4c81eacefe
will make the disassembler run multiple preparation passes to find all addresses where labels must be placed. Without -m some label addresses are found in the final pass, where the disassembler cannot make use of them.
111 lines
4.6 KiB
C
111 lines
4.6 KiB
C
/*****************************************************************************/
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/* */
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/* labels.h */
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/* */
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/* Label management for da65 */
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/* */
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/* */
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/* */
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/* (C) 2006 Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef LABELS_H
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#define LABELS_H
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#include <stdint.h>
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/* da65 */
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#include "attrtab.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void AddIntLabel (uint32_t Addr);
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/* Add an internal label using the address to generate the name. */
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void AddExtLabel (uint32_t Addr, const char* Name);
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/* Add an external label */
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void AddUnnamedLabel (uint32_t Addr);
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/* Add an unnamed label */
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void AddDepLabel (uint32_t Addr, attr_t Attr, const char* BaseName, unsigned Offs);
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/* Add a dependent label at the given address using "base name+Offs" as the new
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** name.
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*/
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void AddIntLabelRange (uint32_t Addr, const char* Name, unsigned Count);
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/* Add an internal label for a range. The first entry gets the label "Name"
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** while the others get "Name+offs".
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*/
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void AddExtLabelRange (uint32_t Addr, const char* Name, unsigned Count);
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/* Add an external label for a range. The first entry gets the label "Name"
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** while the others get "Name+offs".
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*/
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int HaveLabel (uint32_t Addr);
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/* Check if there is a label for the given address */
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int MustDefLabel (uint32_t Addr);
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/* Return true if we must define a label for this address, that is, if there
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** is a label at this address, and it is an external or internal label.
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*/
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const char* GetLabelName (uint32_t Addr);
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/* Return the label name for an address */
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const char* GetLabel (uint32_t Addr, uint32_t RefFrom);
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/* Return the label name for an address, as it is used in a label reference.
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** RefFrom is the address the label is referenced from. This is needed in case
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** of unnamed labels, to determine the name.
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*/
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void ForwardLabel (unsigned Offs);
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/* If necessary, output a forward label, one that is within the next few
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** bytes and is therefore output as "label = * + x".
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*/
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void DefOutOfRangeLabels (void);
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/* Output any labels that are out of the loaded code range */
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unsigned long GetLabelCount (void);
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/* Return the total number of labels defined so far */
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/* End of labels.h */
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#endif
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