symbols="$(lowercase "$1")" +shift 1 + +printf 'static const char *\n' +printf 'extract_symbol_%s(struct libsyscalls_symbol_printer_data *data, ' "$symbols" +printf 'unsigned long long int *valuep, char *fallback_out) /* %i */\n' $# +printf '{\n' +printf ' switch (data->nr) {\n' +i=0 +for use; do +printf ' case %i:\n' $(( i++ )) +printf ' return extract_symbol_%s(data, valuep, fallback_out);\n' "$(lowercase "$use")" +done +printf ' default:\n' +printf ' abort();\n' +printf ' }\n' +printf '}\n' diff --git a/util/make-sym-extractor b/util/make-sym-extractor new file mode 100755 index 0000000..7fec6b8 --- /dev/null +++ b/util/make-sym-extractor @@ -0,0 +1,25 @@ +#!/bin/sh + +set -e + +test $# = 2 + +symbols="$1" +how="" +deps="" +set $(printf '%s\n' "$2" | tr ',|' ' ') + +for dep; do + if test "$dep" = mask || test "$dep" = enum; then + test -z "$how" + how="$dep" + else + deps="$deps $dep" + fi +done + +test -n "$how" + +dir="$(dirname -- "$0")" + +$dir/make-$how "$symbols" $deps diff --git a/util/what-architecture-am-i-using b/util/what-architecture-am-i-using new file mode 100755 index 0000000..e64d255 --- /dev/null +++ b/util/what-architecture-am-i-using @@ -0,0 +1,22 @@ +#!/bin/sh + +dir="$(dirname -- "$0")" + +for cmd in "$dir"/../*/what-architecture-am-i-using; do + if printf '%s\n' "$cmd" | grep '/util/what-architecture-am-i-using$' > /dev/null; then + continue + fi + "$cmd" "$@" + status=$? + if test $status = 0; then + exit 0 + elif test $status = 1; then + printf '%s\n' 'Architecture not recognised' >&2 + printf 'UNRECOGNISED\n' + exit 1 + fi +done + +printf '%s\n' 'Operating system not recognised' >&2 +printf 'UNRECOGNISED\n' +exit 2 |