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sys/tools/makesyscalls.lua

Show First 20 Lines • Show All 642 Lines • ▼ Show 20 Lines]], funcname, sysnum))
case %d: case %d:
]], funcname, sysnum)) ]], funcname, sysnum))
write_line("systraceret", string.format([[ write_line("systraceret", string.format([[
/* %s */ /* %s */
case %d: case %d:
]], funcname, sysnum)) ]], funcname, sysnum))
if #funcargs > 0 then if #funcargs > 0 then
write_line("systracetmp", "\t\tswitch(ndx) {\n") write_line("systracetmp", "\t\tswitch (ndx) {\n")
write_line("systrace", string.format( write_line("systrace", string.format(
"\t\tstruct %s *p = params;\n", argalias)) "\t\tstruct %s *p = params;\n", argalias))
local argtype, argname local argtype, argname
for idx, arg in ipairs(funcargs) do for idx, arg in ipairs(funcargs) do
argtype = arg["type"] argtype = arg["type"]
argname = arg["name"] argname = arg["name"]
argtype = trim(argtype:gsub("__restrict$", ""), nil) argtype = trim(argtype:gsub("__restrict$", ""), nil)
-- Pointer arg? -- Pointer arg?
if argtype:find("*") then if argtype:find("*") then
write_line("systracetmp", string.format( write_line("systracetmp", string.format(
"\t\tcase %d:\n\t\t\tp = \"userland %s\";\n\t\t\tbreak;\n", "\t\tcase %d:\n\t\t\tp = \"userland %s\";\n\t\t\tbreak;\n",
idx - 1, argtype)) idx - 1, argtype))
else else
write_line("systracetmp", string.format( write_line("systracetmp", string.format(
"\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", "\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n",
idx - 1, argtype)) idx - 1, argtype))
end end
if isptrtype(argtype) then if isptrtype(argtype) then
write_line("systrace", string.format( write_line("systrace", string.format(
"\t\tuarg[%d] = (%s) p->%s; /* %s */\n", "\t\tuarg[%d] = (%s)p->%s; /* %s */\n",
idx - 1, config["ptr_intptr_t_cast"], idx - 1, config["ptr_intptr_t_cast"],
argname, argtype)) argname, argtype))
elseif argtype == "union l_semun" then elseif argtype == "union l_semun" then
write_line("systrace", string.format( write_line("systrace", string.format(
"\t\tuarg[%d] = p->%s.buf; /* %s */\n", "\t\tuarg[%d] = p->%s.buf; /* %s */\n",
idx - 1, argname, argtype)) idx - 1, argname, argtype))
elseif argtype:sub(1,1) == "u" or argtype == "size_t" then elseif argtype:sub(1,1) == "u" or argtype == "size_t" then
write_line("systrace", string.format( write_line("systrace", string.format(
▲ Show 20 Lines • Show All 597 Lines • ▼ Show 20 Lines
* DO NOT EDIT-- this file is automatically %s. * DO NOT EDIT-- this file is automatically %s.
* $%s$ * $%s$
* This file is part of the DTrace syscall provider. * This file is part of the DTrace syscall provider.
*/ */
static void static void
systrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args) systrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)
{ {
int64_t *iarg = (int64_t *) uarg; int64_t *iarg = (int64_t *)uarg;
switch (sysnum) { switch (sysnum) {
]], generated_tag, config['os_id_keyword'])) ]], generated_tag, config['os_id_keyword']))
write_line("systracetmp", [[static void write_line("systracetmp", [[static void
systrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz) systrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
{ {
const char *p = NULL; const char *p = NULL;
switch (sysnum) { switch (sysnum) {
]]) ]])
write_line("systraceret", [[static void write_line("systraceret", [[static void
systrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz) systrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
{ {
const char *p = NULL; const char *p = NULL;
switch (sysnum) { switch (sysnum) {
]]) ]])
-- Processing the sysfile will parse out the preprocessor bits and put them into -- Processing the sysfile will parse out the preprocessor bits and put them into
-- the appropriate place. Any syscall-looking lines get thrown into the sysfile -- the appropriate place. Any syscall-looking lines get thrown into the sysfile
-- buffer, one per line, for later processing once they're all glued together. -- buffer, one per line, for later processing once they're all glued together.
process_sysfile(sysfile) process_sysfile(sysfile)
write_line("sysinc", write_line("sysinc",
"\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n") "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n")
kevansUnsubmitted
Not Done
Inline Actions

Tab after #define

kevans: Tab after `#define`
emasteAuthorUnsubmitted
Done
Inline Actions

Despite style(9) it seems #define<space> is a lot more common in sys/, and clang-format does the same so I plan to leave these two unchanged for now.

emaste: Despite style(9) it seems `#define<space>` is a lot more common in sys/, and clang-format does…
for _, v in pairs(compat_options) do for _, v in pairs(compat_options) do
if v["count"] > 0 then if v["count"] > 0 then
write_line("sysinc", string.format([[ write_line("sysinc", string.format([[
#ifdef %s #ifdef %s
#define %s(n, name) .sy_narg = n, .sy_call = (sy_call_t *)__CONCAT(%s,name) #define %s(n, name) .sy_narg = n, .sy_call = (sy_call_t *)__CONCAT(%s,name)
kevansUnsubmitted
Not Done
Inline Actions

Ditto, and for the #else #define

kevans: Ditto, and for the `#else #define`
#else #else
#define %s(n, name) .sy_narg = 0, .sy_call = (sy_call_t *)nosys #define %s(n, name) .sy_narg = 0, .sy_call = (sy_call_t *)nosys
#endif #endif
]], v["definition"], v["flag"]:lower(), v["prefix"], v["flag"]:lower())) ]], v["definition"], v["flag"]:lower(), v["prefix"], v["flag"]:lower()))
end end
write_line(v["dcltmp"], string.format("\n#endif /* %s */\n\n", write_line(v["dcltmp"], string.format("\n#endif /* %s */\n\n",
v["definition"])) v["definition"]))
▲ Show 20 Lines • Show All 72 Lines • Show Last 20 Lines