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+<a name="H8_002f300-Function-Attributes-1"></a>
+<h4 class="subsection">6.33.11 H8/300 Function Attributes</h4>
+
+<p>These function attributes are available for H8/300 targets:
+</p>
+<dl compact="compact">
+<dd><a name="index-function_005fvector-function-attribute_002c-H8_002f300"></a>
+</dd>
+<dt><code>function_vector</code></dt>
+<dd><p>Use this attribute on the H8/300, H8/300H, and H8S to indicate 
+that the specified function should be called through the function vector.
+Calling a function through the function vector reduces code size; however,
+the function vector has a limited size (maximum 128 entries on the H8/300
+and 64 entries on the H8/300H and H8S)
+and shares space with the interrupt vector.
+</p>
+<a name="index-interrupt_005fhandler-function-attribute_002c-H8_002f300"></a>
+</dd>
+<dt><code>interrupt_handler</code></dt>
+<dd><p>Use this attribute on the H8/300, H8/300H, and H8S to
+indicate that the specified function is an interrupt handler.  The compiler
+generates function entry and exit sequences suitable for use in an
+interrupt handler when this attribute is present.
+</p>
+<a name="index-saveall-function-attribute_002c-H8_002f300"></a>
+<a name="index-save-all-registers-on-the-H8_002f300_002c-H8_002f300H_002c-and-H8S"></a>
+</dd>
+<dt><code>saveall</code></dt>
+<dd><p>Use this attribute on the H8/300, H8/300H, and H8S to indicate that
+all registers except the stack pointer should be saved in the prologue
+regardless of whether they are used or not.
+</p></dd>
+</dl>
+
+
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