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Fix the handling of pass1 warnings, display control option for warnings

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Fix pass1 warnings so they actually display.

When issuing suppressible warnings, display the option that controls
them, as gcc has been doing for a while.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
H. Peter Anvin 2016-05-09 12:00:19 -07:00
parent 3d72e45a13
commit 934f0478d4
1 changed files with 15 additions and 7 deletions
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22
nasm.c
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@ -1953,15 +1953,19 @@ static bool is_suppressed_warning(int severity)
static bool skip_this_pass(int severity)
{
/* See if it's a pass-one only warning and we're not in pass one. */
/* See if it's a pass-specific warning which should be skipped. */
if ((severity & ERR_MASK) > ERR_WARNING)
return false;
if (((severity & ERR_PASS1) && pass0 != 1) ||
((severity & ERR_PASS2) && pass0 != 2))
return true;
return false;
/*
* passn is 1 on the very first pass only.
* pass0 is 2 on the code-generation (final) pass only.
* These are the passes we care about in this case.
*/
return (((severity & ERR_PASS1) && passn != 1) ||
((severity & ERR_PASS2) && pass0 != 2));
}
/**
@ -2000,14 +2004,18 @@ static void nasm_verror_common(int severity, const char *fmt, va_list args)
break;
}
vsnprintf(msg, sizeof msg, fmt, args);
vsnprintf(msg, sizeof msg - 64, fmt, args);
if (severity & ERR_WARN_MASK) {
char *p = strchr(msg, '\0');
snprintf(p, 64, " [-w+%s]", warnings[WARN_IDX(severity)].name);
}
if (!skip_this_pass(severity))
fprintf(error_file, "%s%s\n", pfx, msg);
/*
* Don't suppress this with skip_this_pass(), or we don't get
* preprocessor warnings in the list file
* pass1 or preprocessor warnings in the list file
*/
if ((severity & ERR_MASK) >= ERR_WARNING)
lfmt->error(severity, pfx, msg);