ARC-Modifiers.html 4.6 KB

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  64. <h4 class="subsection">9.3.4 ARC Assembler Modifiers</h4>
  65. <p>The following additional assembler modifiers have been added for
  66. position-independent code. These modifiers are available only with
  67. the ARC 700 and above processors and generate relocation entries,
  68. which are interpreted by the linker as follows:
  69. </p>
  70. <dl compact="compact">
  71. <dt><code>@pcl(<var>symbol</var>)</code></dt>
  72. <dd><a name="index-_0040pcl_0028symbol_0029_002c-ARC-modifier"></a>
  73. <p>Relative distance of <var>symbol</var>&rsquo;s from the current program counter
  74. location.
  75. </p>
  76. </dd>
  77. <dt><code>@gotpc(<var>symbol</var>)</code></dt>
  78. <dd><a name="index-_0040gotpc_0028symbol_0029_002c-ARC-modifier"></a>
  79. <p>Relative distance of <var>symbol</var>&rsquo;s Global Offset Table entry from the
  80. current program counter location.
  81. </p>
  82. </dd>
  83. <dt><code>@gotoff(<var>symbol</var>)</code></dt>
  84. <dd><a name="index-_0040gotoff_0028symbol_0029_002c-ARC-modifier"></a>
  85. <p>Distance of <var>symbol</var> from the base of the Global Offset Table.
  86. </p>
  87. </dd>
  88. <dt><code>@plt(<var>symbol</var>)</code></dt>
  89. <dd><a name="index-_0040plt_0028symbol_0029_002c-ARC-modifier"></a>
  90. <p>Distance of <var>symbol</var>&rsquo;s Procedure Linkage Table entry from the
  91. current program counter. This is valid only with branch and link
  92. instructions and PC-relative calls.
  93. </p>
  94. </dd>
  95. <dt><code>@sda(<var>symbol</var>)</code></dt>
  96. <dd><a name="index-_0040sda_0028symbol_0029_002c-ARC-modifier"></a>
  97. <p>Relative distance of <var>symbol</var> from the base of the Small Data
  98. Pointer.
  99. </p>
  100. </dd>
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