From fd83badabb576ef0d2153334e0f1ab99500b6548 Mon Sep 17 00:00:00 2001 From: Michal Ludvig Date: Thu, 7 Aug 2003 11:26:42 +0000 Subject: [PATCH] 2003-08-07 Michal Ludvig * x86-64-tdep.c (x86_64_push_arguments): Skip the red zone. --- gdb/ChangeLog | 2 ++ gdb/x86-64-tdep.c | 8 ++++++++ 2 files changed, 10 insertions(+) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 71d5b5c4561..146ae070de1 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,7 @@ 2003-08-07 Michal Ludvig + * x86-64-tdep.c (x86_64_dwarf_regmap): Correct register numbers. + (x86_64_push_arguments): Skip the red zone. 2003-08-05 Andrew Cagney diff --git a/gdb/x86-64-tdep.c b/gdb/x86-64-tdep.c index 2e682dc808a..29dca25c0db 100644 --- a/gdb/x86-64-tdep.c +++ b/gdb/x86-64-tdep.c @@ -613,6 +613,14 @@ x86_64_push_arguments (struct regcache *regcache, int nargs, int stack_values_count = 0; int *stack_values; stack_values = alloca (nargs * sizeof (int)); + + /* Before storing anything to the stack we must skip + the "Red zone" (see the "Function calling sequence" section + of AMD64 ABI). + It could have already been skipped in the function's + prologue, but we don't care and will easily skip it once again. */ + sp -= 128; + for (i = 0; i < nargs; i++) { enum x86_64_reg_class class[MAX_CLASSES]; -- 2.30.2