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* grub-core/gdb/i386/machdep.S: Use VARIABLE and EXT_C instead of

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hardcoding the relevant info.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-02-29 14:44:52 +01:00
parent 56733740ed
commit 70115b995d
2 changed files with 17 additions and 15 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-02-29 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/gdb/i386/machdep.S: Use VARIABLE and EXT_C instead of
hardcoding the relevant info.
2012-02-29 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/gnulib/argp-fmtstream.c (__argp_get_display_len): Add

27
grub-core/gdb/i386/machdep.S
View file

@ -18,6 +18,7 @@
*/
#include <grub/cpu/gdb.h>
#include <grub/symbol.h>
#define EC_PRESENT 1
#define EC_ABSENT 0
@ -30,13 +31,9 @@
#define VECTOR 1
.globl grub_gdb_trap
.globl grub_gdb_regs
.bss
.globl grub_gdb_stack
.space GRUB_GDB_STACKSIZE
grub_gdb_stack:
VARIABLE(grub_gdb_stack)
/*
* Supplemental macros for register saving/restoration
@ -44,22 +41,22 @@ grub_gdb_stack:
*/
.macro save32 reg ndx
movl \reg, grub_gdb_regs+(\ndx * 4)
movl \reg, EXT_C(grub_gdb_regs)+(\ndx * 4)
.endm
.macro save16 reg ndx
mov $0, %eax
movw \reg, grub_gdb_regs+(\ndx * 4)
movw %ax, grub_gdb_regs+(\ndx * 4 + 2)
movl grub_gdb_regs+(EAX * 4), %eax
movw \reg, EXT_C(grub_gdb_regs)+(\ndx * 4)
movw %ax, EXT_C(grub_gdb_regs)+(\ndx * 4 + 2)
movl EXT_C(grub_gdb_regs)+(EAX * 4), %eax
.endm
.macro load32 ndx reg
movl grub_gdb_regs+(\ndx * 4), \reg
movl EXT_C(grub_gdb_regs)+(\ndx * 4), \reg
.endm
.macro load16 ndx reg
movw grub_gdb_regs+(\ndx * 4), \reg
movw EXT_C(grub_gdb_regs)+(\ndx * 4), \reg
.endm
.macro save_context
@ -131,9 +128,9 @@ grub_gdb_stack:
.endif
save_context
mov $grub_gdb_stack, %esp
mov $EXT_C(grub_gdb_stack), %esp
mov $\beg, %eax /* trap number */
call grub_gdb_trap
call EXT_C(grub_gdb_trap)
load_context
iret
@ -159,8 +156,8 @@ grub_gdb_stack:
*/
.data VECTOR
.globl grub_gdb_trapvec
grub_gdb_trapvec:
VARIABLE(grub_gdb_trapvec)
ent EC_ABSENT 0 7
ent EC_PRESENT 8
ent EC_ABSENT 9