Define SVR4 link map offset fetcher for Linux/ARM.
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@ -1,3 +1,11 @@
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2001-11-30 Kevin Buettner <kevinb@redhat.com>
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From Louis Hamilton <hamilton@redhat.com>:
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* arm-tdep.c (solib-svr4.h): Include.
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(arm_linux_svr4_fetch_link_map_offsets): New function.
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* config/arm/tm-linux.h (SVR4_FETCH_LINK_MAP_OFFSETS): Define.
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(arm_linux_svr4_fetch_link_map_offsets): Declare.
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2001-11-30 Daniel Jacobowitz <drow@mvista.com>
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* values.c (value_primitive_field): Add embedded_offset to the
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@ -32,6 +32,7 @@
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#include "regcache.h"
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#include "doublest.h"
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#include "value.h"
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#include "solib-svr4.h"
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/* Each OS has a different mechanism for accessing the various
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registers stored in the sigcontext structure.
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@ -2068,6 +2069,49 @@ arm_othernames (char *names, int n)
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set_disassembly_flavor ();
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}
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/* Fetch, and possibly build, an appropriate link_map_offsets structure
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for ARM linux targets using the struct offsets defined in <link.h>.
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Note, however, that link.h is not actually referred to in this file.
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Instead, the relevant structs offsets were obtained from examining
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link.h. (We can't refer to link.h from this file because the host
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system won't necessarily have it, or if it does, the structs which
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it defines will refer to the host system, not the target.) */
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struct link_map_offsets *
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arm_linux_svr4_fetch_link_map_offsets (void)
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{
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static struct link_map_offsets lmo;
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static struct link_map_offsets *lmp = 0;
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if (lmp == 0)
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{
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lmp = &lmo;
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lmo.r_debug_size = 8; /* Actual size is 20, but this is all we
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need. */
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lmo.r_map_offset = 4;
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lmo.r_map_size = 4;
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lmo.link_map_size = 20; /* Actual size is 552, but this is all we
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need. */
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lmo.l_addr_offset = 0;
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lmo.l_addr_size = 4;
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lmo.l_name_offset = 4;
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lmo.l_name_size = 4;
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lmo.l_next_offset = 12;
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lmo.l_next_size = 4;
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lmo.l_prev_offset = 16;
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lmo.l_prev_size = 4;
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}
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return lmp;
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}
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void
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_initialize_arm_tdep (void)
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{
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@ -26,6 +26,10 @@
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#include "tm-linux.h"
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/* Use target-specific function to define link map offsets. */
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extern struct link_map_offsets *arm_linux_svr4_fetch_link_map_offsets (void);
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#define SVR4_FETCH_LINK_MAP_OFFSETS() arm_linux_svr4_fetch_link_map_offsets ()
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/* Target byte order on ARM Linux is little endian and not selectable. */
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#undef TARGET_BYTE_ORDER_SELECTABLE_P
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#define TARGET_BYTE_ORDER_SELECTABLE_P 0
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