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Fix JIT clang-lli regression (unable to read JIT descriptor from memory)

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2011-07-06  Paul Pluzhnikov  <ppluzhnikov@google.com>

        * jit.c (jit_inferior_init): Forward declare.
        (jit_breakpoint_re_set_internal): Call jit_inferior_init.

testsuite/ChangeLog:

2011-07-06  Paul Pluzhnikov  <ppluzhnikov@google.com>

        * gdb.base/jit-so.exp: New test.
        * gdb.base/jit-dlmain.c: New file.
        * gdb.base/jit-main.c: Allow "main" to be elsewhere.
This commit is contained in:
Joel Brobecker
2011-07-06 21:40:17 +00:00
parent 8f7c81e876
commit 3b2a0cf216
6 changed files with 165 additions and 1 deletions
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8
gdb/jit.c
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@@ -40,6 +40,9 @@ static const char *const jit_descriptor_name = "__jit_debug_descriptor";
static const struct inferior_data *jit_inferior_data = NULL;
static void
jit_inferior_init (struct gdbarch *gdbarch);
/* Non-zero if we want to see trace of jit level stuff. */
static int jit_debug = 0;
@@ -351,6 +354,11 @@ jit_breakpoint_re_set_internal (struct gdbarch *gdbarch,
inf_data->breakpoint_addr = SYMBOL_VALUE_ADDRESS (reg_symbol);
if (inf_data->breakpoint_addr == 0)
return 2;
/* If we have not read the jit descriptor yet (e.g. because the JITer
itself is in a shared library which just got loaded), do so now. */
if (inf_data->descriptor_addr == 0)
jit_inferior_init (gdbarch);
}
else
return 0;