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errors.c
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/
errors.c
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/* $VER: vlink errors.c V0.12d (03.05.09)
*
* This file is part of vlink, a portable linker for multiple
* object formats.
* Copyright (c) 1997-2009 Frank Wille
*
* vlink is freeware and part of the portable and retargetable ANSI C
* compiler vbcc, copyright (c) 1995-2009 by Volker Barthelmann.
* vlink may be freely redistributed as long as no modifications are
* made and nothing is charged for it. Non-commercial usage is allowed
* without any restrictions.
* EVERY PRODUCT OR PROGRAM DERIVED DIRECTLY FROM MY SOURCE MAY NOT BE
* SOLD COMMERCIALLY WITHOUT PERMISSION FROM THE AUTHOR.
*/
#define ERRORS_C
#include "vlink.h"
/* error flags */
#define EF_NONE 0
#define EF_WARNING 1
#define EF_ERROR 2
#define EF_FATAL 3
static struct {
char *txt;
int flags;
} errors[] = {
/* startup, command line, !!! are referenced dynamically - don't delete! */
"",EF_NONE,
"Out of memory",EF_FATAL, /* 01 */
"Unrecognized option '%s'",EF_WARNING,
"Unknown link mode: %s",EF_WARNING,
"Unknown argument for option -d: %c",EF_WARNING,
"Option '-%c' requires an argument",EF_FATAL, /* 05 */
"No input files",EF_FATAL,
"File \"%s\" has a read error",EF_FATAL,
"Cannot open \"%s\": No such file or directory",EF_FATAL,
"Invalid target format \"%s\"",EF_FATAL,
"Directory \"%s\" could not be examined",EF_ERROR, /* 10 */
"%s: File format not recognized",EF_FATAL,
"\"%s\" is already an executable file",EF_WARNING,
"%s: File format corrupted",EF_FATAL,
"%s (%s): Illegal relocation type %d at %s+%x",EF_FATAL,
"%s: Unexpected end of section %s in %s",EF_FATAL, /* 15 */
"%s: %s appeared twice in %s",EF_FATAL,
"%s: Misplaced %s in %s",EF_FATAL,
"%s: Symbol definition %s in %s uses unsupported type %d",EF_FATAL,
"%s: Global symbol %s from %s is already defined in %s",EF_ERROR,
"%s: Unresolved reference to symbol %s in %s uses " /* 20 */
"unsupported type %d",EF_FATAL,
"%s (%s+0x%x): Reference to undefined symbol %s",EF_ERROR,
"Attributes of section %s were changed from %s in %s to %s in %s",EF_WARNING,
"%s: %s expected",EF_FATAL,
"%s (%s+0x%x): Illegal relative reference to %s+0x%llx",EF_ERROR, /* 24 */
"%s (%s+0x%x): %dbit %s reference to %s+0x%llx (value to write: 0x%llx) "
"out of range",EF_ERROR,
"%s (%s+0x%x): Referenced absolute symbol %s=0x%llx + 0x%llx " /* !!! */
"(value to write: 0x%llx) doesn't fit into %d bits",EF_ERROR,
"%s (%s+0x%x): Illegal relative reference to symbol %s",EF_ERROR,
"%s (%s+0x%x): Relative reference to relocatable symbol %s=0x%llx + 0x%llx "
"(value to write: 0x%llx) doesn't fit into %d bits",EF_ERROR, /* !!! */
"Can't create output file %s",EF_ERROR,
"%s (%s+0x%x): Absolute reference to relocatable symbol " /* 30 */
"%s=0x%llx + 0x%llx (value to write: 0x%llx) doesn't fit into %d bits",EF_ERROR,
"Error while writing to %s",EF_FATAL,
"Target %s: Unsupported relocation type %s (offset=%d, size=%d, "
"mask=%llx) at %s+0x%x",EF_ERROR,
"Target %s: Can't reproduce symbol %s, which is a %s%s%s",EF_ERROR,
"Option '%s' requires an argument",EF_FATAL,
"%s (%s+0x%x): Calculated value 0x%llx doesn't fit into relocation "
"type %s (offset=%d, size=%d, mask=0x%llx)",EF_ERROR, /* 35 */
"%s (%s+0x%x): Base relative reference to relocatable symbol " /* !!! */
"%s=0x%llx + 0x%llx (value to write: 0x%llx) doesn't fit into %d bits",EF_ERROR,
"%s: Malformatted archive member %s",EF_FATAL,
"%s: Empty archive ignored",EF_WARNING,
"%s: %s doesn't support shared objects in library archives",EF_FATAL,
"%s: %s doesn't support executables in library archives",EF_FATAL,/* 40 */
"%s (%s): Illegal format / file corrupted",EF_FATAL,
"%s: Consistency check for archive member %s failed",EF_FATAL,
"%s: Invalid ELF section header index (%d) in %s",EF_FATAL,
"%s: ELF section header #%d has illegal offset in %s",EF_FATAL,
"%s: ELF section header string table has illegal type in %s", /* 45 */
EF_ERROR,
"%s: ELF section header string table has illegal offset in %s",EF_ERROR,
"%s: ELF program header table in %s was ignored",EF_WARNING,
"%s: ELF section header type %d in %s is not needed in "
"relocatable objects",EF_WARNING,
"%s: Illegal section offset for %s in %s",EF_FATAL,
"%s: ELF %s table has illegal type in %s",EF_FATAL, /* 50 */
"%s: ELF %s table has illegal offset in %s",EF_FATAL,
"%s: %s in %s defines relocations relative to a non-existing "
"section with index=%d",EF_FATAL,
"%s: Symbol %s, defined in %s, has an invalid reference to "
"a non-existing section with index=%d",EF_FATAL,
"%s: Illegal symbol type %d for %s in %s",EF_ERROR,
"%s: Symbol %s has illegal binding type %d in %s",EF_ERROR, /* 55 */
"%s: Symbol %s in %s is multiply defined",EF_ERROR,
"%s: Merging a code section with name \"__MERGED\"",EF_WARNING,
"Relative references between %s section \"%s\" and %s section "
"\"%s\" (%s) force a combination of the two",EF_WARNING,
"Can't define %s as ctors/dtors label. Symbol already exists.",EF_ERROR,
"%s: ELF section header type %d in %s is not needed in " /* 60 */
"shared objects",EF_WARNING,
"%s: Endianess differs from previous objects",EF_FATAL,
"Target file format doesn't support relocatable objects",EF_ERROR,
"Predefined limits of destination memory region %s "
"for section %s were exceeded (0x%llx)",EF_FATAL,
"Section %s(%s) was not recognized by target linker script",EF_WARNING,
"%s line %d: Unknown keyword <%s> ignored",EF_ERROR, /* 65 */
"%s line %d: '%c' expected",EF_ERROR,
"%s line %d: Absolute number expected",EF_ERROR,
"%s line %d: Keyword <%s> expected",EF_ERROR,
"%s line %d: GNU command <%s> ignored",EF_WARNING,
"%s line %d: Unknown memory region <%s>",EF_ERROR, /* 70 */
"%s line %d: Multiple constructor types in output file",EF_ERROR,
"UNUSED %s line %d: Syntax error",EF_ERROR,
"%s line %d: Assertion failed: %s",EF_FATAL,
"%s line %d: SECTIONS block defined twice",EF_ERROR,
"%s line %d: Segment %s is closed and can't be reused",EF_ERROR, /* 75 */
"%s line %d: Address overrides specified %cMA memory region",EF_WARNING,
"%s line %d: Segment %s must include both, FILEHDR and PHDR",EF_ERROR,
"%s line %d: Missing argument",EF_ERROR,
"%s line %d: Undefined section: <%s>",EF_ERROR,
"%s line %d: Section %s was assigned to more than one PT_LOAD " /* 80 */
"segment",EF_ERROR,
"UNUSED First ELF segment (%s) doesn't contain first section (%s)",EF_FATAL,
"Intermediate uninitialized sections in ELF segment <%s> (first=<%s>, "
"last=<%s>) will be turned into initialized",EF_WARNING,
"Section <%s> (0x%llx-0x%llx) conflicts with ELF segment <%s> "
"(currently: 0x%llx-0x%llx)",EF_ERROR,
"%s: QMAGIC is deprecated and will no longer be supported",EF_ERROR,
"%s: a.out %s table has illegal offset or size in %s",EF_FATAL, /* 85 */
"%s: a.out %s table size in <%s> is not a multiple of %d",EF_ERROR,
"%s: a.out symbol name has illegal offset %ld in %s",EF_FATAL,
"%s: a.out symbol %s has illegal binding type %d in %s",EF_ERROR,
"%s: a.out relocations without an appropriate section in %s",EF_FATAL,
"%s: illegal a.out relocation in section %s of %s at offset " /* 90 */
"0x%08lx: <pcrel=%d len=%d ext=%d brel=%d jmptab=%d rel=%d copy=%d>",EF_ERROR,
"%s: illegal a.out external reference to symbol %s in %s, which is no "
"external symbol",EF_ERROR,
"%s: illegal nlist type %lu in a.out relocation in section %s of %s "
"at offset 0x%08lx",EF_ERROR,
"Target %s: Common symbol %s is unreferenced and will disappear",EF_WARNING,
"Target file format doesn't support executable files",EF_ERROR,
"%s: a.out relocation <pcrel=%d len=%d ext=%d brel=%d jmptab=%d " /* 95 */
"rel=%d copy=%d> is treated as a normal relocation in "
"section %s of %s at offset 0x%08lx",EF_WARNING,
"%s: size %d for a.out symbol %s in %s was ignored",EF_WARNING,
"Target %s: %s section must not be absent for a valid executable file",
EF_FATAL,
"Target %s: Section %s is overlapping %s",EF_FATAL,
"%s line %d: Illegal PHDR type: <%s>",EF_ERROR,
"%s line %d: <%s> behind SECTIONS ignored",EF_ERROR, /* 100 */
"%s line %d: Address symbol '.' invalid outside SECTIONS block",EF_ERROR,
"%s line %d: Reference to non-absolute symbol <%s> outside SECTIONS",
EF_ERROR,
"%s line %d: Division by zero",EF_ERROR,
"%s line %d: Unknown symbol or function: <%s>",EF_ERROR,
"%s line %d: No function-calls allowed here",EF_ERROR, /* 105 */
"%s line %d: Symbol <%s> is not yet assigned",EF_ERROR,
"%s line %d: Command <%s> not allowed outside SECTIONS block",EF_ERROR,
"%s line %d: Address symbol '.' cannot be provided",EF_ERROR,
"%s line %d: Symbol <%s> already defined",EF_ERROR,
"%s line %d: Only absolute expressions may be assigned outside " /* 110 */
"SECTIONS block",EF_ERROR,
"%s line %d: Unknown PHDR: <%s>",EF_ERROR,
"%s (%s+0x%x): Cannot resolve reference to %s, because section "
"%s was not recognized by the linker script",EF_ERROR,
"%s (%s): %d bits per byte are not supported",EF_FATAL,
"%s (%s): %d bytes per target-address are not supported",EF_FATAL,
"%s (%s): Relocation type %d (offset=%lld, bit-offset=%d " /* 115 */
"bit-size=%d mask=0x%llx refering to symbol <%s> (type %d) is "
"not supported",EF_ERROR,
"%s (%s): Symbol type %d for <%s> in section %s is not suported",EF_FATAL,
"%s (%s+0x%x): Cannot resolve %s reference to %s, because host "
"section %s is invalid",EF_ERROR,
"%s: Malformatted ELF %s section in %s",EF_FATAL,
"%s: Ignoring junk at end of ELF %s section in %s",EF_WARNING,
"%s (%s+0x%x): Relocation based on missing %s section",EF_ERROR, /* 120 */
"%s (%s+0x%x): Base-relative reference to code section",EF_WARNING,
"Relocation table format not supported by selected output format - "
"reverting to %s's standard",EF_WARNING,
"Unknown relocation table format '%s' ignored",EF_WARNING,
"Target %s: multiple small-data sections not allowed",EF_ERROR,
".ctors/.dtors spread over multiple sections",EF_ERROR, /* 125 */
"Dynamic symbol reference not supported by target %s",EF_ERROR,
"%s: ELF symbol name has illegal offset 0x%lx in %s",EF_FATAL,
"%s: Unkown endianess defaults to %s-endian. "
"Consider using -EB/-EL",EF_WARNING,
};
void ierror(char *errtxt,...)
/* display internal error and quit */
{
struct GlobalVars *gv = &gvars;
va_list vl;
fprintf(stderr,"\nINTERNAL ERROR: ");
va_start(vl,errtxt);
vfprintf(stderr,errtxt,vl);
va_end(vl);
fprintf(stderr,".\nAborting.\n");
gv->returncode = EXIT_FAILURE;
cleanup(gv);
}
void error(int errn,...)
/* prints errors and warnings */
{
struct GlobalVars *gv = &gvars;
va_list vl;
char *errtype;
int flags = errors[errn].flags;
if ((flags == EF_WARNING) && gv->dontwarn)
return;
switch(flags) {
case EF_WARNING:
errtype = "Warning";
break;
case EF_ERROR:
gv->returncode = EXIT_FAILURE;
errtype = "Error";
break;
case EF_FATAL:
gv->returncode = EXIT_FAILURE;
errtype = "Fatal error";
break;
default:
ierror("Illegal error type %d",flags);
gv->returncode = EXIT_FAILURE;
errtype = "";
break;
}
/* print error message */
fprintf(stderr,"%s %d: ",errtype,errn);
va_start(vl,errn);
vfprintf(stderr,errors[errn].txt,vl);
va_end(vl);
fprintf(stderr,".\n");
switch(flags) {
case EF_ERROR:
/* check if maximum number of errors reached */
if (++gv->errcnt >= gv->maxerrors) {
gv->errcnt = 0;
fprintf(stdout,"Do you want to continue (y/n) ? ");
fflush(stdin);
if (toupper((unsigned char)getchar()) == 'N')
cleanup(gv);
}
/* avoid writing of output file in error case */
gv->errflag = TRUE;
break;
case EF_FATAL:
fprintf(stderr,"Aborting.\n"); /* fatal error aborts the linker */
cleanup(gv);
break;
}
}