Call frame information directives for stack usage analysis

In this section:

CFI FUNCALL { caller } callee

CFI INDIRECTCALL { caller }

CFI NOCALLS { caller }

CFI TAILCALL { callee }

`callee`	The label of the called function.
`caller`	The label of the calling function.

These directives allow call frame information to be defined in the assembler source code:

Directive	Description
`CFI FUNCALL`	Declares function calls for stack usage analysis.
`CFI INDIRECTCALL`	Declares indirect calls for stack usage analysis.
`CFI NOCALLS`	Declares absence of calls for stack usage analysis.
`CFI TAILCALL`	Declares tail calls for stack usage analysis.

Table 140. Call frame information directives for stack usage analysis

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