116 lines
2.2 KiB
Diff
116 lines
2.2 KiB
Diff
diff --git a/lib9/Makefile b/lib9/Makefile
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index b83ab2b..2836b38 100644
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--- a/lib9/Makefile
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+++ b/lib9/Makefile
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@@ -145,7 +145,7 @@ LIB9OFILES=\
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exitcode.o\
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fcallfmt.o\
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get9root.o\
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- getcallerpc-$(OBJTYPE).o\
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+ getcallerpc.o\
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getenv.o\
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getfields.o\
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getnetconn.o\
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diff --git a/lib9/getcallerpc-386.c b/lib9/getcallerpc-386.c
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deleted file mode 100644
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index 1367370..0000000
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--- a/lib9/getcallerpc-386.c
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+++ /dev/null
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@@ -1,7 +0,0 @@
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-#include <lib9.h>
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-
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-ulong
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-getcallerpc(void *x)
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-{
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- return (((ulong*)(x))[-1]);
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-}
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diff --git a/lib9/getcallerpc-PowerMacintosh.c b/lib9/getcallerpc-PowerMacintosh.c
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deleted file mode 100644
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index 679a72c..0000000
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--- a/lib9/getcallerpc-PowerMacintosh.c
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+++ /dev/null
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@@ -1,7 +0,0 @@
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-#include <lib9.h>
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-
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-ulong
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-getcallerpc(void *x)
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-{
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- return (((ulong*)(x))[-4]);
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-}
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diff --git a/lib9/getcallerpc-arm.c b/lib9/getcallerpc-arm.c
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deleted file mode 100644
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index 9bb4a95..0000000
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--- a/lib9/getcallerpc-arm.c
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+++ /dev/null
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@@ -1,8 +0,0 @@
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-#include <lib9.h>
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-
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-ulong
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-getcallerpc(void *x)
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-{
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- return ((ulong*)x)[-2];
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-}
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-
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diff --git a/lib9/getcallerpc-power.c b/lib9/getcallerpc-power.c
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deleted file mode 100644
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index b4bf698..0000000
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--- a/lib9/getcallerpc-power.c
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+++ /dev/null
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@@ -1,11 +0,0 @@
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-#include <lib9.h>
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-
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-ulong
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-getcallerpc(void *x)
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-{
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- ulong *lp;
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-
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- lp = x;
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-
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- return lp[-1];
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-}
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diff --git a/lib9/getcallerpc-ppc.c b/lib9/getcallerpc-ppc.c
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deleted file mode 100644
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index 679a72c..0000000
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--- a/lib9/getcallerpc-ppc.c
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+++ /dev/null
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@@ -1,7 +0,0 @@
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-#include <lib9.h>
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-
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-ulong
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-getcallerpc(void *x)
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-{
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- return (((ulong*)(x))[-4]);
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-}
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diff --git a/lib9/getcallerpc-x86_64.c b/lib9/getcallerpc-x86_64.c
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deleted file mode 100644
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index 1367370..0000000
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--- a/lib9/getcallerpc-x86_64.c
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+++ /dev/null
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@@ -1,7 +0,0 @@
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-#include <lib9.h>
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-
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-ulong
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-getcallerpc(void *x)
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-{
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- return (((ulong*)(x))[-1]);
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-}
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diff --git a/lib9/getcallerpc.c b/lib9/getcallerpc.c
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new file mode 100644
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index 0000000..7d2cdd7
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--- /dev/null
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+++ b/lib9/getcallerpc.c
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@@ -0,0 +1,12 @@
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+#include <lib9.h>
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+
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+/*
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+ * On gcc and clang, getcallerpc is a macro invoking a compiler builtin.
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+ * If the macro in libc.h did not trigger, there's no implementation.
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+ */
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+#undef getcallerpc
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+ulong
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+getcallerpc(void *v)
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+{
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+ return 1;
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+}
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\ No newline at end of file
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