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Fix nxstyle to mksyscall.c

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This commit is contained in:
Nakamura, Yuuichi
2020-02-13 16:23:02 +09:00
committed by Xiang Xiao
parent bdf871a214
commit d9472bb625
1 changed files with 89 additions and 63 deletions
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tools/mksyscall.c
+40 -14
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@@ -67,7 +67,8 @@ static bool is_vararg(const char *type, int ndx, int nparms)
{
if (ndx != (nparms - 1))
{
fprintf(stderr, "%d: ... is not the last in the argument list\n", g_lineno);
fprintf(stderr, "%d: ... is not the last in the argument list\n",
g_lineno);
exit(11);
}
else if (nparms < 2)
@@ -114,7 +115,9 @@ static void print_formalparm(FILE *stream, const char *argtype, int parmno)
const char *part2;
int len;
/* Function pointers and array formal parameter types are a little more work */
/* Function pointers and array formal parameter types are a little more
* work
*/
if ((part2 = check_funcptr(argtype)) != NULL ||
(part2 = check_array(argtype)) != NULL)
@@ -139,6 +142,7 @@ static void get_formalparmtype(const char *arg, char *formal)
{
*formal++ = *arg++;
}
*formal = '\0';
}
@@ -168,6 +172,7 @@ static void get_actualparmtype(const char *arg, char *actual)
{
*actual++ = *pstart++;
}
*actual = '\0';
}
@@ -184,7 +189,9 @@ static void get_fieldname(const char *arg, char *fieldname)
pstart = strchr(pactual, '|');
if (pstart)
{
/* The fieldname is everything past the second '|' to the end of the string */
/* The fieldname is everything past the second '|' to the end of
* the string
*/
pstart++;
strncpy(fieldname, pstart, MAX_PARMSIZE);
@@ -210,6 +217,7 @@ static FILE *open_proxy(void)
fprintf(stderr, "Failed to open %s: %s\n", filename, strerror(errno));
exit(10);
}
return stream;
}
@@ -225,7 +233,8 @@ static void generate_proxy(int nparms)
/* Generate "up-front" information, include correct header files */
fprintf(stream, "/* Auto-generated %s proxy file -- do not edit */\n\n", g_parm[NAME_INDEX]);
fprintf(stream, "/* Auto-generated %s proxy file -- do not edit */\n\n",
g_parm[NAME_INDEX]);
fprintf(stream, "#include <nuttx/config.h>\n");
/* Suppress "'noreturn' function does return" warnings. */
@@ -261,7 +270,9 @@ static void generate_proxy(int nparms)
fprintf(stream, "#if %s\n\n", g_parm[COND_INDEX]);
}
/* Generate the function definition that matches standard function prototype */
/* Generate the function definition that matches standard function
* prototype
*/
fprintf(stream, "%s %s(", g_parm[RETTYPE_INDEX], g_parm[NAME_INDEX]);
@@ -307,16 +318,19 @@ static void generate_proxy(int nparms)
if (nparms < 7)
{
fprintf(stream, " va_list ap;\n");
for (i = nparms; i < 7; i++)
{
fprintf(stream, " uintptr_t parm%d;\n", i);
}
fprintf(stream, "\n va_start(ap, parm%d);\n", nparms - 1);
for (i = nparms; i < 7; i++)
{
fprintf(stream, " parm%d = va_arg(ap, uintptr_t);\n", i);
}
fprintf(stream, " va_end(ap);\n\n");
}
}
@@ -336,7 +350,8 @@ static void generate_proxy(int nparms)
}
else
{
fprintf(stream, " return (%s)sys_call%d(", g_parm[RETTYPE_INDEX], nactual);
fprintf(stream, " return (%s)sys_call%d(", g_parm[RETTYPE_INDEX],
nactual);
}
/* Create the parameter list with the matching types. The first parameter
@@ -385,9 +400,11 @@ static FILE *open_stub(void)
g_stubstream = fopen("STUB.h", "w");
if (g_stubstream == NULL)
{
fprintf(stderr, "Failed to open STUB.h: %s\n", strerror(errno));
fprintf(stderr, "Failed to open STUB.h: %s\n",
strerror(errno));
exit(9);
}
fprintf(g_stubstream, "/* Autogenerated STUB header file */\n\n");
fprintf(g_stubstream, "#ifndef __STUB_H\n");
fprintf(g_stubstream, "#define __STUB_H\n\n");
@@ -404,11 +421,14 @@ static FILE *open_stub(void)
filename[MAX_PARMSIZE + 7] = '\0';
stream = fopen(filename, "w");
if (stream == NULL)
{
fprintf(stderr, "Failed to open %s: %s\n", filename, strerror(errno));
fprintf(stderr, "Failed to open %s: %s\n", filename,
strerror(errno));
exit(9);
}
return stream;
}
}
@@ -431,7 +451,8 @@ static void generate_stub(int nparms)
/* Generate "up-front" information, include correct header files */
fprintf(stream, "/* Auto-generated %s stub file -- do not edit */\n\n", g_parm[0]);
fprintf(stream, "/* Auto-generated %s stub file -- do not edit */\n\n",
g_parm[0]);
fprintf(stream, "#include <nuttx/config.h>\n");
fprintf(stream, "#include <stdint.h>\n");
@@ -447,7 +468,9 @@ static void generate_stub(int nparms)
fprintf(stream, "#if %s\n\n", g_parm[COND_INDEX]);
}
/* Generate the function definition that matches standard function prototype */
/* Generate the function definition that matches standard function
* prototype
*/
if (g_inline)
{
@@ -499,9 +522,10 @@ static void generate_stub(int nparms)
for (i = 0; i < nparms; i++)
{
/* Get the formal type of the parameter, and get the type that we
* actually have to cast to. For example for a formal type like 'int parm[]'
* we have to cast the actual parameter to 'int*'. The worst is a union
* type like 'union sigval' where we have to cast to (union sigval)((FAR void *)parm)
* actually have to cast to. For example for a formal type like
* 'int parm[]' we have to cast the actual parameter to 'int*'.
* The worst is a union type like 'union sigval' where we have to
* cast to (union sigval)((FAR void *)parm)
* -- Yech.
*/
@@ -529,7 +553,8 @@ static void generate_stub(int nparms)
{
if (is_union(formal))
{
fprintf(stream, ", (%s)((%s)parm%d)", formal, actual, i+1);
fprintf(stream, ", (%s)((%s)parm%d)", formal, actual,
i + 1);
}
else
{
@@ -567,6 +592,7 @@ static void generate_stub(int nparms)
{
fprintf(stream, "#endif /* %s */\n", g_parm[COND_INDEX]);
}
stub_close(stream);
}