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Ayke van Laethem
194396d715
Print a message for SIGBUS, SIGSEGV, and SIGILL when they happen. These signals are always fatal, but it's very useful to know which of them happened. Also, it prints the location in the binary which can then be parsed by `tinygo run` (see https://github.com/tinygo-org/tinygo/pull/4383). While this does add some extra binary size, it's for Linux and MacOS (systems that typically have plenty of RAM/storage) and could be very useful when debugging some low-level crash such as a runtime bug.
27 lines
518 B
Go
27 lines
518 B
Go
package runtime
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const GOARCH = "mips"
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// The bitness of the CPU (e.g. 8, 32, 64).
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const TargetBits = 32
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const deferExtraRegs = 0
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const callInstSize = 8 // "jal someFunc" is 4 bytes, plus a MIPS delay slot
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const (
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linux_MAP_ANONYMOUS = 0x800
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linux_SIGBUS = 10
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linux_SIGILL = 4
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linux_SIGSEGV = 11
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)
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// It appears that MIPS has a maximum alignment of 8 bytes.
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func align(ptr uintptr) uintptr {
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return (ptr + 7) &^ 7
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}
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func getCurrentStackPointer() uintptr {
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return uintptr(stacksave())
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}
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