fd6942ab42
* configure.host: Add support for RX architecture.
* libc/include/machine/ieeefp.h: Likewise.
* libc/include/machine/setjmp.h: Likewise.
* libc/include/machine/configure.in: Likewise.
* libc/include/machine/configure: Regenerate.
* libc/machine/rx: New directory.
* libc/machine/rx/*: New files to support RX architecture.
libgloss:
* configure.in: Add support for RX sub-directory.
* configure: Regenerate.
* rx: New directory.
* rx/*: New files to support RX architecture.
26 lines
696 B
ArmAsm
26 lines
696 B
ArmAsm
#define PROFILE_SUPPORT 1
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#include "crt0.S"
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.global __mcount
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__mcount:
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;; When a function is compiled for profiling, gcc creates code
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;; like this at the start of each profiled function:
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;;
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;; .global <func_name>
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;; <func_name>:
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;; bsr __mcount
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;; <...function's prologue...>
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;; <...function's body...>
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;;
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;; We must save all of the argument registers, extract the
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;; address of <func_name>, call _mcount_internal to do the
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;; real work and then restore the argument registers before
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;; returning.
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pushm r1-r4
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mov.l 16[r0], r1
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bsr __mcount_internal
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rtsd #16, r1-r4
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