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exec-all: Translate TCI return addresses backwards too 

This subtraction of return addresses applies directly to TCI as well as
host-TCG. This fixes Linux boots for at least Microblaze, CRIS, ARM and
SH4 when using TCI.

[sw: Removed indentation for preprocessor statement]
[sw: The patch also fixes Linux boot for x86_64]

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
This commit is contained in:
Peter Crosthwaite 2015-08-17 20:28:18 -07:00 committed by Stefan Weil
parent 47c9dfee80
commit a17d448274
1 changed files with 1 additions and 5 deletions
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6
include/exec/exec-all.h
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@ -357,11 +357,7 @@ extern uintptr_t tci_tb_ptr;
to indicate the compressed mode; subtracting two works around that. It
is also the case that there are no host isas that contain a call insn
smaller than 4 bytes, so we don't worry about special-casing this. */
#if defined(CONFIG_TCG_INTERPRETER)
# define GETPC_ADJ 0
#else
# define GETPC_ADJ 2
#endif
#define GETPC_ADJ 2
#define GETPC() (GETRA() - GETPC_ADJ)