mirrors/scst
1
0
Fork 0
mirror of https://github.com/SCST-project/scst.git synced 2026-05-20 20:21:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

svn merge -r3389:3974 https://scst.svn.sourceforge.net/svnroot/scst/trunk/scripts

Browse Source 
git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/2.1.0.x@3975 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2011-12-10 13:52:02 +00:00
parent 26c783ac56
commit 9ca8fb0ba7
7 changed files with 501 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

98
scripts/specialize-patch
View File

@@ -31,7 +31,8 @@
# the KERNEL_VERSION() macro.
function version_code(kver, array) {
match(kver, "([0-9]+).([0-9]+).([0-9]+)", array)
if (!match(kver, "([0-9]+).([0-9]+).([0-9]+)", array))
match(kver, "([0-9]+).([0-9]+)", array)
return 65536*array[1] + 256*array[2] + array[3]
}
@@ -59,7 +60,7 @@ function evaluate(stmnt, pattern, arg, op, result) {
if (match(stmnt, "^+#ifndef (.*)$", arg))
{
stmnt = "+#if ! defined(" arg[1] ")"
stmnt = "+#if !defined(" arg[1] ")"
}
gsub("LINUX_VERSION_CODE", LINUX_VERSION_CODE, stmnt)
@@ -165,8 +166,8 @@ function evaluate(stmnt, pattern, arg, op, result) {
while (match(stmnt, pattern, op) != 0)
{
result="error"
if (op[2] == "+") result = op[1] * op[3]
else if (op[2] == "-") result = op[1] / op[3]
if (op[2] == "+") result = op[1] + op[3]
else if (op[2] == "-") result = op[1] - op[3]
sub(pattern, result, stmnt)
}
@@ -195,6 +196,18 @@ function evaluate(stmnt, pattern, arg, op, result) {
stmnt = "+#if " (op[1] != 0 ? op[2] : op[1])
}
pattern="^+#if[ ]*(!*[ ]*defined[ ]*\\([ ]*[A-Za-z_]*[ ]*\\))\\&\\&[ ]*([01])[ ]*$"
while (match(stmnt, pattern, op) != 0)
{
stmnt = "+#if " (op[2] != 0 ? op[1] : op[2])
}
pattern="^+#if[ ]*(!*[ ]*[A-Za-z_]*[ ]*)\\&\\&[ ]*([01])[ ]*$"
while (match(stmnt, pattern, op) != 0)
{
stmnt = "+#if " (op[2] != 0 ? op[1] : op[2])
}
pattern="(-*[0-9]+)[ ]*\\|\\|[ ]*(-*[0-9]+)"
while (match(stmnt, pattern, op) != 0)
{
@@ -228,9 +241,9 @@ function evaluate(stmnt, pattern, arg, op, result) {
}
# Evaluate ! stmnt
# Evaluate !stmnt
function invert(stmnt) {
return evaluate(gensub("^+#if (.*)$", "+#if ! (\\1)", "g", stmnt))
return evaluate(gensub("^+#if (.*)$", "+#if !(\\1)", "g", stmnt))
}
@@ -246,14 +259,13 @@ function handle_if(evaluated)
|| $0 ~ "RHEL_MAJOR" \
|| $0 ~ "RHEL_MINOR" \
|| $0 ~ "RHEL_RELEASE_CODE" \
|| $0 ~ "GENERATING_UPSTREAM_PATCH" \
|| generating_upstream_patch_defined \
&& $0 ~ "GENERATING_UPSTREAM_PATCH" \
|| $0 ~ "CONFIG_TCP_ZERO_COPY_TRANSFER_COMPLETION_NOTIFICATION" \
|| ($0 ~ "CONFIG_SCST_PROC" && config_scst_proc_undefined) \
|| ($0 ~ "SCSI_EXEC_REQ_FIFO_DEFINED" && SCSI_EXEC_REQ_FIFO_DEFINED!="") \
|| ($0 ~ "SCST_IO_CONTEXT" && SCST_IO_CONTEXT != ""))
{
#print $0 " -> " evaluated
$0 = evaluated
}
else
{
@@ -268,7 +280,7 @@ function handle_if(evaluated)
if_stmnt[if_nesting_level] = evaluated
any_section_output[if_nesting_level] = 0
decision[if_nesting_level] = evaluated
inv_decision[if_nesting_level] = evaluate(sprintf("+#if ! %s", substr(evaluated, 6)))
inv_decision[if_nesting_level] = evaluate(sprintf("+#if !%s", substr(evaluated, 6)))
if (debug)
printf "/* debug specialize-patch: (f) %s / %s */\n", \
decision[if_nesting_level], inv_decision[if_nesting_level]
@@ -283,7 +295,7 @@ function handle_if(evaluated)
evaluated = evaluate(evaluated)
decision[if_nesting_level] = evaluated
inv_decision[if_nesting_level] \
= evaluate(sprintf("+#if %s && ! %s", \
= evaluate(sprintf("+#if %s && !%s", \
substr(inv_decision[if_nesting_level], 6), \
substr(evaluated, 6)))
if (debug)
@@ -300,9 +312,11 @@ function handle_if(evaluated)
function process_preprocessor_statement(evaluated, condition) {
evaluated = evaluate($0)
condition = 1
ei = evaluated_if_stmnt[if_nesting_level];
if (evaluated ~ "^+#if")
{
if_nesting_level++
evaluated_if_stmnt[if_nesting_level] = evaluated
evaluated = handle_if(evaluated)
}
else if (evaluated ~ "^+#elif")
@@ -326,12 +340,17 @@ function process_preprocessor_statement(evaluated, condition) {
if (condition)
{
output = 1
for (i = if_nesting_level; i >= 0; i--)
{
output = output && decision[i] != "+#if 0"
for (i = if_nesting_level; i >= 0; i--) {
if (debug)
printf "/* debug specialize-patch: (g1) %s: decision[%d] = %s */\n", \
evaluated, i, decision[i]
output = output && decision[i] != "+#if 0" && decision[i] != "+#elif 0"
}
if (output)
any_section_output[if_nesting_level] = 1
if (debug)
printf "/* debug specialize-patch: (g2) %s: output = %d */\n", \
evaluated, output
}
if (evaluated ~ "^+#define SCSI_EXEC_REQ_FIFO_DEFINED$" \
&& SCSI_EXEC_REQ_FIFO_DEFINED != "" \
@@ -343,10 +362,48 @@ function process_preprocessor_statement(evaluated, condition) {
discard = 1
delete_next_blank_line = 1
}
else if (output && (! condition || condition && matching_if !~ "^+#if [01]"))
else if (output && (!condition \
|| condition && matching_if !~ "^+#if [01]" \
&& matching_if !~ "^+#elif [01]"))
{
for (i = 0; i < input_line_count; i++)
line[lines++] = input_line[i]
if (evaluated == "+#if undecided" \
|| (evaluated !~ "^+#if" \
&& evaluated !~ "^+#elif" \
&& evaluated !~ "^+#endif"))
{
for (i = 0; i < input_line_count; i++)
line[lines++] = input_line[i]
} else {
# If the statement being processed is an #else or #endif that is not a
# header file include guard and if that statement has a trailing comment,
# replace that comment by the partially evaluated matching #if expression.
if (evaluated ~ "^+#else" || evaluated ~ "^+#endif") {
if ($0 ~ "\\*/") {
if ($0 ~ "_H_* \\*/$") {
evaluated = $0
} else {
if (ei ~ "^+#if ")
ei = substr(ei, 6)
else if (ei ~ "^+#ifdef")
ei = substr(ei, 9)
evaluated = sprintf("%s /* %s */",
$0 ~ " " ? substr($0, 1, index($0, " ")) : $0,
ei);
if (match(evaluated, "([^/ ]*) */\\* defined\\(([^()]*)\\) \\*/",
arg))
{
evaluated = sprintf("%s /* %s */", arg[1], arg[2])
}
}
} else {
evaluated = $0
}
if (debug)
printf "/* debug specialize-patch: (h) %s */\n", evaluated
}
line[lines++] = evaluated
lines_less_added += input_line_count - 1
}
}
else
{
@@ -396,7 +453,7 @@ BEGIN {
exit 1
}
LINUX_VERSION_CODE = version_code(kernel_version)
if (LINUX_VERSION_CODE < 2*65536 || LINUX_VERSION_CODE > 3*65536)
if (LINUX_VERSION_CODE < 2*65536 || LINUX_VERSION_CODE > 4*65536)
{
printf "Error: kernel version (%s) is out of range.\n", kernel_version
exit 1
@@ -517,3 +574,8 @@ END {
# Dump processed contents of the last read hunk.
dump_lines()
}
# Local variables:
# indent-tabs-mode: nil
# c-basic-offset: 2
# End: