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Add comments in ravenscar_sparc_fetch_registers.
gdb/ChangeLog: * ravenscar-sparc-thread.c (ravenscar_sparc_fetch_registers): Add comments.
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@ -1,3 +1,8 @@
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2012-10-24 Tristan Gingold <gingold@adacore.com>
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* ravenscar-sparc-thread.c (ravenscar_sparc_fetch_registers):
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Add comments.
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2012-10-24 Joel Brobecker <brobecker@adacore.com>
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* ravenscar-thread.c (ravenscar_wait): Only update the list
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@ -112,12 +112,16 @@ ravenscar_sparc_fetch_registers (struct regcache *regcache, int regnum)
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CORE_ADDR thread_descriptor_address;
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ULONGEST stack_address;
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/* The tid is the thread_id field, which is a pointer to the thread. */
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thread_descriptor_address = (CORE_ADDR) ptid_get_tid (inferior_ptid);
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/* Read the saved SP in the context buffer. */
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current_address = thread_descriptor_address
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+ sparc_register_offsets [sp_regnum];
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supply_register_at_address (regcache, sp_regnum, current_address);
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regcache_cooked_read_unsigned (regcache, sp_regnum, &stack_address);
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/* Read registers. */
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for (current_regnum = 0; current_regnum < num_regs; current_regnum ++)
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{
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if (register_in_thread_descriptor_p (current_regnum))
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